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MCQ

The Carry flag is undefined after performing the operation

AAA

ADC

AAM

AAD

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The instruction, CMP to compare source and destination operands it performs

addition

subtraction

division

multiplication

Discussion

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In POP instruction, after each execution of the instruction, the stack pointer is

incremented by 1

decremented by 1

incremented by 2

decremented by 2

Discussion

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In the RCL instruction, the contents of the destination operand undergo function as

carry flag is pushed into LSB & MSB is pushed into the carry flag

carry flag is pushed into MSB & LSB is pushed into the carry flag

auxiliary flag is pushed into LSB & MSB is pushed into the carry flag

parity flag is pushed into MSB & LSB is pushed into the carry flag

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The instruction that enables subtraction with borrow is

DEC

SUB

SBB

None of the mentioned

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MCQ

The ROR instruction rotates the contents of the destination operand to

left

right

left and then right

right and then left

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Classification

Input Output interfacing

Microcontroller

8085 Architecture

8086 Microprocessor

Multiprocessor Configuration

Peripheral Interface

Register Set of 8051

Serial Communication Unit

Segmentation

Paging

Instruction Set of 8086 8088

Interrupt and Stack of 8051

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Banking

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category More Microprocessor Topics

Microprocessor Basics

Classification

Input Output interfacing

Microcontroller

8085 Architecture

8086 Microprocessor

Multiprocessor Configuration

Peripheral Interface

Register Set of 8051

Serial Communication Unit

Segmentation

Paging

Instruction Set of 8086 8088

Interrupt and Stack of 8051

8051 Instruction Set

Report Error

Community Discussion

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