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MCQ

MVI K, 20F is an example of?

Immediate addressing mode

Direct addressing mode

Indirect addressing mode

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In 8085 microprocessors, which signal is used to insert wait?

READY

ALE

HOLD

INTR

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Register of microprocessor (?P) which keeps track of the execution of program and which contain the memory address of next instruction to be executed is called

Index register

Program counter

Memory address register

Instruction register

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A bus connected between the CPU and the main memory that permits transfer of information between main memory and the CPU is known as

DMA bus

Memory bus

Address bus

Control bus

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When a program is being executed in an 8085 microprocessor, its program counter contains

The memory address as the instruction that is to be executed next

The memory address of the instruction that is being currently matched

The total number of instructions in the program being executed

The number of instructions in the current program that have already been executed

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The status flag that is available in microprocessor 8085, but not available in micro-controller 8051 is:

Carry flag

Overflow flag

Auxiliary flag

Zero flag

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Microprocessor Basics

Classification

Input Output interfacing

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8085 Architecture

8086 Microprocessor

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Register Set of 8051

Serial Communication Unit

Segmentation

Paging

Instruction Set of 8086 8088

Interrupt and Stack of 8051

8051 Instruction Set

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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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More Microprocessor Topics