Jawaharlal Nehru Technological University Hyderabad 2003 B.Tech Production Engineering I Supplementary s, ember- INTRODUCTION TO COMPUTERS -university question paper

Code No.NR-10106
I B.Tech. Supplementary Examinations, November-2003
INTRODUCTION TO COMPUTERS
(Common to Civil Engineering, Mechanical Engineering, Production Engineering, Chemical Engineering, Mechatronics, Metallurgy and Material Technology and Aeronautical Engineering)
Time: three hours Max.Marks:80
ans any 5 ques.
All ques. carry equal marks
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1.a) What is the use of memory in a computer system?
b) Describe different kinds of memories
c) define the working principle of Keyboard. elaborate the advantages of mouse
over keyboard.

2. a) What is operating system?
b) Enumerate different features of real time operating system
c) Convert the subsequent numbers into octal
i) 11010.00110 ii) 01101.101110

3.a) Explain all the increment and decrement operations with examples.
b) Write a C program to evaluate the subsequent equation: area= Pi * r*r+2*pi*r*h

4.a) What is pointer? discuss advantages of pointers.
b) Write a C program to swap 2 values using pointers.
5.a) Write an algorithm for N - R method
b) Compute the real root of x log10x = 1.2 accurate to three decimal places using Newton Raphson method.

6.a) Solve the subsequent equations using Gauss- Jordan method.
2X+Y+Z=10
3X+2Y+3Z=18
X+4Y+9Z=16
b) Write algorithm for Gauss - Jordan method.
7.a) Define backward differences
b) Find f(1.6) from the subsequent data.
x: 0 1 2 3 4 5 6
f(x): 2 3 10 29 66 127 128
using Lagranges Interpolation technique.
8.a) Using Simpson’s (1/3) rule evaluate
x: 0 1 2 3 4 5 6
y: 0 0.4 4.9 25.4 81.8 195.2 373.2
b) Apply the simple Euler method to y' = xy2 y(0)=2, computing upto x=1 with a few ‘h’ intervals such as 0.5.

Earning:   Approval pending.