Hardwares

maryamxjay
Mind Map by , created over 5 years ago

A-Level ICT Mind Map on Hardwares, created by maryamxjay on 05/13/2014.

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maryamxjay
Created by maryamxjay over 5 years ago
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Hardwares
1 Data Storage
1.1 ROM & RAM
1.1.1 ROM is memory that cannot be changed
1.1.1.1 Like...
1.1.1.1.1 ROM stores the instructions for the computer to start up when it is turned on again
1.1.2 RAM is a fast temporary type of memory
1.1.2.1 Like..
1.1.2.1.1 operating system
1.1.2.1.2 applications
1.1.2.1.3 graphical user interface (GUI)
1.2 Hard Disks
1.2.1 If damaged, it will corrupt files.
1.2.2 Stores large amounts of data
1.3 Magnetic Tape
1.3.1 Very slow to write to and read from.
1.3.2 They are small, robust, portable and provide low cost storage per GB.
1.4 Floppy&Zip Disks

Annotations:

  • http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev4.shtml
1.5 CD & DVD

Annotations:

  • http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev5.shtml
1.6 USB Memory Sticks
1.6.1 Most likely to be lost, stolen or damaged
1.6.2 Hold large quantities of data. Extremely portable.
1.7 Memory Cards
1.7.1 These are the smallest storage devices available. This means they are more likely to be lost, stolen or damaged
1.7.2 Hold large quantities of data. Extremely portable, durable.
1.8 Online
1.8.1 People can hack into it.
1.8.2 A lot of storage space
2 Input Devices
2.1 allow us to enter raw data into a computer
2.1.1 Cameras
2.1.2 Graphic Tablets
2.1.3 Trackerballs
2.1.4 Keyboard
2.1.5 Joystick
2.1.6 Mouse
2.1.7 Microphone
2.1.8 Scanner
2.1.9 Webcam
2.1.10 Touchpad
2.1.11 Electronic Whiteboard
3 Output Devices
3.1 Printers
3.2 Monitor
3.3 Plotters
3.4 LCD Projection Panels
3.5 Projectors
3.6 Speakers
4 Both Input&Output Devices
4.1 Modems
4.2 Network Cards
4.3 Touch Screens
4.4 Headsets (Mic&Headphones)
4.5 FAX
4.6 Audio Cards / Sound Card

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