COA PYQ 2019-20 AKTU Question Paper

AKTU · BTECH · Semester 3 · Computer Organization and Architecture · Session 2019-20 · PYQ

AKTU Computer Organization and Architecture previous year question paper 2019-20 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 2019-20

  1. Q1a. Define the term Computer Architecture. (2 marks, 2019-20)
  2. Q1b. Draw the basic functional units of a computer. (2 marks, 2019-20)
  3. Q1c. Perform the 2's complement subtraction of smaller number (101011) from larger number (111001). (2 marks, 2019-20)
  4. Q1d. What is the role of Multiplexer and Decoder? (2 marks, 2019-20)
  5. Q1e. Write the differences between RISC and CISC. (2 marks, 2019-20)
  6. Q1f. What are the types of microinstructions available? (2 marks, 2019-20)
  7. Q1g. What is SRAM and DRAM? (2 marks, 2019-20)
  8. Q1h. What is the difference between 2D and 2^1/2 D memory organization? (2 marks, 2019-20)
  9. Q1i. What is I/O control method? (2 marks, 2019-20)
  10. Q1j. What is bus arbitration? (2 marks, 2019-20)
  11. Q2a. Convert the following arithmetic expressions from infix to reverse polish notation: i. A*B+C*D+E*F ii. A*[B+C*CD+E]/(G+H) (10 marks, 2019-20)
  12. Q2b. Design a 4-bit Carry-Look ahead Adder and explain its operation with an example. (10 marks, 2019-20)
  13. Q2c. i. Draw the timing diagram for a instruction cycle and explain. ii. Give a note on subroutine. (10 marks, 2019-20)
  14. Q2d. What do you mean by virtual memory? Discuss how paging helps in implementing virtual memory. (10 marks, 2019-20)
  15. Q2e. What is DMA? Describe how DMA is used to transfer data from peripherals. (10 marks, 2019-20)
  16. Q3a. Describe in detail the different kinds of addressing modes with an example. (10 marks, 2019-20)
  17. Q3b. Discuss stack Organization. Explain the following in details- (i) Register stack (ii) Memory stack (10 marks, 2019-20)
  18. Q4a. Represent the following decimal number in IEEE standard floating-point format in a single precision method (32-bit) representation method. i. (65.175)10 ii. (-307.1875)10 (10 marks, 2019-20)
  19. Q4b. Using Booth algorithm perform the multiplication on the following 6-bit unsigned integer 10110011 * 11010101 (10 marks, 2019-20)
  20. Q5a. What is parallelism and pipelining in computer Architecture? (10 marks, 2019-20)
  21. Q5b. Explain the organization of Microprogrammed control unit in detail. (10 marks, 2019-20)
  22. Q6a. Discuss the different mapping techniques used in cache memories and their relative merits and demerits. (10 marks, 2019-20)
  23. Q6b. RAM chip 4096 * 8 bits has two enable lines. How many pins are needed for the integrated circuits package? Draw a block diagram and label all input and outputs of the RAM. What is main feature of random-access memory? (10 marks, 2019-20)
  24. Q7a. Write down the difference between isolated I/O and memory mapped I/O. Also discuss advantages and disadvantages of isolated I/O and memory mapped I/O. (10 marks, 2019-20)
  25. Q7b. i. Discuss the design of a typical input or output interface. ii. What are interrupts? How are they handled? (10 marks, 2019-20)

AKTU paper codes: BCS302, KCS302, BCS302H, KCS302H

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