Microprocessor | Question Papers | CTEVT

 Here you'll provided you the question papers of Microprocessor of 3rd semester - Diploma in Computer engineering - CTEVT

Microprocessor |Question Paper 2076:

Microprocessor |Question Paper 2078:

Microprocessor |Question Paper 2073:

1. (a) Different between Analog & Digital computer and explain Microprocessors             & microcontroller. [8]

    (b) What is addressing mode? Expalin the addressing modes in 8085 with                      suitable example. [8]
2. (a) Draw the neat and clean internet architecture of 8085 and explain briefly.                 [6+10]
3. (a) Write an assembly language program: Add two 8-bits numbers 09H and 04H         and the substract with 33H and store result in memory location 2073H. [8]
    (b) Write a program to add ten numbers in consecutive momory location starting         from 4081H and display the result in two output ports. [8]
4. (a) Draw the timing diagram of memory read cycle in 8085 and explain in detail.         [8]
    (b) Define the Unique address decoding. Interface 8 KB ROM Memory with                 8085 microprocessor. [2+6]
5. (a) What is DMA? Explain about the operating DMA in detail. [2+6]
    (b) Differentiate between maskable and non-maskable interrupt. Explain about             the vectored interrupt. [4+4]
6. Write short notes on: Any Four [4x4=16]

1.  SAP-1, SAP-2, SAP-3 computer
2. Stack and subroutine
3. Interfacing I/O devices
4. 8251 USART
5. Instruction set
6. Von-Neumann's Architecture

Best Of Luck👍

Microprocessor |Question Paper 2069:

1. (a) What is microprocessor? Briefly describe the stored program concept and             von.Neumann's architecture. [2+6=8]

    (b) Define register. What do you understand by 3-bus architecture in 8085µ?                 Explain diagram. [2+6=8]

2. (a) What is machine cycle? Draw and explain the timing diagram for opcode             fetch cycle of opcode fetch cycle of 8085. [2+6=8]

    (b) What is addressing mode? Explain its types with suitable example. [2+6=8]

3. (a) Specify the output and write comments for each instruction. [2+6=8]

     MVI A, 00H
     MVI B, 09H
 Label 1: MOV C, B
 Label 2: ADDB
     DCRC
     JNZ label 2
     DCR B
     INZ label 1
     OUTPORT 1
     HLT

(b) Write an assembly language program to perform the following task. [8]
         - Load register A with 10H and ADD 20H from it.
         - Divide the result by 2 and store the result in accumulator.
4. (a) Why do we need address decoding? Explain any one of the types of address decoding method with necessary diagram. [2+6=8]

(b) Define interfacing devices. Interface 8 kb x 8 ROM to 8085μ. [2+6=8]
5. (a) Differentiate between maskable and non-maskable interrupt. Explain the pulled interrupt with diagram. [3+5=8]
    (b) Define instruction set. Draw the block diagram of 8251 (programmable communication interfaces) and explain it short. [2+6=8]

6. Write short notes on: Any Four [4x4=16]

1.  Analog and digital computer
2. Stack pointer and subroutine
3. Flag register
4. Internal memory structure
5. Memory and its types
6. Direct Memory Access (DMA)

Best Of Luck👍