Microprocessor System, Question Paper of Bsc.IT 4th Semester, Download Previous Years Question Paper 3

Roll No. .................

Total No. of Questions : 07

B.Sc. (IT) (Sem.–4)

MICROPROCESSOR SYSTEM

Subject Code : BS-206

Paper ID : [B0415]

INSTRUCTION TO CANDIDATES :

1. SECTION-A is COMPULSORY consisting of TEN questions carrying

TWO marks each.

2. SECTION-B contains SIX questions carrying TEN marks each and students

has to attempt any FOUR questions.

SECTION-A

l. Answer briefly :

i. Differentiate between machine language and assembly language.

ii. Convert the following BCD number into Decimal number :

a. 10001001

b. 00001001

iii. Convert the following Decimal number into Hexadecimal number :

a. 0.625

b. 0.75

iv. Write two instructions each using register addressing.

v. What is meant by short & long jump?

vi. What is pseudo code?

vii. Differentiate between real and virtual memory.

viii. What are RIM and SIM instructions?

ix. What is BCD system? Where it is used?

x. What is shift register?

SECTION-B

2. Classify 8085 instructions in various groups. Give examples of instructions

for each group.

3. Discuss instruction cycle, machine cycle and state.

4. Explain what subroutine is. What instruction is used to call a subroutine?

5. Write an assembly level language program for 8-bit multiplication, product

being of 16 bits.

6. Explain the block diagram of Intel 8085.

7. Write a program that reads in two consecutive words starting at memory

location 20FFH, ORs the two words, ANDs the result with 55H and

then store the result in memory location 3077H.