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Computer Basic Information

Computer Basic Information
The imitation of one device or system by another is

Simulation
None of these
Emulation
Compaction
Resilience

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Computer Basic Information
Which of the following is form of semi conductor memory in which it is possible to change the contents of selected memory locations by applying suitable electrical signals.

CAM
EAROM
ROM
ANACUS
None of these

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Computer Basic Information
In latest generation computers, the instructions are executed

Sequentially only
None of these
All of these
Parallely only
Both sequentially an parallely

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Computer Basic Information
The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?

Wand
Laser scanner
OCR
None of these
MICR

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Computer Basic Information
Who is credited with the idea of using punch cards to control patterns in a weaving machine?

Jacquard
Pascal
None of these
Hollerith
Babbage

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Computer Basic Information
The first mechanical calculating machine was made by

Gottfried Leibnitz
William Oughtred
Blaise Pascal
None of these
Charles Babbage

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