8085 Microprocessor Quiz

8085 Microprocessor Quiz

University

80 Qs

quiz-placeholder

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8085 Microprocessor Quiz

8085 Microprocessor Quiz

Assessment

Quiz

Physics

University

Practice Problem

Hard

Created by

D.Saravanakkumar (SF)

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80 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which signal is used to indicate the completion of a memory read operation in 8085?

RD

WR

INTA

ALE

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the IN instruction in 8085?

Input data from a port to the accumulator

Output data from the accumulator to a port

Halt the processor

Read data from memory

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

During the Memory Write Cycle, which signal is activated?

RD

WR

INTA

IO/M

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What state is the 8085 microprocessor in when it is not executing any instruction?

Wait State

Hold State

Halt State

Ready State

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which instruction is used to output data from the accumulator to an output port?

IN

OUT

STA

LDA

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which interrupt has the highest priority in 8085?

RST7.5

RST6.5

RST5.5

TRAP

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the INTA signal?

To acknowledge the IN instruction

To acknowledge the interrupt request

To acknowledge memory read operation

To acknowledge memory write operation

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