Microprocessor and Microcontrollers (October – 2016) [IDOL - Revised Course | Question Paper]

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B.Sc.IT: Semester – II

[Microprocessor and Microcontrollers]

Question Paper (October – 2016) [Revised Course]

Time: 3 Hours
Total Marks: 100

N.B.:   (1)  All Questions from 1 to 7 are Compulsory.

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

(A) Explain Basic Organization of Microprocessor Based System.

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

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

(A) Write 8085 program to add two 8 bit numbers.

(B) Write a short note on Buffer.

(C) Explain the concept of Latch.

(D) Explain different types of Semiconductor Memory.

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

(A) Explain Architecture of Intel 8085 with diagram.

(B) What are the different types of 8085 System Bus?

(C) Explain two techniques of Memory Interfacing.

(D) Draw a Pin Diagram of 8085 & explain any 5 Pins in detail.

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

(A) Explain Addressing Modes of 8085.

(B) Explain Arithmetic and logical instructors using suitable example.

(C) Explain the following instructors:

      (i) MOV B, C

      (ii) INR M

      (iii) JMP 2001

      (iv) HLT

      (v) RAL

(D) Write an assembly program to find one’s complement of 8 bit number stored in B Register and store result back to register.

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 feed.

(C) Explain the concept of Cache Memory.

(D) What are the benefits of RAID?

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

(A) Draw pin out diagram of 8051. Explain briefly.

(B) Write a 8051 program to display multiplication of two 8 bit numbers on port 2.

(C) Explain the Flag Register of 8051 Microcontroller.

(D) Explain the function of Assembler, Compiler, Linker, Loader & Assembler Directive.

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

(A) Explain the role of Port 2 in 8051.

(B) Explain 8051 Architecture in brief with diagram.

(C) Explain the Immediate Addressing Mode in 8051.

(D) Explain the following instruction of 8051:

      (i) JNC Label

      (ii) PUSH Direct

      (iii) XCHA.R1

      (iv) RRC

      (v) ADDA, 40H

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