Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 1st Sem (First Semester) Regulation-R13 2020 January 811AB Computer Organization Previous Question Paper
R13
Code No: 811AB
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA I Semester Examinations, January - 2020
COMPUTER ORGANIZATION
Time: 3hrs
Max.Marks:60
S
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
5 ? 4 Marks = 20
1.a)
Convert the decimal number 5647 to i) BCD ii)Excess-3 code.
[4]
b)
What is locality of reference?
[4]
c)
Discuss the function of instruction queue in 8086.
[4]
d)
What is the need for DMA transfer?
[4]
e)
What are instruction hazards?
[4]
PART - B
5 ? 8 Marks = 40
2.
Simplify the Boolean expression using K-MAP
F(A,B,C,D) = m(1,2,3,8,9,10,11,14) +d(7,15).
[8]
OR
3.
Design the combinational circuit of Binary to Excess-3 code convertor.
[8]
4.
Discuss about direct and set-associative mapping with examples.
[8]
OR
5.
A two way set associative cache memory uses blocks of four words. The cache can
accommodate a total of 2048 words from the main memory. The main memory size is
128 K*32.
a) Formulate all pertinent information required to construct the cache memory.
b) What is the size of the cache memory?
[8]
6.
Explain in detail the register organization of 8086.
[8]
OR
7.
Write an assembly language program to concatenate two strings.
[8]
8.
Describe in detail about IOP Organization.
[8]
OR
9.a)
Discuss the differences between subroutine and interrupt service routines.
b)
Discuss the design of a typical input or output interface.
[8]
10.a) Describe in detail about pipeline processing.
b) Explain in detail about data hazards.
[8]
OR
11.
Describe the architecture of a shared memory multiprocessor.
[8]
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This post was last modified on 16 March 2023