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Computer Basic Information

Computer Basic Information
A printer in which the characters are embossed on a band is

None of these
Golf-ball
Laser
Chain
Dot-matrix

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Computer Basic Information
A register in which of the following that holds the current instruction while it is being executed is called instruction register.

CPU
ALU
Memory
Address
None of these

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Computer Basic Information
Which of the following operating systems is produced by IBM?

OS-2
UNIX
DOS
Windows

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Computer Basic Information
ENIAC (Electronic Numerical Integrator and Calculator) had huge advantage over Mark I because it used electronic valves in place of the electromagnetic switches. In the beginning, ENIAC was used for calculating the path of artillery shells. For which other was weapon design was it utilized?

None of these
hydrogen bomb
atom bomb
agnimissile
fighter aircraft

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Computer Basic Information
Output hardware is often categorized according to whether it:

None of these
can fit on a desktop
requires a large amount of electricity to work
is expensive
produces hardcopy or softcopy

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Computer Basic Information
Which of the following are the building blocks of all the circuits in a computer.

Instructions
Circuit switch
None of these
Logical Operators
Logic gates

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