Computer Hardware Revision Test
1. Match the picture to an input or output, simply say “input” or “output”.
[16]
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2. Match the words below to thew storage type.
Solid State
Magnetic
Optical
Magnetic Tape
RAM
Flash Drive
[6]
3. What is hardware?
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4. What is software?
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5. How is information saved and read from a CD ROM / DVD?
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6. How is information saved and read from a magnetic hard drive (HDD)?
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7. What storage devices are suitable to store the following items.
Use the words to answer the question: Cloud
USB
SSD
HDD CD ROM
Pictures…………………………………………………………………………………………….
Video………………………………………………………………………………………………..
Large files………………………………………………………………………………………….
Files from the Internet…………………………………………………………………………
8. What do the following words mean?
Kilo = _____________________________________________________________________[1]
Mega = ___________________________________________________________________[1]
Giga = ____________________________________________________________________[1]
9. Von Neumann Architecture is:
a) Decode – Fetch – Execute
c) Fetch – Execute – Decode
(b) Execute – Fetch – Decode
(d) Fetch – Decode – Execute
[1]
10. The part of the CPU that executes instructions is called:
b) Control Unit
(b) ALU
c) RAM
(d) Registers
[1]
11. An instruction is stored in:
(a) ROM
(b) RAM
[1]
c) Register
(d) ALU
12. How many colours can be stored in 3 bits?
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13. How many colours can be stored in 7 bits?
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14. When RAM is switched off what happens to the programs inside?
a) Nothing (b) All the data is lost
(c) The data is changed
(d) Zero [1]
15. When a Hard Drive is switched off what happens to the files stored inside?
a) Nothing (b) All the data is lost
(c) The data is changed
(d) Zero [1]
16. What is ASCII?
a) Nothing (b) Coding
(c) A way to represent characters (d) Zero [1]
b) How many bits could represent the number 254?
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c) If 01100001 represents the letter ‘a’, what is the binary for ‘b’?
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d) If 01111000 represents the letter ‘x’, what is the binary for ‘z’?
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e) Why should you save files to a HDD or SSD?
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