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Microprocessor

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
When an 8085 microprocessor is reset, the address bus contains

 0043H
 0000H
 003CH
 002CH

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

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Microprocessor
S0 and S1 pins are used for

 acknowledging the interrupt
 indicating the processor’s status
None of these
 serial communication

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

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

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Microprocessor
The relation among IC (Instruction Cycle), FC (Fetch cycle) and EC (Execute Cycle) is

 IC = FC + 2EC
 IC = FC + EC
 IC = FC - EC
 EC = IC + FC

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