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Computer Basic Information

Computer Basic Information
First generation of computer was based on which technology?

None of these
Transistor
LSI
VLSI
Vaccum Tube

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Computer Basic Information
Which of the following is considered a direct-entry input device?

optical scanner
All of these
mouse
light pen
digitizer

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Computer Basic Information
Instructions and memory addresses are represented by

character codes
binary word
binary codes
parity bit
None of these

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Computer Basic Information
The first firm to mass-market a microcomputer as a personal computer was

None of these
Data General Corporation
Radio Shack
Sperry Univac
IBM

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Computer Basic Information
The general range of speed in revolutions per minute (rpm) at which floppy disks rotate is

2400-4700
None of these
150-250
390-600
300-600

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Computer Basic Information
Measuring unit of capacity of hard drive is -

GHz
GB
G Newton
Gwatts

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