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Microprocessor

Microprocessor
The character set of Fortran 77 includes lower case alphabets a to z.

True
False

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Microprocessor
Consider the following statements: In 8085 microprocessor, data-bus and address bus are multiplexed in order to I)Increase the speed of microprocessor. II)Reduce the number of pins. III)Connect more peripheral chips. Which of these statements is/are correct?

 (I) only
 (II) only
 (I), (II) & (III)
 (II) & (III)

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Microprocessor
Register pair used to indicate memory

 B and C
 W and Z
 H and L
 D and E

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Microprocessor
Identify the non-programmable interfacing device from the following

 8295.
 8257.
 8255.
 8212.

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

2*m
m
2^m
log2 (m)

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 002CH
 003CH
 0000H
 0043H

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