Flashcards
Personal computers
Cards in this deck (14)
- 1List information about desktop computers- input and output peripherals (monitor, mouse and speakers)
- have hard disk drives and optical drives (as storage devices)
- powerful processors
- good connectivity
-can have bluetooth and wifi cards fitted for wireless communication
- easy to upgarde - 2List information about laptop computers- battery powered or can use an electricity supply
-monitor, pointing device and webcam built in
- have hard disk drives and optical drives, and slots for SD cards
- bluetooth and wifi built in
- good connectivity
- less easy to dismantle and upgrade - 3list information about netbook computers- strong and robust
-small and lightweight
- boot up quickly because they have solid state SD cards as storage devices
- Wifi built in for Internet connection
-tend not to have hard disk or optical drives
-designed for using the internet and 'cloud' computing - 4List information about tablet computers- very light and portable
- battery powered
- touch screen interface
- virtual, on screen keyboard
-bluetooth, wifi and 3G for wireless communication
- can download and run apps (as on mobile phones) - 5What does processor speed impact?a quick processor means a fast computer
- 6What is the purpose of a sound/ graphics card?allows you to see/ hear graphics, videos, music and games
- 7What does RAM impact?-lots of RAM will let the computer support more applications
- 8What does storage capacity impact?A large storage capacity means you can store more files
- 9What does battery life impact?for portable devices a long battery life means less frequent charging
- 10What is ergonomics?the science of designing equipment so that it is comfortable and user-friendly
- 11Causes and possible solutions for eye strainCauses:
-looking at screen for too long
Solutions:
- take regular breaks away from screen
- adjust screen
-use antiglare screen - 12Causes and possible solutions for Repetitive strain injury (RSI)Causes:
performing repeated actions (e.g. clicking the mouse)
Solutions:
- use wrist rests to support hands
- take breaks from repeated actions - 13Causes and possible solutions for neck and back problemsCauses:
- sitting in the wrong position
- sitting in the same position for too long
Solution:
- change height of chair/ screen
- move computer closer or further away - 14Causes and possible solutions for pain in knees and legsCauses
sitting in the wrong position or for too long
Solutions:
adjust chair
take regular breaks to stretch legs
Information
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- GCSE IT (personal digital devices) Flashcards on Personal computers, created by Annie Loizides on 31/03/2018.
- Created by
- Annie Loizides
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