D 10590
D 10590
FIFTH SEMESTER U.G. DEGREE EXAMINATION, NOVEMBER 2021
(CBCSS-UG)
Computer Science
BCS 5B 07-COMPUTER ORGANIZATION AND ARCHITECTURE
(2019 Admissions)
Time: Two Hours Maximum: 60 Marks
Section A
Answer at least eight questions.
Each question carries 3 marks. All questions can be attended.
Overall Ceiling 24.
1. How do you represent positive and negative logic?
2. What are the characteristics of an AND gate? Explain the operation of an AND gate with
Logic diagram and Truth Table.
3. Draw the circuit diagram to show how a NAND gate can be used as a NOT gate.
4. Differentiate between the combinational circuits and sequential circuits.
5. Differentiate between an SR flip-flop and an SR latch.
6. What is a shift register?
7. Explain various phases in the instruction cycle of a basic computer.
8. What is control memory?
9. Describe in detail cache memory.
10. List out various data transfer modes in IO module.
11. Explain strobe and handshaking in detail.
12. Define Hit ratio.
(8 x 3 = 24 marks)
Section B
Answer at least five questions. Each question carries 5 marks.
All questions can be attended.
Overall Ceiling 25.
13. What are universal gates? Why they are so called? Explain with example.
14. Explain in detail, clock signals and triggering in sequential logic circuits.
15. What is counter? Explain synchronous counters with necessary diagram.
16. Describe in detail Input-output configuration of a basic computer.
17. Describe in detail basic computer instruction formats with example.
18. Describe various addressing modes.
19. Explain IO Bus and Interface module in detail.
(5 x 5 = 25 marks)
Section C
Answer any one question.
The question carries 11 marks.
20. What is combinational circuits? Explain any five with diagram and truth table.
21. Explain the organization of a micro programmed computer with a block diagram.
(1 x 11 = 11 marks)
നിങ്ങൾക്ക് ഉപകാരപ്പെട്ടെങ്കിൽ നിങ്ങളുടെ കൂട്ടുകാർക്ക് കൂടി ഷെയർ ചെയ്യുക
Share This
