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Computer Basic Information

Computer Basic Information
A hand-held device for optically reading bar codes on goods, labels & shelves is

Light pen
None of these
Mouse
Wand
Touch tablet

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Computer Basic Information
Which of the following is NOT an advantage of open-source operating systems over proprietary versions?

Ability to modify code
Free use and distribution
Availability of source code
None of these
Availability of technical support

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Computer Basic Information
What is object of UPS ?

All of the listed here
Using for storage
To increase the speed of a computer
Provides backup power

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Computer Basic Information
Third generation computers

used transistors instead of vacuum tubes
were the first to use built-in error detecting devices
All of these
None of these
were the first to use neural network

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Computer Basic Information
The process of writing computer instructions in a programming language is known as

File
Coding
Processing
None of these
Programming

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Computer Basic Information
The fastest type of memory from the following list is

tape
disk
bubble memory
None of these
semiconductor memory

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MORE MCQ ON Computer Basic Information

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