page 1 ICT
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- Created by: Leannethomasjsjsjs
- Created on: 24-01-17 20:28
How can a smartphone be used for leisure, travel or communication?
She could stream films on it, download music, play games. She could SMS (short message service) someone and she could use the GPS (global positioning system) to track where she's going.
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What factors do you need to think about whilst choosing a digital device?
Battery life, security, storage capacity, cost and purpose.
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What is a processor?
There is a processor in all digital devices, it controls all the functions of the device.
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What's flash memory?
Flash memory is a type of peripheral that is ideal for portable digital devices because: it doesn't lose data when turned off, it is removable and can be used to transfer data.
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Types of flash memory?
Secure digital (SD) card which stores up to 4GB. USB flash drive or memory stick which plugs into the USB port and can store up to 256GB.
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Kez could use a DVD or CD drive to back up his video files. State one reason why DVD is more suitable?
DVDs have a larger storage capacity.
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Suggest two reasons why SD cards are suitable for personal media players?
No moving parts so not easily damaged and can be used to transfer data.
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Whats an input device, give example?
Allows users to give instructions and input data to the device. Example: mouse, microphone and scanner.
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Whats an output device, give example?
Allows users to see or hear information after it has been processed. Example: headphones, monitor and speakers.
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What's bluetooth?
A technology allowing devices to communicate with each other wirelessly. They use radio waves over short distances.
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What's Wi-Fi?
A wireless communication using radio waves.
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What's synchronisation?
When two devices are connect and they can automatically exchange data.
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What's cloud synchronisation?
Allows users to store all their data files such as music on a remote server.
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Explain why Wi-Fi enabled speakers might be better than bluetooth?
Wi-Fi enabled speakers have a greater range than bluetooth which means the Wi-Fi speakers would be more versatile.
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Describe one feature of modern mobile phones that has improved the user experience when watching movies.
Improved screen resolution so the movies look better on the screen and more storage capacity meaning higher quality films which take up more storage can be downloaded.
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What is 'network band'
Mobiles in different areas of the world use different frequencies or network bands. if users want to use their phones abroad they will have to have a dual band, tri band or to cover the whole world a quad band.
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How can people make sure the data on their mobiles can be kept safe?
Lock the sim card, put a pin on it.
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Describe desktop computers?
Need input and output peripherals like monitors. Powerful processors. Good connectivity (USB, HDMI). Easy to upgrade and enhance.
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Describe laptop computers?
Battery powered or use electricity supply. Monitor, pointing device and webcam built in. Bluetooth and wifi built in. Less easy to dismantle and upgrade. Have hard disk drives and optical drives (CD and DVD drives) and slots for SD cards.
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Describe netbook computers?
Strong and small, lightweight. Boot up quickly as they have solid state SD cards as storage devices. WiFi built in.
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Describe tablets?
Very light, portable. Battery powered. Touch screen. Cameras. Can download apps like on mobiles.
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Whats RAM?
Random access memory which is a type of computer memory which can be accessed randomly.
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What's ergonomics?
Is the science of designing equipment so that it is comfortable and user friendly.
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Causes and possible solutions of the health risk of eye strain?
Looking at the screen for too long - Take regular breaks, adjust the screen brightness.
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Causes and possible solutions of the health risk of neck and back problems?
Sitting in the wrong position or sitting in the same position for a long time - Adjust the support, change the height of chair and screen.
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Whats digital zoom?
Crops and enlarges part of the image which can effect image quality.
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Whats optical zoom?
Moves the lens away from the sensor and closer to the subject bringing the light from the subject closer.
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Whats resolution?
Images are made up of pixels. A megapixel is one million pixels. The more pixels, the more detailed.
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What's an RSS feed?
A web feed format used for content which is frequently updated e.g news.
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Other cards in this set
Card 2
Front
What factors do you need to think about whilst choosing a digital device?
Back
Battery life, security, storage capacity, cost and purpose.
Card 3
Front
What is a processor?
Back
Card 4
Front
What's flash memory?
Back
Card 5
Front
Types of flash memory?
Back
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