Gujarat Technological UniversityWinter 2023 examination

GTU 3140707 Computer Organization & Architecture (COA) Winter 2023 Question Paper & PDF

B.E. · Computer Engineering · Semester 4 · Subject code 3140707
Download official PDFView PDF here
Share with your class
Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 10:30 AM – 1:00 PM
Questions
5 with internal choice
No solutions on this paper yetNeed them for your exam? Ask once. Papers that students ask for are solved first, and we aim to add them within 24 hours.

6 of 25 questions on this paper were also asked in other years. Each is marked below with the years it appeared.See all 37 repeated 3140707 questions, most asked first

Q.1

14 Marks
(a)
3 marks
Draw the block diagram of a hypothetical basic computer.
(b)
4 marks

Show different ways to represent fixed-point positive integers including zero.

(c)
7 marksAsked in 3 of 7 papers

Explain using flowchart the working of Booth’s multiplication algorithm of signed-2’s complement numbers.

Also asked in Summer 2026 Q5b OR, Winter 2025 Q4c

Q.2

14 Marks
(a)
3 marksAsked in 4 of 7 papers
Which address sequencing capabilities are required in a control memory?

Also asked in Winter 2025 Q3b OR, Summer 2025 Q4a OR, Winter 2024 Q3b

(b)
4 marks
Explain any four Arithmetic operations carried out by ALU.
(c)
7 marksAsked in 2 of 7 papers
Discuss various memory hierarchies.

Also asked in Summer 2023 Q4a OR

(c)
7 marksAsked in 2 of 7 papers

Explain the concept of Address Translation and working of the Translation Look-Aside Buffer.

Also asked in Summer 2024 Q4c OR

Q.3

14 Marks
(a)
3 marks
Discuss the importance of “control word” in a processor.
(b)
4 marks
Justify the use of STA instruction in assembly program with an example.
(c)
7 marks
Apply J K flip-flops to design a 3-bit synchronous binary counter.
(a)
3 marks
Analyze the 20-bits microinstruction code format with 7 bit used for address.
(b)
4 marks

Apply BUN instruction in assembly program that needs to use a looped sub- routine to check a flag.

(c)
7 marksAsked in 2 of 7 papers

Apply the combinational circuits to design a 4-bit adder/subtracter circuit which performs subtraction using 2’s complement.

Also asked in Winter 2024 Q2a

Q.4

14 Marks
(a)
3 marks

Calculate and show the number of clock cycles required to execute BSA instruction.

(b)
4 marks

Write assembly program for the arithmetic shift-left operation on a number stored in register B. Stop the program in case of overflow.

(c)
7 marks

What is the fundamental difference between a subroutine call and an interrupt request? Analyze the possibility of common memory stack for both.

(a)
3 marks
Show the working of LDA instruction using RTL.
(b)
4 marks

Write a program in assembly language to multiply two numbers in registers B and C in case the processor has only ADD instruction.

(c)
7 marks

A subroutine return address can be stored in an index register instead of a stack. Analyze the advantages and disadvantages of both configurations.

Q.5

14 Marks
(a)
3 marks

A RAM operates with 8-bit data bus, 2 chip select lines and 7-bit address lines. Calculate the number of such RAM chips required to have 512 bytes of main memory.

(b)
4 marks

An address space is specified by 24 bits and the corresponding memory space by 16 bits. How many words are there in the address space and in the memory space?

(c)
7 marks

Discuss various Dynamic Arbitration Algorithms for Interprocessor Arbitration.

(a)
3 marks

Calculate the size of a ROM chip which operates using 8-bit data bus, two chip select lines and 9-bit address bus.

(b)
4 marks

How many 128 x 8 RAM chips are needed to provide a memory capacity of 4096 bytes?

(c)
7 marksAsked in 2 of 7 papers
Discuss in brief the interconnection structures of a multiprocessor system.

Also asked in Winter 2024 Q5c

More Computer Organization & Architecture papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Preparing with friends?

Send this paper to your class group. Every question has its own link.

About this paper

Official Gujarat Technological University (GTU) examination paper for Computer Organization & Architecture (COA) (Winter 2023, B.E. · Computer Engineering, Sem 4). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

ViewDownload PDF