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Code No: 811AB R13
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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA I Semester Examinations, August - 2017
COMPUTER ORGANIZATION
Time: 3hrs Max.Marks:60
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Note: This question paper contains two parts A and B.Part A is compulsory which carries 20 marks. Answer all questions in Part A.
Part B consists of 5 Units. Answer any one full question from each unit. Each
question carries 8 marks and may have a, b, c as sub questions.
PART - A
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5 x4 Marks =20- a) What is the use of K-map? Give example. [4]
b) What is ROM? List and explain different types of ROM. [4]
c) Define interrupt. How are interrupts handled? [4]
d) What is the difference between memory mapped I/O and isolated I/O? [4]--- Content provided by FirstRanker.com ---
e) What is an Inter process communication? How multiprocessors communicate each other? [4]
PART -B
5 x 8 Marks = 40
- What do you mean by decoder? Explain about three-eight- line and two-four-line decoders with their logic diagrams and truth tables. [8]
OR - a) What is a flip-flop? List and explain some of the flip-flops.
b) What is shift register? Explain bidirectional shift register with parallel load.[4+4] - Explain in detail about memory connection to CPU. [8]
OR - Write short notes on:
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a) Direct mapping
b) Set-associative mapping. [4+4] - Explain different data transfer instructions for 8086 microprocessor. [8]
OR - Discuss about assembler directives. [8]
- Discuss about programmed I/O and interrupt driven I/O. [8]
OR - Explain briefly about priority interrupts. [8]
- Write short notes on:
a) RISC pipeline--- Content provided by FirstRanker.com ---
b) Vector processing. [4+4]
OR - Explain the concept of pipelining. [4+4]
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