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Electronics and Communication Engineering (ECE) Exam  >  Electronics and Communication Engineering (ECE) Test  >  Topicwise Question Bank for Electronics Engineering  >  Test: Introduction to 8085 & Its Functional Organisation - Electronics and Communication Engineering (ECE) MCQ

Introduction to 8085 & Its Functional Organisation - Free MCQ Practice


MCQ Practice Test & Solutions: Test: Introduction to 8085 & Its Functional Organisation (10 Questions)

You can prepare effectively for Electronics and Communication Engineering (ECE) Topicwise Question Bank for Electronics Engineering with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Introduction to 8085 & Its Functional Organisation". These 10 questions have been designed by the experts with the latest curriculum of Electronics and Communication Engineering (ECE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 10

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Test: Introduction to 8085 & Its Functional Organisation - Question 1
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A programme written in machine language is called the

Test: Introduction to 8085 & Its Functional Organisation - Question 2
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The number of input pins of 8085 microprocessor are

Detailed Solution: Question 2

There are total 40 pins in 8085 microprocessor out of which 27 are output pins, 21 are input pins and 8 pins (AD0 - AD7) are shared between output and input signals.

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Test: Introduction to 8085 & Its Functional Organisation - Question 3
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In 8085 microprocessor the number of interrupts maskable and non-maskable are

Detailed Solution: Question 3

There is only one interrupt in 8085 microprocessor which is non-maskable which is TRAP.
The interrupts which are maskable are INTR, RST 7.5, RST 6,5 and RST 5.5 (total four).

Test: Introduction to 8085 & Its Functional Organisation - Question 4
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Match List-I with List-ll and select the correct answer using the codes given below the lists:

List-1
A. Operating system
B. Locator
C. Editor
D. Debugger

List-ll
1. Allows user to examine the contents of registers and memory locations after each step of execution.
2. A program of collection of programs which are usually stored on discs.
3. A program which assigns specific memory addresses for the machine codes of the program to be loaded into the memory.
4. A program which allows user to write source program or text into RAM.

Test: Introduction to 8085 & Its Functional Organisation - Question 5
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The interrupt pin TRAP of a 8085 microprocessor is

Detailed Solution: Question 5

TRAP is an interrupt in 8085 microprocessor which is both edge and level triggered.

Test: Introduction to 8085 & Its Functional Organisation - Question 6
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Consider the following statements:
1. A cross assembler runs on the microcomputer on which it produces machine codes.
2. A resident assembler runs on a computer other than that for which it produces object codes. 
3. The program written in hexadecimal system List-i is converted into binary system by a program called Monitor program.
4. Macros are the assembler directive which are commands to the assembler itself.

Which of the above statements are correct?

Detailed Solution: Question 6

  • A cross-assembler is an assembler that runs on a computer other than that for which it produces object codes. Hence, statement- 1 is not correct.
  • A resident assembler or a self assembler is an a ssembler  which runs on the microcomputer on which it produces object codes (machine codes). Hence, statement-2 is not correct.
  • Statements 3 and 4 are correct.

Test: Introduction to 8085 & Its Functional Organisation - Question 7
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Match List-I with List-li and select the correct answer using the code given below the lists:

List-l
A. Compiler
B. Assembler
C. Interpreter
D. System Software

List-II
1. High-level language program into machine codes, statementwise.
2. High-level language program into machine language program.
3. Controls the overall operation of a computer. ,
4. Assembly language program into a machine language program.

Test: Introduction to 8085 & Its Functional Organisation - Question 8
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Assertion (A): The writing of a program in assembly language is much easier and faster as compared to the writing of program in machine language.
Reason (R): An assembly language is a low- level language

Detailed Solution: Question 8

  • A machine language program is written in the form of 0’s and 1’s. Since the each bit has to be entered individually the entry of a program is very slow in machine language compared to assembly language.
  • Both assembly language and machine language are microprocessor - specific and a microproc essor - specific language is known as a low - level language. Hence, both assertion and reason are correct but reason is not a correct explanation of assertion.

Test: Introduction to 8085 & Its Functional Organisation - Question 9
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A micro controller differs from a microprocessor in terms of

Detailed Solution: Question 9

A micro controller differs from a microprocessor in terms of memory configuration and I/O interfaces. It has both on chip memory and on chip ports.

Test: Introduction to 8085 & Its Functional Organisation - Question 10
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A microprocessor program written in assembly language is translated into machine language. The number of instructions in the machine language when compared with the number of instructions in assembly language is

Detailed Solution: Question 10

Since for each mnemonics written assembly language there is only one machine code , therefore the number of instructions in the machine language when compared with the number of instructions in assembly language is same.

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About this Electronics and Communication Engineering (ECE) Practice Test

This test contains 10 MCQs on Introduction to 8085 & Its Functional Organisation with detailed solutions for each question. It is part of the Topicwise Question Bank for Electronics Engineering course on EduRev, designed to align with the current Electronics and Communication Engineering (ECE) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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