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Microprocessor

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

 0018H
 0024H
 0000H
 0028H

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Microprocessor
Pick up the programmable interrupt controller from the following

 8257
 8279
 8275
 8259

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 flags
 shift registers
 latches
 counters

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 incremented by one.
 transferred to memory address register .
 transferred to memory data register.
 transferred to address bus.

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220-1
 220
 220 - 1
 20

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 D-E
 B-C
 PSW
 Stack Pointer

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