Microprocessor and Microcontrollers (April – 2015) [IDOL - Revised Course | Question Paper]

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B.Sc.IT: Semester – II

[Microprocessor and Microcontrollers]

Question Paper (April – 2015) [Revised Course]

Time: 3 Hours
Total Marks: 100

N.B.:   (1) All Questions are Compulsory.

Q.1 Attempt Both The Question: (10 Marks)

(A) Explain Basic Organization of Microprocessor Based System.

(B) Draw Pin Out Diagram of 8051. Explain briefly.

Q.2 Attempt Any Three From The Following: (15 Marks)

(A) Describe Chip Select Logic using gates with suitable example.

(B) Explain different types of Semiconductor Memory.

(C) What is latch? Describe its function.

(D) Write a 8085 program to suitable to subtract two numbers.

Q.3 Attempt Any Three From The Following: (15 Marks)

(A) Differentiate between SRAM and DRAM.

(B) Explain Architecture of Intel 8085 with diagram.

(C) Explain Flag Registers in 8085.

(D) Differentiate between Memory Mapped I/O and I/O Mapped I/O.

Q.4 Attempt Any Three From The Following: (15 Marks)

(A) Explain Addressing Modes of 8085.

(B) Explain different types of buses in 8085 microprocessor.

(C) Explain the following instructions:

      (i) MVI A, 20H

      (ii) SUB M

      (iii) OUT 01H

      (iv) STAX B

      (v) CMA

(D) Explain Arithmetic and Logical Instructions using suitable example.

Q.5 Attempt Any Three From The Following: (15 Marks)

(A) Explain the function of Modern Day Computer System with diagram.

(B) Define PCI Bus with its features.

(C) What is Cache Memory? Why it is needed?

(D) Explain RAID 0 level with advantages & disadvantages.

Q.6 Attempt Any Three From The Following: (15 Marks)

(A) Write a short note on PSW Register in 8051.

(B) Explain the features of 8051 Micro-Controller.

(C) Explain the operations of Stack Pointer in 8051.

(D) Explain the concept of SFR in the 8051.

Q.7 Attempt Any Three From The Following: (15 Marks)

(A) Explain the function of Assembler, Complier, Linker, Loader & Assembler Directive.

(B) Explain 8051 Architecture in brief with diagram.

(C) Explain various Addressing Modes in 8051.

(D) Write a program to multiply content of register R1 and Register B and Store the result in register 53 and 54 H Memory.

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