Download GTU BE/B.Tech 2019 Summer 4th Sem New 2140707 Computer Organization Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 4th Sem New 2140707 Computer Organization Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2140707 Date:17/05/2019
Subject Name: Computer Organization
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.


MARKS

Q.1 (a) What is Tri-State buffer? Why it is useful to form a bus system? 03
(b) Explain LDA and STA instructions with its micro-operations with
relevant D and T notations.

04
(c) Draw and explain second pass of assembler with its flow chart. 07

Q.2 (a) In zero-address instructions format, how data from memory is
accessed? Explain with example.
03
(b) Draw and explain 4-segment pipeline with space-time diagram. 04
(c) Draw flowchart for instruction cycle and explain it. 07
OR
(c) Write an assembly language program to multiply two positive
numbers.
07
Q.3 (a) What do you mean by instruction set completeness? Explain. 03
(b) Draw and explain 20 bits microinstruction code format. 04
(c) Explain RISC and CISC processor. 07
OR
Q.3 (a) Explain arithmetic shift left operation. Describe how overflow is
handled.
03
(b) Explain DMA with diagram. 04
(c) Explain three-address, two-address and one-address instructions
with example.
07
Q.4 (a) Explain instructions:- BSA, ISZ, SZE 03
(b) Explain overlapped register windows. 04
(c) Explain Booth?s algorithm with flowchart. 07
OR
Q.4 (a) What is register stack? Explain Push operation. 03
(b) List addressing modes and explain any two of them. 04
(c) Explain BCD adder with diagram. 07
Q.5 (a) Explain daisy chain arbitration. 03
(b) Differentiate between tightly coupled and loosely coupled systems. 04
(c) Explain paging and address translation with example. 07
OR

Q.5 (a) What is cache coherence? Explain in brief. 03
(b) What is cache memory? Explain how it enhances speed of accessing
data?
04
(c) What is asynchronous data transfer? Differentiate between strobe
control method and handshaking method.
07

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