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Computer Basic Information

Computer Basic Information
Which of the following is the coding of data so that is can't be easily understood if intercepted.

Barcode
Encryption
None of these
Mnemonics
Decoder

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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
None of these
All of these
Plotter
Light pen

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Computer Basic Information
A systems programming language for microcomputers in the Intel family is

PL/M
PL/C
PLA
PL/CT
None of these

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Computer Basic Information
Conversion of binary number 1011102 to octal is

508
468
None of these
358
568

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Computer Basic Information
The ASCII code for the character J is:

74
None of these
106
105
75

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Computer Basic Information
The desirable characteristic(s) of a memory system is (are)

None of these
speed and reliability
All of these
low power consumption
durability and compactness

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