personal digital devices
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- Created by: abic1
- Created on: 30-04-16 09:37
Uses of digital devices for communication
- text messages
- social networking sites
- instant messaging
- voice calls
- video calls
- media messages
- emails
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Uses of digital devices for leisure
- taking videos and photos with cameras
- streaming films
- playing games on games consoles
- listen to music and watch films with personal media players
- reading with ebook readers
- keep up to date with social media
- watch channels on digital tv
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Uses of digital devices when travelling
- find routes using a sat nav and Global Positioning System
- track locations of cars and vans
- geotag images
- check in to locations
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factors to consider when choosing a device
- battery life
- user interface
- connectivity
- security
- cost
- purpose
- compatibility with other devices
- storage capacity
- speed of internet
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common features
Processor
- controls the functions of the device
Internal Memory
- where the program instructions and data are stored
Flash memory
- peripheral that can transfer data between devices
- no moving parts
- doesn't lose data when turned off
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Types of flash memory
- Micro Sd card
- SDHC (High Capacity Card)
- USB flash drive/ memory stick
- SD card (Secure Digital Card)
- SDXC card (Extended Capacity Card)
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input and output devices
touch sensitive dial
- skipping songs
mouse
- pointing and inputting device
keyboard
- used to enter tect
game controller
- used for gaming
touch screen
- input device controlled by finger or stylus
graphics tablet
- input drawings
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output devices
speakers
- allows user to hear audio output
docking station
- amplifies output of small devices
- charges device
headphones
- allows one person to hear audio output
printer
- allows user to produce a hard copy
screen
- inbuilt display screens or monitor
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connectivity
data cable connection
- USB cable
- allows mobiles to be connected to computers running the correct software
bluetooth
- wireless connection over short distances
- uses radio waves
Wi-Fi
- wireless connection over longer distances
- uses radiowaves
- allows devices to connect with a computer network and the internet
- allows devices to connect to peripherals such as printers and speakers
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mobile phones functions
core fuctions
- make calls on the move
- send text messages
added functions
- convergence
- cameras, games, music
multifunctional mobile phones
- take photos and videos
- browse the internet
- navigation device (GPS)
- data storage of photos music and videos
- boosts productivity and management
- entertainment
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mobile phones security
- hide the phone
- set a pin to unlock it
- lock the SIM card
- restrict bluetooth usage
- record the unique IMEI number
- set the phone to wipe data afer x amount of failed unlock attempts
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responsible use of mobile phones
- don't cyber bully
- don't use it and drive at the same time
- recycle old phones
- don't take photos of people without their permission
- dont overuse it
- dont use it in quiet places
- dont use it when crossing roads
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personal computers
desktop computers
- need input and output devices
- have hard disk drives and optical drives
- good connectivity
- wireless communication
- add extra functions
laptop computers
- battery powered
- hard disk drives
- bluetooth and wifi
- good connectivity
- portable
netbooks
- robust
- wifi
- no hard disk
- designed for cloud computing
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personal computers features
RAM
- lets computer support applications
processor speed
- speed of the computer
wifi
- allows computer to form part of a wireless network
sound/graphics card
- allows user to see/hear graphics
storage capacity
- amount of files that can be stored
battery life
- amount of time device can be used before needing to be charged
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cameras and camcorders features
- digital and optical zoom
- take photos record sound and record HD videos
- view images instantly on LCD screen
- store large number of files using SD and micro SD cards
- download files to a computer using USB or bluetooth
- crop and edit photos on existing software
- view files on the TV using USB or HDMI ports
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cameras and camcorders desirable features
GPS receiver
- geographical coordinates are stored in the metadata
- allows user to see exactly where photo was taken
wifi
- email and upload images to online albums without downloading them first
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media player key features
- small light and easy to carry
- solid state memory
- long battery life
- hold a lot of media
- set playlists
- lock to prevent accidental activation
- simple interfaces
- compresses audio and video so more can be stored
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media player security features
- uses antivirus software
- remote management
- encrypts data
- factory reset feature
- reactivates when correct passcode is entered
- back data up to a computer
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media player connectivity
- wireless transfer
- wifi
- bluetooth
- infrared
- HDMI port
- USB port
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games console features
- high resolution means HD games can be played
- CD, DVD AND Blu-ray optical drives
- USB, Bluetooth, wifi, and ethernet cable
- multiplayer online gaming
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games console developments
smart tv
- internet connection
- on demand
- film and game streaming
- online interactive media
phones and tablets
- wired and wireless HDMI
- play games on HD tv
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games console signs of overuse
- give up other hobbies
- grades drop
- lie about time spent playing
- waste all free time gaming
- rather play games than socialise
- irratated or agitated when not playing
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games console health risks
- obesity
- overuse injuries
- joint and muscle problems
- eye strain
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games console effects on behaviour
- aggression
- decreases empathy for others
- less brain activity in areas that control emotions and thinking
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home entertainment systems
digital tv
- more channels
- high quality
- more accessible
- electronic program guide (EPG)
- interactive features
- save programmes and pause live tv
internet
- stream channels or films directly
- access files stored in iCloud
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satellite navigation advantages
- plan routes and give directions
- check speed
- warnings about speed cameras
- live traffic reports
- avoid congestion
- find conviniences such as petrol stations
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satellite navigation health and safety risks
- drivers causing accidents when trying to alter settings on a satnav
- device may cause a blind spot
- could lead drivers down unsafe roads
- could take drivers to the wrong destination
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advantages and disadvantages of using a smartphone
advantages
- always have your phone on you
- easy small and light to carry
- buy satnav apps
disadvantages
- pay for expensive apps if not already pre-installed
- subjected to data roaming charges as need an internet connection
- decreases battery life quickly
- doesn't always update quickly enough
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advantages of an online presence
website
- showcase goods and sell online
blog
- reviews of products
- more personal
social networking sites
- monitor comments
- engage in discussions
viral marketing
- advertise services/ products through video uploads
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technology in education
apps
- make learning enjoyable
VLEs
- allows resources to be shared
- hand in homework at any time
specialist software
- improves and enhances learning
online registration and admin systems
- improves efficiency
internet
- better online research
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