Download PTU MCA 2020 March 1st Sem 72709 Computer Organization And Assembly Language Question Paper

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Roll No. [T TTTTTT] [ ] Total No. of Pages : 02

Total No. of Questions : 09

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MCA (2015 to 2018) (Sem.-1)

COMPUTER ORGANIZATION AND ASSEMBLY LANGUAGE

Subject Code : MCA-103

M.Code : 72709

Time : 3 Hrs. Max. Marks : 60

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INSTRUCTIONS TO CANDIDATES :

1. SECTIONS-A, B, C & D contains TWO questions each carrying TEN marks each and students have to attempt any ONE question from each SECTION.
2. SECTION-E is COMPULSORY consisting of TEN questions carrying TWENTY marks in all.

SECTION-A

1. What is instruction format? Describe the general register organization in detail.

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2. a) Discuss the design of adder and logic unit.
   b) Explain RISC and CISC architectures in detail.

SECTION-B

1. a) What is arithmetic and instruction pipelining? Explain by taking example.
   b) Explain asynchronous data transfer in I/O organization.

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2. a) What is meant by interrupt cycle? Explain.
   b) What is Programmed I/0? Explain.

SECTION-C

1. a) Differentiate direct mapping and set-associative mapping.
   b) What is meant by cache coherence? Discuss the use.

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2. What is meant by memory protection? Explain the use of levels of cache in memory management.

SECTION-D

1. What is meant by hypercube interconnection? Why is it required? Explain.
2. a) Define multistage switching network.
   b) Discuss different logical instructions available in assembly language programming.

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SECTION-E

1. Write briefly :
   1. Comment on reverse polish notation.
   2. Define the term “Basic Computer Organization”.
   3. What is meant by control word?
   4. Define the term vector processing.

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   5. Discuss briefly synchronous data transfer.
   6. What is DMA controller?
   7. What is Address Space?
   8. What is crossbar switch?
   9. Write two machine control instructions of assembly language.

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   10. Discuss the use of Instruction Register.

NOTE : Disclosure of Identity by writing Mobile No. or Marking of passing request on any paper of Answer Sheet will lead to UMC against the Student.

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