Mind map
Keywords

Mind map: computer hardware keywords
Map content
Keywords
Processor
- The higher the number the faster it is. Does all the calculations, the ‘brain’ of the computer. Usually measured in GHz.
RAM
- Temporary memory. The higher the RAM the more things you can do at once. Better graphics and videos require more RAM.
Hard Drive
- Primary storage area. Measured in bytes (gigabytes). 1000 gigabytes= terabyte. The bigger the more data can be stored.
Wireless Enabled
- Pick up Wi-Fi signals and connect to internet. Slower than a cable due to distortion. Can’t travel through lots of thick walls. Connects other devices together.
USB Connection
- Universal Serial Bus. It’s the most common thing on a computer. Many peripherals are connected this way. It’s good to have a lot of USB ports.
Sound/ Graphics Card
- Fixed to the main motherboard. Plays, record and displays graphics. If you see a lot of sound/ graphics it is an important thing to consider. Gamers usually have very expensive graphics cards.
Optical Drive
- CD or DVD drive. Allows you to install software, listen to and watch films. Some optical drives allow you to burn CDs/DVDs. Useful for data transfers, backing up and archiving.
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- GCSE GCSE ICT Mind Map on Keywords, created by Lauren Vardy on 07/05/2013.
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- Lauren Vardy
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