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868690
Hardwares
Description
A-Level ICT Mind Map on Hardwares, created by maryamxjay on 13/05/2014.
No tags specified
hardware
ict
gcse
revision
ict
a-level
Mind Map by
maryamxjay
, updated more than 1 year ago
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Created by
maryamxjay
over 10 years ago
73
1
0
Resource summary
Hardwares
Data Storage
ROM & RAM
ROM is memory that cannot be changed
Like...
ROM stores the instructions for the computer to start up when it is turned on again
RAM is a fast temporary type of memory
Like..
operating system
applications
graphical user interface (GUI)
Hard Disks
If damaged, it will corrupt files.
Stores large amounts of data
Magnetic Tape
Very slow to write to and read from.
They are small, robust, portable and provide low cost storage per GB.
Floppy&Zip Disks
Annotations:
http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev4.shtml
CD & DVD
Annotations:
http://www.bbc.co.uk/schools/gcsebitesize/ict/hardware/1datastoragerev5.shtml
USB Memory Sticks
Most likely to be lost, stolen or damaged
Hold large quantities of data. Extremely portable.
Memory Cards
These are the smallest storage devices available. This means they are more likely to be lost, stolen or damaged
Hold large quantities of data. Extremely portable, durable.
Online
People can hack into it.
A lot of storage space
Input Devices
allow us to enter raw data into a computer
Cameras
Graphic Tablets
Trackerballs
Keyboard
Joystick
Mouse
Microphone
Scanner
Webcam
Touchpad
Electronic Whiteboard
Output Devices
Printers
Monitor
Plotters
LCD Projection Panels
Projectors
Speakers
Both Input&Output Devices
Modems
Network Cards
Touch Screens
Headsets (Mic&Headphones)
FAX
Audio Cards / Sound Card
Media attachments
nxz (image/png)
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