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Microprocessor

Microprocessor
Register pair used to indicate memory

 W and Z
 D and E
 B and C
 H and L

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Microprocessor
In microprocessor based system I/O ports are used to interface

 the O/P devices only
 the I/P device only
 all the I/O devices
 the I/O devices and memory chips

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Microprocessor
Which of the following is a valid integer constant?

127
125 + 3
127
127

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Microprocessor
The microprocessor may be made to exit from HALT state by asserting

 RESTART
 A or B or HOLD line
 READY line
 any of the five interrupt lines

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

 0000H
 003CH
 002CH
 0043H

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Microprocessor
For a memory with a 16-bit address space, the addressability is

8 bits
16 bits
2^16 bits
Cannot be determined

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