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FIFTH SEMESTER U.G. DEGREE EXAMINATION, NOVEMBER 2021
(CUCBCSS—UG)
Computer Science
BCS 5B 08—COMPUTER ORGANIZATION AND ARCHITECTURE
(2014 Admissions)
Time : Three Hours Maximum : 80 Marks
Part A

Answer all questions.
Each question carries 1 mark.

1. Name the component of a computer instruction that specify the operation for specific instructions.
2. Name the instruction which increments the word determined by effective address.

3. Ifthe control signals are generated by combinational logic, then they are generated by a type of
controlled unit.

4. Find the l’s compliment of ‘0001’.
5. Special type of memory that is optimized for performing searches through data is
6. Name the storage device which uses laser beams to read and write data.

7. ————————— is the series of microchips that helps in the communication of data between mother
board and CPU.

8. ————————— is used to transfer information between internal storage and external I/O devices.
9. Name the architecture which is capable of executing multiple instructions on multiple data sets.
10. The small, extremely fast RAM’s all called as 5
(10 x 1= 10 marks)
Part B

Answer all questions.
Each question carries 2 marks.

11. What is direct addressing mode ?

12. What are peripheral devices ? Give examples.

Turn over

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