Download "Computer Science - Theory Computer Organization and Architecture" Question Paper PDF of B.Sc. 4th Semester Previous Years Paper for Students.

B.Sc. (General) 4 Semester
Computer Science 
Paper: A04-Theory Computer Organization and Architecture

Time Allowed: Three Hours] [Maximum Marks: 65

Note: - Attempt one question each from Sections A, B, C, and D and compulsory question in section E.

SECTION—A 

1. (a) How information is represented through Number System? Explain integer and floating-point representation. 

(b) What is the Hamming Code? Explain how information is coded through it?

2. (a) Explain any two error-detection codes. 

(b) Convert (20.578), (), + () (11.0111), - (10-01)

SECTION-B 

3. (a) Draw the difference between Encoders and Decoders. 

(b) How instruction is executed through its Cycle? Explain.

4. (a) What is Flip-flop? How J-K flip flop works?

(b) Explain various types of interrupts in detail.

SECTION-C 

5. (a) Define microprocessor. Explain 8086 model in detail.

(b) Draw difference between machine and assembly language.

6. (a) Explain any three addressing modes. 

(b) Write an assembly program to perform addition and subtraction. 

SECTION-D 

7. (a) Explain Physical Inspection and diagnostics for PC. 

(b) Explain various types of computer viruses in detail along with their detection.

8. (a) Define peripheral device. Explain any two of your choice.

(b) Give a functional description of any two internal and any two external cards of PC.

SECTION-E

(Compulsory Question) 

9. Explain: 

(a) Character Codes

(b) Multiplexer

(c) Bus 

(d) Pseudo Instruction 

(e)Installing Software 

(f) Any three 8086/8088 instructions.