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Microprocessor

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

 0028H
 0000H
 0018H
 0024H

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Microprocessor
In a microprocessor based system the stack is always in

 RAM
 ROM
 EPROM
 microprocessor

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Microprocessor
Which of the following is not a general purpose peripheral?

Programmable interval timer
Programmable CRT controller
Programmable interrupt controller
I/O port

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Microprocessor
Register pair used to indicate memory

 B and C
 H and L
 W and Z
 D and E

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Relational, assignment, arithmetic
Arithmetic, assignment, relational
Arithmetic, relational, assignment
Assignment, relational, arithmetic

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Microprocessor
Which of the following instruction will never affect the zero flag?

 DCX Rp
 DCR R
 ORA R
 XRA R

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