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Microprocessor

Microprocessor
RST 3 instruction will cause the processor to branch to the location

 0028H
 0018H
 0024H
 0000H

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Microprocessor
An I/O processor controls the flow of information between

Main memory and I/O devices
Two I/O devices
Cache and main memory
Cache memory and I/O devices

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Microprocessor
How many machine cycles are required for execution of IN 30H instruction

 5
 4
 6
 3

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 none of these.
 stack pointer.
 both A and B.
 program counter.

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

2^16 bits
16 bits
8 bits
Cannot be determined

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 1, 3, 4
 1, 2, 5
 2, 3, 5
 1, 3, 5

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