Computer Architecture Old Question BCA 5th Semester

Hey are you looking for Computer Architecture Old Question BCA 5th Semester? Here our teams collect some old question from different university of Bachelor in Computer Application “BCA” 5th semester Computer Architecture subject.

 

Computer Architecture Old Question BCA 5th Semester:

Pokhara University

Level: Bachelor
Programme: BCA
Course: Computer Architecture
Year: 2019
Full Marks: 100
Pass Marks: 45
Time: 3 hrs.

1. a) What is computer organization? Describe the addressing modes use in computer (8 marks)

b) What is microoperations? Explain different shift microoperations used in computer with example. (7 marks)

2. a) Perform (4) * (-3) using Booth’s algorithm. (8 marks)

b) What is control memory? How microprogrammed control unit works? (7 marks)

3. a) What is control unit? Explain the inputs  and outputs of control unit. (8 marks)

b) What is memory hierarchy? Describe direct and set-associative mapping. (7 marks)

4. a) Explain different levels of RAID with their advantages and disadvantages. (7 marks)

b) How interrupt driven I/O is different from DMA? Describe the working mechanism of DMA. (8 marks)

5. a) Assume that pipeline has K=8 segment and executes N=100 tasks in sequence. Let the time taken to process a sub-operation in each segment in 30 sec. calculate the speed up ration in the pipeline.

b) Explain techniques of solving hazard on pipelining. (8 marks)

6. a) What is multiprocessor system? Describe the interconnection structures in multiprocessor. (8 marks)

b) Describe the hardware and software performance issues of multicore organization. (7 marks)

7. Write short notes on any two:

a) Design principles for modern system

b) Arithmetic pipelining

c) Multithreaded Architecture

 

Computer Architecture Old Question BCA 5th Semester:

Pokhara University

Level: Bachelor
Programme: BCA
Course: Computer Architecture
Year: 2018
Full Marks: 100
Pass Marks: 45
Time: 3 hrs.

 

  1. a) Define computer organization and architecture. Explain the instruction set used in IAS computer. (7 marks)
    b) What is register organization? Describe dataflow interrupt cycle and execute cycle with diagram (8 marks)
  2. a) Multiply tow number (3) * (-2) using Booth’s algorithm. (8 marks)
    b) Explain the details about hardwire and micro-programmed control unit with their applications. (7 marks)
  3. a) What is control unit? Describe the function  unit and control of the processor (8 marks)
    b) What is cache memory? Explain direct, Associative and set Associative mapping in cache memory. (7 marks)
  4. a) Write the difference between RAM and ROM (7 marks)
    b) What is I/O module? Explain the major function of an I/O module (8 marks)
  5. a) Assume that pipeline has K=6 segment  and executes N=150 tasks in sequence. Let the time taken to process a sub-operation in each segment in 50 sec. calculate the speed up ratio in the pipeline. (7 marks)
    b) What is pipeline hazard? Describe branch hazard with different resolution technique. (8 marks)
  6. a) What is parallel processing? How can we achieve parallelism in uniprocessor system? (8 marks)
    b) Explain Flynn’s classification. Explain software and hardware solutions for cache coherence. (7 marks)
  7. Write short notes on (Any Two)
    a) Arithmetic and Logical Micro Operation
    b) BCD Arithmetic Unit
    c) Power efficient processors. 

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