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Microprocessor

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

True
False

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Microprocessor
The address bus of any microprocessor is always

 Bi-directional
 Unidirectional
 None
 Either unidirectional or bi-directional

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Microprocessor
Which of the following is a valid integer constant?

127
125 + 3
127
127

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

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Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0030H.
 0060H.
 0024H.
 0048H.

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Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

m
2*m
log2 (m)
2^m

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