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Microprocessor

Microprocessor
During OPCODE fetch the state of S0 and S1 is

 00
 10
 01
 11

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

 0018H
 0028H
 0024H
 0000H

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Microprocessor
Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields?

 1, 3, 2 and 4
 2, 1, 4 and 3
 2, 4, 1 and 3
 1, 2, 3 and 4

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Microprocessor
How many segments are there in 8086?

 2.
 3.
 4.
 6.

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Microprocessor
Because we wish to allow each ASCII code to occupy one location in memory, most memories are __________ addressable.

BYTE
DOUBLEWORD (32 bits)
WORD (16 bits)
NIBBLE

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Microprocessor
The program counter in a 8085 micro-processor is a 16-bit register, because

 It facilitates the user storing 16-bit data temporarily
 It counts 16-bits at a time
 There are 16 address lines
 It has to fetch two 8-bit data at a time

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