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Posted By: India Member Level: Diamond Posted Date: 19 Jan 2008
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2007 Jawaharlal Nehru Technological University B.Tech I Year Introduction to Computers(RR-Set 4-Aug / Sep'2007-Sup) Question paper
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Code No: RR10106 Set No. 4
I B.Tech Supplimentary Examinations, Aug/Sep 2007
INTRODUCTION TO COMPUTERS
( Common to Civil Engineering, Mechanical Engineering, Chemical
Engineering, Mechatronics, Metallurgy & Material Technology, Production
Engineering, Aeronautical Engineering and Automobile Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
1. (a) What is a microprocessor? Give some examples?
(b) Distinguish between the following:
i. Line printer and Laser printer
ii. Floppy disk and Hard disk
iii. Address bus and Control bus [4+12]
2. (a) What is real time operating system? Give an example.
(b) Distinguish between multitasking and multiprocessor operating systems.
(c) Convert the following numbers into octal. [4+4+8]
i. 7F9C.1C16
ii. 87BC.A116
3. (a) Differentiate between:
i. Algorithm and Flowchart
ii. Syntax error and Logical error.
(b) Write an algorithm to generate prime numbers between the two given limits.
[8+8]
4. (a) Explain call by value and call by reference with examples.
(b) Write a C program to replace a particular word by another word in a given
string. [6+10]
5. (a) Write an algorithm for False Position method.
(b) Find the smallest positive root by Newton Raphson method for sin x - cosh x
+ 1=0. [8+8]
6. (a) Solve the system of equations using Gauss-Seidal method.
10X1 - 2X2 - X3 - X4 = 3
-2X1 + 10X2 - X3 - X4 = 15
-X1 - X2 + 10X3 - 2X4 = 27
-X1 - X2 - 2X3 + 10X4 = -9.
(b) Write an algorithm for Gauss - Jordan method. [8+8]
7. (a) Explain the difference between the forward difference table and backward dif-
ference table?
(b) Construct difference table for the following data: [6+10]
x 0.1 0.3 0.5 0.7 0.9 1.1 1.3
F(x) 0.003 0.067 0.148 0.248 0.370 0.518 0.697
And find F(0.6) using a cube that fits at x=0.3, 0.5, 0.7 and 0.9 using Newton’s
forward formula.
8. (a) Write an algorithm for implementing trapezoidal rule.
(b) A rocket is launched from the ground. Its acceleration measured every 5
seconds is tabulated below. Find the velocity and the position of the rocket
at t=40 seconds. Use trapezoidal rule. [8+8]
t 0 5 10 15 20 25 30 35 40
a(t) 40.0 45.25 48.50 51.25 54.35 59.48 61.5 64.3 68.7
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