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Microprocessor

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

 0018H
 0000H
 0024H
 0028H

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Microprocessor
DMA signal/signals in 8085 is/are

 HOLD.
 All.
 HLDA.
 READY.

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the stack pointer
 its internal registers
 the sequence in which memory contents are fetched by it
 the program counter

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Microprocessor
When the write enable input is not asserted, the gated D latch _________ its output.

Sets
Clears
Complements
Can not change

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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 - 1
 220
 20

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Microprocessor
A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

 XTHL & DAD H
 XCHG & DAD B
 XCHG & DAD H
 PCHL & DAD D

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