Download JNTUH MCA 1st Sem R15 2021 July-August 821AB Computer Organization Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 1st Sem (First Semester) Regulation-R15 2021 July-August 821AB Computer Organization Previous Question Paper

R15

Code No: 821AB















2021

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA I Semester Examinations, July/August - 2021

COMPUTER ORGANIZATION

Time: 3 Hours















Max.Marks:75

Answer any five questions

All questions carry equal marks



- - -





1.a)

Apply Booth's algorithm to multiply 10101 with 10010.

b)

Convert the following numbers decimal numbers to binary and octal:







i) 2315

ii) 517















[7+8]


2.

Draw the block diagram of content addressable memory and explain the logic of read
and write operations.















[15]


3.a)

Give an example for illustrating Indexed and Base register addressing modes.

b)

Explain various arithmetic instructions of 8086 processor.





[7+8]


4.

Describe the functionality and need of DMA controller.







[15]


5.

Draw the four-segment instruction pipeline flowchart and timing diagram. Explain the
same.



















[15]





6.

Depict the flowchart for adding and subtracting numbers in signed-2's complement
notation and explain the same with an example.









[15]



7.a)

What is the need of cache memory? Explain its characteristics.

b)

Consider a 2-way set associative cache with 64 blocks and a block size of 16 bytes. To
which set number does byte address 1200 map?









[7+8]


8.

List and explain various interrupts and process control instructions with examples for
each.



















[15]





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