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Computer Basic Information

Computer Basic Information
What is the shortcut key to "Undo" the last action in a document?

Ctrl + X
None of these
Ctrl + Z
Ctrl + U
Ctrl + Y

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Computer Basic Information
The process of fetching and executing instructions, one at a time, in the order of increasing addresses is known as

instruction fetch
straight line sequencing
random sequencing
instruction execution
None of these

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Computer Basic Information
The output of a 2 input OR gate is 0 only when its

both inputs are 0
None of these
both inputs are 1
either input is 0
either input is 1

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Computer Basic Information
A beam of light used to record and retrieve data on optical disks is known as

laser
coloured light
unpolarized concentric light
polarized light
None of these

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Computer Basic Information
Ethernet uses

Tree topology
Star topology
None of these
Ring topology
Bus topology

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Computer Basic Information
Which of the following languages is more suited to a structured program?

None of these
PASCAL
PL/1
FORTRAN
BASIC

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