Download AKTU B-Tech 4th Sem 2015-16 EEC 402EC Computer Architecture And Organisation Question Paper

Printed Pages: 3 EEC-402/EC-403(MTU)

(Following Paper ID and Roll No. to be filled in your Answer Books)

Paper ID : 131402 Roll No.

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B.TECH.

Theory Examination (Semester-IV) 2015-16

COMPUTER ARCHITECTURE AND ORGANISATION

Time : 3 Hours Max. Marks: 100

Section-A

1. Attempt all parts of the following (10×2 = 20)
   1. What, in general terms, is the distinction between computer organization and computer architecture?

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   2. List and briefly define the four main components of a general purpose computer.
   3. Draw the Von Neumann architecture.
   4. Briefly define an embedded system with help of an example.
   5. Represent (128.25)₁₀ in double precision.
   6. Define ROM, PROM, EPROM, EEPROM.

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   7. Draw the ARM cache organization.
   8. What are the advantages of using a glass substrate for a magnetic disk?
   9. List the key services provided by an Operating system.
   10. What are the four essential elements of a number in floating-point notation.

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Section-B

Attempt any five Parts of the following: [5×10=50]

1. Explain in detail, how data is written onto and read from a magnetic disk?
2. List and explain the major types of Operating System scheduling.
3. What is RAID ? Explain the seven RAID levels in detail.
4. Evaluate the Hamming code for a four bit message word 1101. Also show how a single error be detected if there occurs an error in the fourth bit of the generated hamming code.

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5. What is an operating system? Explain the different categories of Operating System. Explain the major functions of an I/O module?
6. Explain the difference between the programmed I/O and interrupt driven I/O.
7. Explain the cache memory principle using three level cache organizations.
8. What is the purpose of a translation lookaside buffer?
9. Explain DMA.

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Section-C

Attempt any two questions. (2×15=30)

1. Explain direct mapping, associative mapping, and set associative mapping? What is the benefit of using a multiple-bus architecture compared to a single-bus architecture?
2. What is the difference between a process and a program? Is it necessary for all of the pages of a process to be in main memory and in sequential order?
3. Explain in detail:
   1. PCI
   2. ALU

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   3. Microcontroller families

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