B.TechSemester 32023-24Computer Organization And ArchitectureBCS302
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Computer Organization And Architecture (BCS302) - AKTU Question Paper 2023-24

B.Tech · Semester 3 · Free PDF Download

This is the official AKTU Computer Organization And Architecture Previous Year Question Paper for B.Tech Semester 3, academic session 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 3
Session:2023-24
University:AKTU / UPTU

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Questions Asked in 2023-24

Computer Organization And Architecture (BCS302) — complete question paper · 70 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f .
  • a
    What are the different types of Buses used in computer architecture? 2
  • b
    Name the different types of multipliers. 2
  • c
    What are the different phases of an instruction cycle? 2
  • d
    How does control unit of a computer works? 2
  • e
    Write a short not on locality of reference. 2
  • f
    Define 2 ½ D memory organization. 2
  • g
    In what way synchronous and async hronous serial modes of data transfer differ? 2
Section BAttempt any three o f t h e f o l l o w i n g :
  • a
    What is meant by the term BUS arbitration? Why is it needed? How can bus arbitration be implemented in Daisy changing scheme?
  • b
    Show the multiplication proces s using Booth’s algorithm when the following numbers are multiplied
  • c
    What is pipelining? What are the different stages of pipelining? Explain in detail. 7
  • d
    Give classification of memory based on the method of access. Also discuss construction and working of magnetic disk and various components of disk access time
  • e
    What are the basic difference s between interrupt initiated I / O a n d p r o g r a m m e d I/O? Explain in detail
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 7 x 1 = 7
  • a
    What do you mean by processor organization? Explain various types of processor organization with suitable example
  • b
    Differentiate between Memor y stack and register stack. 7
  • a
    Explain in detail the principle of carry looks ahead adder a nd design 4-bit CLA adder
  • b
    Represent the following decimal number in IEEE standard floa ting-point format in
  • a
    single precision method (32 bit) representation method
  • a
    Explain the different cycles of an instruction execution. 7
  • b
    Differentiate between hardwir ed and micro programmed control unit. Explain each component of hardwired control unit organization
  • a
    Consider a cache (M1) and memory (M2) hierarchy with followi ng characteristics: M1 : 16K word, 50 ns Access time M2 : 1M word, 400 ns Access time Assume 8-word cache blocks and set size 256 words with set associative mapping. (i) Show and explain the mapping between M2 and M1. (ii) Calculate the effective memor y access time with cache hit ratio=0.95
  • b
    Explain the direct mapping t echnique. Consider a digital com puter has a memory unit of 64k*16 and cache memory of 1k words. The cache uses direct mapping with 4 block size of four words. (i) How many bits are there in the tag, block and word fields of the address format? (ii) How many blocks can the cache accommodate?
  • a
    What do you mean by asynchronou s data transfer? Explain stro be control and handshaking mechanism
  • b
    Explain the various modes of data transfer and discuss direc t memory access mode in detail. Also explain how DMA is superior to other modes

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

Repeated Questions — BCS302

Questions that appeared in more than one session, found by comparing 3 years of Computer Organization And Architecture papers (2023-24, 2024-25, 2025-26)

2x

What are the different types of Buses used in computer architecture? 2

Appeared in: 2023-24 · 2025-26

Computer Organization And Architecture — Other Year Papers

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Syllabus & More PYQs

Paper solve karne se pehle unit-wise syllabus dekh lo

📘 Computer Organization and Architecture — Unit-wise SyllabusBCS302AKTU 2nd Year SyllabusAKTU 2nd Year PYQs — All BranchesCSE 2nd Year Syllabus