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Electronic Mechanic
Electronic Mechanic Set-1
Computer hardware, OS, MS office and networking
18

Computer hardware, OS, MS office and networking MCQ with Answers

18) The speed of spindle motor rotates inside the hard disk

4000 to 800 r.p.m

2500 to 5000 r.p.m

3500 to 6000 r.p.m

3600 to 7200 r.p.m

Answer is:

3600 to 7200 r.p.m

Computer hardware, OS, MS office and networking MCQ with Answers

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Related Computer hardware, OS, MS office and networking MCQ with Answers

19) Which metal coating is used on compact disk?

Silver

Nickel

Chromium

Aluminium

Answer is:

Aluminium

20) Where the programs and datas are stored after execution in computer?

Buffer

Chip set

Memory

Processor

Answer is:

Memory

21) Which shortcut key function is used to close the working window on the computer?

Ctrl + S

Ctrl + P

Alt + F4

Shift + F3

Answer is:

Alt + F4

Explanation:

Alt + F4 key is used to close the working window on the computer.

22) Which device converts digital data from computer into analog data and transmit through telephone line?

MODEM

Chipset

Processor

Cache memory

Answer is:

MODEM

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