COA PYQ 2020-21 AKTU Question Paper

AKTU · BTECH · Semester 3 · Computer Organization and Architecture · Session 2020-21 · PYQ

AKTU Computer Organization and Architecture previous year question paper 2020-21 for B.Tech Semester 3. Covers Introduction & Processor Organization…

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Computer Organization and Architecture AKTU syllabus

  1. Unit 1: Introduction & Processor Organization
  2. Unit 2: Arithmetic & Logic Unit
  3. Unit 3: Control Unit & Pipelining
  4. Unit 4: Memory
  5. Unit 5: Input / Output Organization

Questions in Computer Organization and Architecture AKTU PYQ 2020-21

  1. Q1a. Define the term Computer architecture and Computer organization. (2 marks, 2020-21)
  2. Q1b. What is mean by bus arbitration? List different types of bus arbitration. (2 marks, 2020-21)
  3. Q1c. Discuss biasing with reference to floating point representation. (2 marks, 2020-21)
  4. Q1d. What is restoring method in division algorithm? (2 marks, 2020-21)
  5. Q1e. Define micro operation and micro code. (2 marks, 2020-21)
  6. Q1f. Write short note on RISC. (2 marks, 2020-21)
  7. Q1g. Define hit ratio. (2 marks, 2020-21)
  8. Q1h. What do you mean by page fault? (2 marks, 2020-21)
  9. Q1i. Explain the term cycle stealing. (2 marks, 2020-21)
  10. Q1j. What do you mean by vector interrupt? Explain. (2 marks, 2020-21)
  11. Q2a. i. Draw a diagram of bus system using MUX which has four registers of size 4 bits each. ii. Evaluate the arithmetic statement. X = A + B * [C * D + E * (F + G)] using a stack organized computer with zero address operation instructions. (10 marks, 2020-21)
  12. Q2b. Explain in detail the principle of carry look ahead adder and design 4-bit CLA adder. (10 marks, 2020-21)
  13. Q2c. Draw the flowchart for instruction cycle with neat diagram and explain. (10 marks, 2020-21)
  14. Q2d. Discuss 2 D RAM and 2.5D RAM with suitable diagram. (10 marks, 2020-21)
  15. Q2e. Draw and explain the block diagram of typical DMA controller. (10 marks, 2020-21)
  16. Q3a. An instruction is stored at location 400 with its address field at location 401.The address field has the value 500.A processor register R1 contains the number 200. Evaluate the effective address if the addressing mode of the instruction is (i) direct (ii) immediate (iii) relative (iv) register… (10 marks, 2020-21)
  17. Q3b. What do you mean by processor organization? Explain various types of processor organization. (10 marks, 2020-21)
  18. Q4a. Show the systemic multiplication process of (20) X (-19) using Booth’s algorithm (10 marks, 2020-21)
  19. Q4b. Explain IEEE standard for floating point representation. Represent the number (-1460.125)10 in single precision and double precision format. (10 marks, 2020-21)
  20. Q5a. What is a micro program sequencer? With block diagram, explain the working of micro program sequencer. (10 marks, 2020-21)
  21. Q5b. Differentiate between hardwired and micro programmed control unit. Explain each component of hardwired control unit organization. (10 marks, 2020-21)
  22. Q6a. Calculate the page fault for a given string with the help of LRU & FIFO page replacement algorithm, Size of frames = 4 and string 1 2 3 4 2 1 5 6 2 1 2 3 7 6 3 2 1 2 3 6 (10 marks, 2020-21)
  23. Q6b. A computer uses RAM chips of 1024*1 capacity. i) How many chips are needed & how should their address lines be connected to provide a memory capacity of 1024*8? ii) How many chips are needed to provide a memory capacity of 16 KB? (10 marks, 2020-21)
  24. Q7a. What do you mean by asynchronous data transfer? Explain strobe control and hand shaking mechanism. (10 marks, 2020-21)
  25. Q7b. Discuss the different modes of data transfer. (10 marks, 2020-21)

AKTU paper codes: BCS302, KCS302, BCS302H, KCS302H

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