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Coa Qpaper

The document is an exam paper for a Computer Organization and Architecture course. It contains 8 questions related to computer hardware topics. Question 1 asks to draw a bus system diagram and explain register shifts. Question 2 asks to draw a control memory block diagram. Question 3 asks to perform binary arithmetic operations. Question 4 differentiates I/O methods and explains programmed I/O. Question 5 describes RISC characteristics and pipeline diagrams. Question 6 explains instruction cycles and specific instructions. Question 7 covers data manipulation instructions. Question 8 explains Booth multiplication.

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155 views1 page

Coa Qpaper

The document is an exam paper for a Computer Organization and Architecture course. It contains 8 questions related to computer hardware topics. Question 1 asks to draw a bus system diagram and explain register shifts. Question 2 asks to draw a control memory block diagram. Question 3 asks to perform binary arithmetic operations. Question 4 differentiates I/O methods and explains programmed I/O. Question 5 describes RISC characteristics and pipeline diagrams. Question 6 explains instruction cycles and specific instructions. Question 7 covers data manipulation instructions. Question 8 explains Booth multiplication.

Uploaded by

nsyadav8959
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Code No: 153AG

R18
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
B.Tech II Year I Semester Examinations, October - 2020
COMPUTER ORGANIZATION AND ARCHITECTURE
(Computer Science and Engineering)
JN

Time: 2 hours Max. Marks: 75


Answer any five questions
All questions carry equal marks
---
TU

1.a) Draw the bus system for four registers and explain.
b) An 8-bit register contains the binary value 10011100. What is the register value after an
Arithmetic Shift Right? Starting from the initial number 10011100, determine the register
H

value after an arithmetic Shift Left, and state whether there is an overflow. [7+8]

2. Draw block diagram of a control memory and the associated hardware needed for
U

selecting the next micro instruction address. [15]


SE

3. Perform the arithmetic operation (+42)+(-13) and (-42)-(-13) in binary using signed 2’s
complement representation for negative numbers. [15]

4.a) Differentiate between Isolated I/O and memory-mapped I/O.


D

b) Explain programmed-I/O in detail. [8+7]

5.a) Write the major characteristics of RISC processors.


10

b) Draw a space-time diagram for a four-segment pipeline showing the time it takes to
process six tasks and explain. [7+8]

6.a) Draw the flowchart for instruction cycle and explain.


-1

b) Explain the following instructions: BUN, ISZ, BSA, LDA, STA. [7+8]
1-

7. Explain various Data Manipulation instructions with examples. [15]

8. With an example, explain Booth Multiplication algorithm. [15]


20

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20
AM

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