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

Test: Introduction to 8085 & Its Functional Organisation - Electronics and Communication Engineering (ECE) MCQ


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10 Questions MCQ Test - Test: Introduction to 8085 & Its Functional Organisation

Test: Introduction to 8085 & Its Functional Organisation for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Test: Introduction to 8085 & Its Functional Organisation questions and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus.The Test: Introduction to 8085 & Its Functional Organisation MCQs are made for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Introduction to 8085 & Its Functional Organisation below.
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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 for Test: Introduction to 8085 & Its Functional Organisation - 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 for Test: Introduction to 8085 & Its Functional Organisation - 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 for Test: Introduction to 8085 & Its Functional Organisation - 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 for Test: Introduction to 8085 & Its Functional Organisation - 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 for Test: Introduction to 8085 & Its Functional Organisation - 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 for Test: Introduction to 8085 & Its Functional Organisation - 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 for Test: Introduction to 8085 & Its Functional Organisation - 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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