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Computer Basic Information

Computer Basic Information
An electronic logic gate whose output is logic 0 only when all inputs are logic 1 is

NAND
NOR
NOT
OR
None of these

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Computer Basic Information
Which of these is the first web-based e-mail service?

Rediff Mail
None of these
GMail
Hotmail
Yahoo Mail

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Computer Basic Information
The flow and timing to data to and from the microprocessor is regulated by

address pins
control pins
power pins
data pins
None of these

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Computer Basic Information
A random-access data storage device which gives rapid access to data is

Magnetic tape
Buffer
Disk storage unit
Punched card
None of these

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Computer Basic Information
Which of the following is true?

Records are composed of fields
Fields are composed of characters
Files are composed of records
Fields are composed of bytes
All of these

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Computer Basic Information
Which of the following input/output devices is not associated with personal computers?

color monitors
optical scanners
punched cards
dot-matrix printers
mice

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