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MCQ

The main purpose of Accumulator register of 8085 is

temporary data storage

selection of peripheral

storing instructions

used as primary pointer

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8085 MPU is

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The highest priority interrupt in 8085 is:

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RST6.5

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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 clock frequency of an 8085 microprocessor is 5 MHz. If the time required to execute an instruction is 1.4 ?s, then the number of T-states needed for executing the instruction is

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This signal is used as the system clock for devices connected with the microprocessor.

X1, X2

CLK OUT

CLK IN

IO/M

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category More Microprocessor Topics

Microprocessor Basics

Classification

Input Output interfacing

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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

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