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Computer Basic Information

Computer Basic Information
Which is a device that changes information into digital form?

None of these
Mouse
Modem
Light pen
Digitizer

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Computer Basic Information
Arithmetic logic unit I.   perform arithmetic operations II.  store data III. perform comparison IV.  communicate with input devices from above the correct one is

II only
I and II only
I and III only
I only

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Computer Basic Information
The benefit of using computers are that

Computers are designed to the inflexible
Computers are very fast and can store huge amounts of data
Computers produce accurate output even when the input is incorrect
None of these
All of these

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Computer Basic Information
A prefix for billion which is equal to _____ is called as billi.

1000
None of these
100
10000
10

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Computer Basic Information
How many addresses are required for 25 x 40 video RAM?

1000
None of these
2000
1920
2000

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Computer Basic Information
A mechanism for arranging controlled access to a shared resource is

Lock-out
None of these
Retrieving
Balleting
Sorting

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