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Microprocessor

Microprocessor
A microcomputer consists of

 I/O device
 a microprocessor
All of these
 memory

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Microprocessor
Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

 1, 2 and 3
 3 and 4 only
 1, 2, 3 and 4
 1 and 2 only

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Microprocessor
A combinational PLD with a fixed AND array and a programmable OR array is called a

 PLA
 PAL
 PLD
 PROM

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Microprocessor
If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

Either A or B depending on the actual number
A negative floating point number
A larger floating point number
A smaller floating point number

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Microprocessor
An e-mail message can be sent to many recipients.

False
True

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Microprocessor
The number of interrupt lines in 8085 is

5
2
4
3

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