AQA GCSE ICT

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Hardware
physical components
1 of 28
Software
set of instructions
2 of 28
PC
+very powerful -not portable
3 of 28
Laptop
+portable +battery -expensive
4 of 28
Netbook
+smaller -less power & storage
5 of 28
PDA
+handheld -least powerful -replaced by smartphones
6 of 28
Processor
brain processes raw data to info
7 of 28
Motherbord
central circuit board all hardware connected
8 of 28
Sound card
outputs sound from speaker
9 of 28
Graphics card
processes image> output monitor
10 of 28
Optical drive
CD/DVD
11 of 28
Hard drive
backing storage device>save programs/docs
12 of 28
Remove software
uninstall
13 of 28
Shut down
o close all software o shut down o wait
14 of 28
Fix a software freeze
o restart o task manager>restart software> ctrl+alt+del
15 of 28
Fix a storage full message
o delete unneeded files>externally back up
16 of 28
Fix paper jam
o power down o remove paper o reconnect
17 of 28
Simple input devices
o tracker ball o magnetic strip
18 of 28
Specialist input devices- function/PA/ +/-
o OCR o OMR o Barcode reader o voice recognition o Biometrics
19 of 28
Output devices: printers > +/-
o inkjet +cheap -ink expensive -slower +better quality -Ink smudges +quite o Laser +faster -expensive +ink lasts longer -lower quality +reliable
20 of 28
Monitors
CTR: +large screen -lots of space LCD: +high definition +little space
21 of 28
Primary storage
memory> store data needed to run
22 of 28
RAM( Random access memory)
x volatile x temporary> programs/data stored before going to processor
23 of 28
ROM (read only memory)
x non volatile x permenant fast memory
24 of 28
Printer buffer
memory hold queue
25 of 28
secondary/backing storage
*stores programs/docs *non-volatile
26 of 28
transfer rate
speed data can be read off storage device
27 of 28
magnetic hard disk drive
internal/external +high transfer rate +high storage -break easily
28 of 28

Other cards in this set

Card 2

Front

Software

Back

set of instructions

Card 3

Front

PC

Back

Preview of the front of card 3

Card 4

Front

Laptop

Back

Preview of the front of card 4

Card 5

Front

Netbook

Back

Preview of the front of card 5
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