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Computer Basic Information

Computer Basic Information
An input device which can read characters directly from an ordinary piece of paper is

None of these
OCR
MSI
POS
OMR

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Computer Basic Information
The device that can both feed data into and accept data from a computer is

All of these
ALU
None of these
Input-Output device
CPU

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Computer Basic Information
Which method is of reading the characters & providing input to a computer.

Optical character reader
Punched paper tape
Magnetic ink character
Card punch
None of these

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Computer Basic Information
Which of the following is associated with networks?

Download, node
Point-to-Point
Star topology
Both (A) and (B)
None of these

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Computer Basic Information
If you want to secure a message, use a(n):

Encryption software package
Encryption key
Cryptology source
Cryptosystem

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Computer Basic Information
The examination and changing of single bits or small groups of his within a word is called

None of these
Bit slice
Bit manipulation
Byte
Bit

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