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Computer Basic Information

Computer Basic Information
Which one is not an input device ?

Mouse
Speaker
Scanner
Keyboard

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Computer Basic Information
Which was the first commercial computer built by M.V. Wilkies.

Micro computer
None of these
Mainframe
LEO
Super computer

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Computer Basic Information
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as

Optical-wand
Plotter
All of these
Light pen
None of these

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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
atom bomb
fighter aircraft
hydrogen bomb
agnimissile

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Computer Basic Information
The process of putting data into a storage location is called

Writing
Hand Shaking
Reading
Controlling

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Computer Basic Information
The output of a 2 input OR gate is 0 only when its

either input is 0
both inputs are 0
either input is 1
both inputs are 1
None of these

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