EDEXCEL GCSE ICT: PERSONAL DIGITAL DEVICES

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  • Created by: jordanb-h
  • Created on: 16-03-18 13:46
What do digital devices allow people to do?
communicate at any time and wherever they are
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What is SMS?
text message (Short Message Service)
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What is MMS?
Multimedia Messaging Service (media messages)
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state one way difference to MMS and SMS for people to communicate
social networking sites
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state one way difference to MMS and SMS for people to communicate
instant messaging
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state one way difference to MMS and SMS for people to communicate
voice calls
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state an example of a use of digital devices for leisure
displaying photos with digital photo frames
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state an example of a use of digital devices for leisure
taking photos and videos with digital cameras and camcorders
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state an example of a use of digital devices for leisure
watching high definition films on Blu-ray players
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state an example of a use of digital devices for leisure
streaming films
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state an example of a use of digital devices for leisure
downloading music
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state an example of a use of digital devices for leisure
listening to music and watching films with personal media players
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state an example of a use of digital devices for leisure
playing games with consoles or computers
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state an example of a use of digital devices for leisure
reading with ebook readers
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state an example of a use of digital devices for leisure
keeping in touch through social networking sites
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state one thing that people often use digital devices to
find the route using sat nav and Global Positioning System (GPS)
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Explain how having access to the Internet can enhance a person's work life
Being able to use specialist software, such as spreadsheet software, makes them more productive. They will be able to work with colleagues more easily. Thanks to teleconferencing and video conferencing they have to travel to fewer meetings
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Digital devices have many what?
features and functions
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When companies design a digital device what do they have to think about?
they have to think about who will be using the device (the audience) and how they will use it (the purpose)
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When choosing a digital device for a particular individual what do you need to think about?
user requirements
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state a factor to consider when choosing a digital device
Battery life
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state a factor to consider when choosing a digital device
Cost (e.g. device, internet service provider and maintenance)
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state a factor to consider when choosing a digital device
User interface
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state a factor to consider when choosing a digital device
Connectivity
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state a factor to consider when choosing a digital device
Security
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state a factor to consider when choosing a digital device
Reliability and support services offered
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state a factor to consider when choosing a digital device
Storage capacity/ memory
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state a factor to consider when choosing a digital device
Convenience (e.g. weight and size)
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state a factor to consider when choosing a digital device
Compatibility with other devices
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state a factor to consider when choosing a digital device
Speed of Internet connection and processor
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state a factor to consider when choosing a digital device
Purpose (e.g. gaming, playing music, watching HD films)
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There is a what in all digital devices, from desktop computers to mobile phones. What does it control?
Processor. The processor controls all the funtions of the device. There a specialst microprocessors for different devices
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While the microprocessor is working it needs to store the program instructions and data in its what?
internetal memory. Different devices have different amounts of internal memory is measured in bytes
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1 Kilyobyte (KB) is how many bytes?
1000 bytes
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1 Megabyte (MB) is how many kilobytes?
1000 kilobytes
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1 Gigabyte (GB) is how many megabytes?
1000 megabytes
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1 Terabyte (TB) is how many gigabytes?
1000 gigabytes
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Digital devices are what?
storage devices. In addition to their internal memory, digital devices contain components that can store data. For example, computers contain high capacity hard disk drives to store terabytes of data.
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Flash memory is what?
a type of peripheral that is ideal for portable digital devices.
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state a reason why flash memory is ideal for portable digital devices
it doesn't lose data when turned off
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state a reason why flash memory is ideal for portable digital devices
it has no moving parts so cannot be easily damaged (also known as solid state)
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state a reason why flash memory is ideal for portable digital devices
it is removable and can be used to transfer data between devices
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state a type of flash memory
Secure Digital (SD) Card - stores up to 4 gb
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state a type of flash memory
Micro SD cards- for smaller devices
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state a type of flash memory
SDXC (Extended Capacity) card- stores up to 2 TB
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state a type of flash memory
USb flash stick or memory stick- plugs into the USB port and stores up to 256gb
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What are the three types of peripherals?
storage devices, input devices and output devices
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What do storage devices and input devices allows users to do?
give instructions and input data to the device
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What do output devices allow users to do?
allow the user to see or hear information after it has been processed
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State a input device?
Touch- sensitive jog dial- used for simple actions like skipping a song
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State a input device?
Mouse- pointing and inputting device
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State a input device?
Keyboard- used to enter text
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State a input device?
Game controller- used for gaming
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State a input device?
Webcam- used to input visual data, peripheral or inbuilt
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State a input device?
Touch Screen- input device controlled by finger or stylus
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State a input device?
Microphone- used to input audio data , peripheral or inbuilt
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State a input device?
Joystick- used for gaming, used to control devices e.g. CCTV cameras, robots
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State a input device?
Graphics tablet- used to input drawings
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State a input device?
Scanner- digitises printed documents, Optical Character Recognition (OCR) can turn text into an editable format
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State a output device?
Speakers- peripheral or inbuilt device allowing you to hear audio output
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State a output device?
Docking Station- amplifies audio output of small devices, charges device
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State a output device?
Headphones- allow just one person to hear audio output
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State a output device?
Printer- allows you to produce "hard copy"
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State a output device?
Headset- combines microphone and headphones to input and output audio data
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State a output device?
Screen- inbuilt display screens (e.g. laptop screen, smartphone) or monitor
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Digital devices are able to what?
connect to each other and share data
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What is the most common method of a data cable connection is what?
a USB cable. Most mobile phones and media players can connect by USB cable to a computer running the correct software
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What is Bluetooth?
Bluetooth is a technology allowing devices to communicate with each other wirelessly. They communicate over short distances using radio waves
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Most modern devices are what?
Bluetooth enabled or a Bluetooth dongle can be attached to a computer as a peripheral
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Devices can connect to Bluetooth-enabled what?
peripherals such as printers or speakers
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What is Wi-Fi?
Wi-Fi is another method of wireless communication
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Wi-Fi enabled devices can what?
communicate over longer distances
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Most modern devices are what?
Wi-Fi enabled
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Wi-Fi allows devices to what?
connect with a computer network and the Internet
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Wi-Fi allows devices to connect to Wi-Fi enabled what?
peripherals such as printers, speakers,scanners and digital projectors
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When two devices, such as a media player and a computer, are connected they can automatically exchange data. What is this known as?
Synchronisation
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Describe Cloud Synchronisation
Now that people have more wi-fi enabled devices such as computers,laptops,tablets,smartphones and media players, cloud computing services such as Apple's icloud, allow them to store all their data files such as music and films, on a remote server.
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Describe Cloud Synchronisation (part 2)
They can then access their files from all of their digital devices. When using icloud, if you download a song to one of your devices the file is automatically downloaded to all of your devices. This saves you having to synchronise multiple devices .
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What is the most widely used personal digital device?
is the mobile phone
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Mobile phones were developed to allow people to make what?
calls when they were on the move
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Later, using the number keys, people were able to what?
send short text messages using SMS
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Modern smartphones are multifunctional devices. They have gradually taken on functions that were, or are still done by other devices. Smartphones can what?
perform the functions of personal media players, cameras, laptops, games consoles and sat navs. This is called convergence.
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state a multifunctional use of mobile phones
Camera/ video camera -take still images and capture video -make video calls
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state a multifunctional use of mobile phones
internet browsing -stream music and videos
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state a multifunctional use of mobile phones
GPS receiver -pinpoint position on a map -get local information (weather)- use as a navigational device
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state a multifunctional use of mobile phones
Entertainment -play music and video -play games
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state a multifunctional use of mobile phones
Productivity -learning, financial management, entertainment and travel apps boost productivity and save time
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state a multifunctional use of mobile phones
Data storage -store photos, music and video -removable storage (e.g. micro SD card) allows easy transfer
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Mobile phones and the data they contain must be what?
kept safe
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state one way to keep a mobile phone safe
hide the phone- over 50% of thefts occur when phones are left in plain sight in cars
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state one way to keep a mobile phone safe
Set a pin, password or biometric lock
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state one way to keep a mobile phone safe
Lock the sim card
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state one way to keep a mobile phone safe
Record the unique IMEI numkber- the mobile service provider can block the phone using this number
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state one way to keep a mobile phone safe
Restrict Bluetooth usage- Bluejacking is where people nearby send anonymous messages to users who have left bluetooth switched on
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state one way to responsibly use a mobile phone
Don't send bullying messages
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state one way to responsibly use a mobile phone
Don't overuse- you could get repetitive strain injury (RSI)
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state one way to responsibly use a mobile phone
Don't take someone's photo without their permission
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state one way to responsibly use a mobile phone
Recycle old phones
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state one way to responsibly use a mobile phone
Don't use a mobile phone while driving
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state one way to responsibly use a mobile phone
Don't walk along using a mobile phone- more likely to be in an accident
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state one way to responsibly use a mobile phone
Don't use a mobile phone in quiet places e.g. libaries
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state what Desktop computers need
input and output peripherals such as monitor, mouse and speakers
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state what Desktop computers have
hard disk drives and optical drives, such as CD and DVD drives, as storage devices
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state what Desktop computers have
Powerful processors and Good connectivity (USB, FireWire and HDMI)
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state what Desktop computers can have
Bluetooth and Wi-Fi cards fitted for wireless communication
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state what Desktop computers are
easy to upgrade and enhance by adding extra functions
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state what Laptop computers are
battery powered or can use an electrical supply
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state what Laptop computers have
monitor, pointing device and webcam built in
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state what Laptop computers have
monitor, pointing device and webcam built in
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state what Laptop computers have
hard disk drives and optical drives, such as CD and DVD drives, and slots for SD cards
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state what Laptop computers have
Bluetooth and Wi-Fi built in
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state what Laptop computers have
Good connectivity (USB, FireWire and HDMI)
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state what Laptop computers are
less easy to dismantle and upgrade
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state what is similar to a Laptop computer
netbooks are similar but are even more compact
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state what Netbook computers are
strong and robust
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state what Netbook computers are
Small and lightweight
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state why Netbook computers boot up quickly
because they have solid state SD cards as storage devices
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state what Netbook computers have built in
Wi-Fi for Internet connection
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state what Netbook computers tend not to have
hard disk or optical drives
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state what Netbook computers are designed for
using the Internet and "cloud" computing
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state what Tablet computers are
very light and portable
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state how Tablet computers are powered
battery powered
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state what Tablet computers have
Touch screen interface
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state what Tablet computers have
Virtual, on-screen keyboard
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state what Tablet computers have for wireless communication
Bluetooth, Wi-Fi and 3G for wireless communication
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state what Tablet computers have cameras for
still and moving images
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state what Tablet computers are designed for
playing media, Internet use and reading ebooks
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state what Tablet computers can do
download and run apps as on mobile phones
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What does a quick processor mean?
a quick processor means a fast computer
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What does a sound/graphics allow to you to?
allows you to see/hear graphics, videos, music and games
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What does a Wi-Fi enabled computer can form?
part of a wireless network
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What will lots of RAM let the computer support?
more applications
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What does a large storage capacity mean?
it means you can store more files
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What does many peripherals use?
a USB connection
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What does a long battery life mean for portable devices?
it means less frequent charging
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What is a very important consideration when buying new digital equipment?
whether you will be able to use it comfortably
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What is Ergonomics?
is the science of designing equipment so that it is comfortable and user-friendly
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Ergonomic design can help prevent what?
Repetitive strain injuries and other health problems
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state a cause of Eye strain
looking at a screen for too long, sunlight/ artificial light shinning on monitor
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state a possible solution to Eye strain
take regular breaks away from screen, adjust the screen, use an antiglare screen
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state a cause of Repetitive strain injury (RSI)
performing repeated actions
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state a possible solution to RSI
use wrist rests to support your hands, take breaks from repeating actions
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state a cause of Neck and back problems
sitting in the wrong position, sitting in the same position for a long time
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state a possible solution for Neck and back problems
change the height of the chair/screen, adjust the lumbar support and move the computer closer or further away
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state a cause of Pain in knees and legs
sitting in the wrong position, sitting in the same position for a long time
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state a possible solution for Pain in knees and legs
adjust the chair so that your feet are flat on the ground or use a foot rest, take regular breaks to stretch your legs
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How do you zoom in on cameras and camcorders?
zoom in using optical or digital zoom
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What can a camera or camcorder do?
take photos, record sound and HD video
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Where can you view images/videos immediately on a camera or camcorder?
LCD screen
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Where can you store files on a camera or camcorder?
SD and micro SD cards
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How can you crop images on a camera?
crop and edit files using inbuilt software
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How can you files from a camera or camcorder on tv?
using USB and HDMI ports
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How can you download files to a computer from a camera or camcorder?
using USB or Bluetooth
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What does Digital zoom mean?
doesn't really zoom- just crops and enlarges part of the image, which can affect image quality
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What does Optical zoom mean?
moving the lens away from the sensor and closer to the subject, bringing light from the subject closer
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Images are made up of what?
pixels. A pixel is a tiny point in an image. A megapixel is one million pixels
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Generally, the more pixels, the more what?
detailed the image so the more the image can be enlarged
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The more pixels in an image, the larger the what?
file size
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Some cameras have a GPS receiver so that the geographical coordinates can be stored in the what?
metadata: the small text file stored with each image giving its details. Users can use the coordinates to see on Google Maps and Google Earth exactly where the image was taken
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Many compact digital cameras now have what?
Wi-Fi connectivity in addition to cable and Bluetooth. Users can now email their images or upload them to online albums and social networking sites without the need to download the images to a computer first
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To compete with other devices,small high what?
specification camcorders are available. These are cheap, and have a better specification than smartphones and can be used to record high definition videos. Some have Wi-Fi to allow you to upload the videos directly to Internet sites
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State a key feature of a media player
Small, light and easy to carry
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State a key feature of a media player
Use solid state memory so that the songs don't "skip" when jolted
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State a key feature of a media player
Hold a lot of media (songs, podcasts, audio books and videos)
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State a key feature of a media player
Can set playlists
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State a key feature of a media player
Can lock to prevent accidental activation
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State a key feature of a media player
Simple interfaces e.g. jog wheel
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State common formats of audio
MP3 and WMA
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State common formats of still images
JPEG,GIF and PNG
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State common formats of video
MPEG-4 and WMV
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Most media files formats compress the audio or video so what?
that more can be stored on the device but this affects the quality
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State a security feature of media players
Locks automatically if it is not used for a certain period of time to prevent accidental or unauthorized use
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State a security feature of media players
Reactivates only when you enter the correct password or the correct biometric authentication e.g. a fingerprint
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State a security feature of media players
Encrypts data to prevent other people accessing it
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State a security feature of media players
Backup features allow users to back up their data to a computer
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State a security feature of media players
Hides the Bluetooth/ wireless sharing to stop users accessing files on the device
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State a security feature of media players
Remote management (deactivation) which allows you to deactivate the device remotely if it is stolen
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State a security feature of media players
Hard reset feature allows users to delete all data from the device in the event of selling/ disposing of it
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State a security feature of media players
Uses antivirus software
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Many files include DRM software to what?
prevent you making copies of audio and video files you have downloaded on to your personal media player. The DRM may also prevent transfer to other digital devices you own. It is to protect the copyright holder by preventing illegal copying
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State ways a media player can wireless transfer
Wi-Fi, Bluetooth and Infared
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On a media player what does the HDMI port allow users to do?
view HD movies on TV through HDMI cable
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On a media player what does the USB port allow users to do?
allows transfer of files at up to 5 Gigabits per second with USB 3.0 cable
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Most users download audio and video files to what?
store and play on their media players
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If the device has Wi-Fi connectivity, then the user can what?
stream media. The file is sent in compressed form over the Internet and displayed by the viewer in real time
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State an advantage of streaming videos
saves time. A user doesn't have to wait to download a file to play it, Instead, the media is sent in a continuous stream of data and is played as it arrives by the software on the media player
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State an advantage of streaming videos
Uses less storage space
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State an disadvantage of streaming videos
Cannot keep a local copy for viewing offline
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State an disadvantage of streaming videos
Limited availability for some streamed video
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State an disadvantage of streaming videos
User experience is dependent on connection quality
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What is a video game console?
a computer that enables games to be played on televisions or through digital projectors
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State a feature of games consoles
High resolution output for high definition games
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State a feature of games consoles
CD, DVD and Blu-ray optical drives
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State a feature of games consoles
Capable of multi-player online gaming
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State a feature of games consoles
Connectivity- USB, Bluetooth, Wi-fi and Ethernet network cable
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State a Peripheral for a video games console
Wireless controllers- control the games from up to 30 feet away from the console
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State a feature of games consoles
Wireless headsets- used to chat to other console users online
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State a feature of games consoles
Hard drive transfer cable- to transfer games and movies to external hard disk drives
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State a feature of games consoles
Webcam/ speaker/ microphone set- for video chats with other consoles users
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State a feature of games consoles
Motion sensors- for hands-free gaming
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State a feature of games consoles
High Definition (HD) equipment for HD gaming- HD TV and HDMI cable
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With Nintendo Wii and Playstation 3 users need to hold a what?
motion sensor which has buttons for game control
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Xbox Kinect gives what?
"true" hands-free gaming- using a laser and an infrared camera it builds up a picture of your room and works out what is a person and what is furniture. It then identifies which parts of your body are moving
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What is a Smart TV?
also called a connected TV because they have an Internet connection. Used for online interactive media and on-demand film and game streaming
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What do Smartphones and tablets have?
wired and wireless HDMI connectivity so you can use the device to play games on a HD television
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State a future development
Controlling a game using thought alone is the aim of many developers
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State a future development
An iPhone app is available that allows users to move and control objects on screen using thought
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State a sign of overuse of a games console
You lie about how long you spend playing
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State a sign of overuse of a games console
You spend all of your "free time" gaming
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State a sign of overuse of a games console
You are giving up other hobbies and interests
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State a sign of overuse of a games console
You are not keeping up with your homework and your grades are falling
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State a sign of overuse of a games console
You are irritated and agitated when not playing games
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State a sign of overuse of a games console
You would rather play games than spend time with family and friends
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State an effect on behaviour from playing on games consoles
A report has suggested that exposure to violent video games causes aggression and decreases empathy (feelings) for others
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State an effect on behaviour from playing on games consoles
Brain scans have shown that playing a shooting game for 10 hours in a week results in less brain activity in regions involving thinking and emotional control
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What has been done to deal with the effects on behaviour from playing on games consoles?
Governments have passed laws regulating, prohibiting or banning violent games
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What has been done to deal with the effects on behaviour from playing on games consoles?
Video games are classified in the same way as films
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Home entertainment systems are designed to provide what?
high quality audio and video throughout a house and to integrate the content on separate digital devices
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State a feature of Digital Television
More channels than analogue TV
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State a feature of Digital Television
High quality pictures and sound
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State a feature of Digital Television
The electronic programme guide (EPG) displays programme information on-screen
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State a feature of Digital Television
More accessible: subtitles, audio and sign language descriptions
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State a feature of Digital Television
Interactive features e.g. extra coverage, voting and shopping capabilities
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State a feature of Digital Television
Greater control: save programmes and pause live TV
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Smart TVs and games consoles allow users to what?
stream channels or films directly from the Internet
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Apple Tv also allows users to what?
access the audio and media stored in their iCloud
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Digital projectors project what?
HD images from a computer, set top box, personal media player or DVD/ Blu-ray player on to a screen or wall
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Home cinema/ theatre systems include what?
DVD/Blu-ray player, amplifier and six speakers to provide high-fidelity surround sound
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Personal video recorders (PVR) or digital video recorders (DVR) contain what?
a hard disk allowing you to record TV programmes
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Set top boxes transform and enhance the signal from what?
the cable or satellite to a form that the TV can display
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Blu-ray players play HD movies on what?
Blu-ray discs (which can store up to 50 GB)
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As home Wi-fi networks become more common, people are now able to what?
integrate their media devices
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What does DLNA stand for?
Digital Living Network Alliance
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If two devices are DLNA certified, then they are compatible straight out of the box. So you can what?
access content from your PC, camera or smartphone on your TV, or play music from your personal media player through your Hi-Fi without plugging anything in or transferring files between devices
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State the function of GPS
Global Positioning System (GPS) gives you an accurate location of where you are by receiving signals from a network of satellites
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Satellite navigation systems (sat navs) use what to plan routes and give directions?
GPS. Sat navs are used by drivers, pedestrians and geocachers
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State what drivers users use sat navs for
to check their speed and warn them about speed cameras
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State what drivers users use sat navs for
to get live traffic reports and avoid congestion
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State what drivers users use sat navs for
to find scenic routes or conveniences, such as service stations
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State a health and safety risk of satellite navigation
Driver may take eyes off the road/ cause an accident while trying to adjust settings/ route
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State a health and safety risk of satellite navigation
Device may cause a "blind spot"
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State a health and safety risk of satellite navigation
Device could lead driver down hard to navigate roads or to incorrect destinations
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What do Pedestrians use sat navs for?
to find their way in cities or in the countryside. Pedestrian sat navs are small waterproof, shockproof devices that give geographical coordinates and contain a compass
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What is Geocaching?
is an outdoor, high-tech treasure hunt. Players try to locate hidden containers, called geocahes, using GPS enabled devices and then share their experiences online
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What is convergence?
is where digital devices take on functions normally found in other devices
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GPS and sat nav functions are now offered on a variety of devices:
smartphones and media players now have GPS receivers and free downloadable maps
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GPS and sat nav functions are now offered on a variety of devices:
route planning apps are available for smartphones
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Sales of dedicated sat navs are what?
falling so some sat nav manufacturers now produce their own apps for smartphones
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State a feature that dedicated sat nav manufacturers are responding by producing sat navs with new features
larger screens
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State a feature that dedicated sat nav manufacturers are responding by producing sat navs with new features
3D displays
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State a feature that dedicated sat nav manufacturers are responding by producing sat navs with new features
lane assist with images of actual junctions
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State a feature that dedicated sat nav manufacturers are responding by producing sat navs with new features
Bluetooth links to mobile phones so they can be used for voice calls
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State a feature that dedicated sat nav manufacturers are responding by producing sat navs with new features
eco-route planning to save petrol on journeys
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State an advantage of using a smartphone as a sat nav
You are always more likely to have your mobile phone with you so you will always have your sat nav with you
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State an advantage of using a smartphone as a sat nav
They are generally small,light and easy to carry around
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State an advantage of using a smartphone as a sat nav
If you already own a smartphone, then you can buy applications from the major sat nav manufactures for your phone
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State a disadvantage of using a smartphone as a sat nav
You might have to pay for an expensive sat nav app if your phone does not come with one
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State a disadvantage of using a smartphone as a sat nav
You can be subject to charges if you do not have a good deal on your mobile Internet usage and you will have to pay roaming charges if you use it abroad
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State a disadvantage of using a smartphone as a sat nav
Using GPS on your mobile phone runs the battery down quickly
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State a disadvantage of using a smartphone as a sat nav
Smartphone sat nav does not always update quickly, which could cause you to miss instructions
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Some sat navs provide extra information for people with disabilities such as what?
the location of dedicated disabled parking areas. They also provide local information for those with disabilities about disabled toilets and facilities in shops, train stations and other public places
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Sat navs for blind people will what?
speak their location at the press of a button
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The use of digital devices has affected what?
the ways in which all organisations operate
263 of 284
Organisations use computers for what?
storing data, design tasks, production tasks (e.g. computer- controlled machines), planning, advertising and communicating
264 of 284
State what the introduction of computers had had an impact on
the number of employees needed
265 of 284
State what the introduction of computers had had an impact on
the skills employees need
266 of 284
State what the introduction of computers had had an impact on
training and re-training requirements
267 of 284
Many organisations issue their employees with what?
portable digital devices (e.g. mobile phones, laptops, netbooks and tablets) and make remote access possible through wireless and 3G networks and by storing data and files in a "cloud"
268 of 284
State an advantage of storing data and files in a "cloud"
allows greater collaboration between workers at different sites
269 of 284
State a disadvantage of storing data and files in a "cloud"
puts organisations at greater risk of hackers stealing or corrupting data
270 of 284
As more of an organization's customers use digital devices, organisations need what?
a strong online presence
271 of 284
State a way of having a strong online presence
website- to showcase goods and services and sell online
272 of 284
State a way of having a strong online presence
blog- to tell customers about developments in a more personal way
273 of 284
State a way of having a strong online presence
presence on social networking sites- to monitor comments and engage in discussions
274 of 284
State a way of having a strong online presence
viral marketing- to advertise their services through video uploads
275 of 284
State a way of having a strong online presence
profiling- tracking information about customer transactions gathered using cookies
276 of 284
State a use for technology in education
Internet allows better online research
277 of 284
State a use for technology in education
Laptops, netbooks and smartphones allow access to online learning resources
278 of 284
State a use for technology in education
Apps for smartphones and tablets make learning more enjoyable
279 of 284
State a use for technology in education
VLEs allow access to learning resources and let students hand in homework any time
280 of 284
State a use for technology in education
Ebook readers give better access to lots of texts
281 of 284
State a use for technology in education
Online registration and admin systems for schools to improve efficiency
282 of 284
State a use for technology in education
Specialist software improves learning in certain subjects
283 of 284
State a use for technology in education
Interactive whiteboards, digital cameras and devices with GHS enhance the learning experience
284 of 284

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state one way difference to MMS and SMS for people to communicate

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state one way difference to MMS and SMS for people to communicate

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