Dr. A.P.J. Abdul Kalam University BE VI SEM (CS) Micro Processor and Interfacing [CS-601] June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Sixth Semester Examination, June-2021

Micro Processor and Interfacing [CS-601]

Branch: CSE

Time: 3:00 Hrs Max Marks 70

Note: 1. Attempt any five questions out of eight.

2. All question carry equal marks.

Q.1 (a) Discuss the evolution of Microprocessor?

(b) What is difference between microprocessor and microcomputer?

Q.2 (a)Draw a block diagram of microprocessor based system and explains the

function of each component?

(b) What are interfacing devices? Why they are needed.

Q.3 (a)What are the different addressing modes in 8085 microprocessor? Explain

with examples.

(b) Define following:

 (i) Stack (ii) Subroutines (iii) Macro

Q.4 (a) Draw and explain in brief Intel 8085 microprocessor architecture.

(b) Explain the Instruction set and addressing modes of 8085 microprocessor

with examples.

Q.5 (a) Explain briefly the architecture of 8086 microprocessor?

(b) Discuss the segmentation of memory in 8086 microprocessor?

Q.6 (a) Explain physical memory organization of 8086 microprocessor?

(b) Explain the Register organization of 8085 and explain typical application

of each register.

Q.7 (a) What is mean by microcontroller? Describe the Architecture of 8051

Microcontroller?

(b) Compare Microprocessor and Microcontroller? List the features of 8051

microcontroller.

Q.8 (a) What is nested interrupts? Name the five interrupt sources of 8051.

(b) Explain DMA controller in detail with neat block diagram.Why it is

needed?

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