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Computer Basic Information

Computer Basic Information
A dot-matrix printer

is an input device
cannot print alphabet
None of these
has a speed of 1000 cps
is an output device

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Computer Basic Information
The ............ operating system was initially created in the early 1970s at AT & T's Bell Labs.

DOS
None of these
GNU
Unix
Linux

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Computer Basic Information
Which input device is able to scan & interpret an entire page that is typed in a special font

Paper tape punch
None of these
Page reader
Floppy disk
Optical card readers

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Computer Basic Information
Which of the following memory is capable of operating at electronics speed?

None of these
Magnetic drums
Magnetic tapes
Magnetic disks
Semiconductor memory

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Computer Basic Information
In how many generations a computer can be classified ?

5
4
3
6

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Computer Basic Information
Which kind of devices allows the user to add components and capabilities to a computer system?

Storage devices
Input devices
Output devices
Expansion slots
System boards

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