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Computer Basic Information

Computer Basic Information
What is the general name of the device which produces hardcopy graphics?

Printer
Microfilm
COM
None of these
Plotter

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Computer Basic Information
A method for representing digital data analog signals by changing the phase of the analog carrier to represent the digital information is known as

PM
PSK
None of these
PM
PIA

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Computer Basic Information
A type of semiconductor memory that usually has small capacity but very fast access is

None of these
RAM
ROM
PROM
Scratchpad

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Computer Basic Information
Offline device is

a device which is connected to CPU
None of these
a device which is not connected to CPU
a direct access storage device
an I/O device

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

None of these
coloured light
laser
unpolarized concentric light
polarized light

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Computer Basic Information
Which of the following is non-impact printer?

None of these
Drum printer
Chain printer
Line printer
Laser printer

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