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Computer Basic Information

Computer Basic Information
The 'lC' chip, used in computers, is made of

Silicon
Chomium
Silica
Iron oxide

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Computer Basic Information
The invention of the slide rule is attributed to

Napier
None of these
Babbage
Pascal
Oughtred

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Computer Basic Information
Large computer system typically uses:

Ink-jet printers
None of these
Dot-matrix printers
Line printers
Daisy wheel printers

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Computer Basic Information
Which key on keyboard of a computer does not have its name printed on the key?

ESC
SPACE
SHIFT
F1

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Computer Basic Information
What does a system bus do?

stores data and instructions
allows the user to communicate with the computer
connects various components within the computer
carries out instructions
None of these

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Computer Basic Information
Character readers are those devices which read the characters printed on the source documents and then convert them directly into computer-usable input. Which of the following is not a character reader?

LCD
None of these
MICR
OMR
OCR

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