Jawaharlal Nehru Technological University Hyderabad 2003 B.Tech Production Engineering I Supplementary s, ember- INTRODUCTION TO COMPUTERS - university 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 a computer? elaborate its capabilities?
b) Compare and contrast dot matrix printer and line printer

2. a) What is the range of numbers that can be represented in eight bit l's
complement form
b) Convert the subsequent into decimal
i) 1011.1012
ii) 10111.118
iii) -11011.10116

3.a) Explain bit-wise operators with examples.
b) Write a C program to learn a number and print the number in words.(eg:123=One 2 Three).

4.a) Explain various modes for opening a file.
b) Write a program to obtain the number of lines matching a provided string in a file.

5.a) Write an algorithm for N - R method
b) obtain the real root of 3x-cos x – 1=0 by Newton Raphson method.

6.a) Solve the subsequent equations using Gauss- Jordan method.
2X+Y+5Z+T=5
X+Y-3Z+4T=-1
3X+6Y-2Z+T=8
2X+2Y+2Z-3T=2
b) Write algorithm for Gauss - Jordan method.
7.a) Find the missing term in the subsequent table.
x: 1 2 3 4 5
y: 2 5 7 - 32
b) The avg. scores reported by golfers of different handicaps on a par-four hole were as follows:
Handicap: six eight 10 12 14 16 18 20 22 24
Average: 4.6 4.8 4.6 4.9 5.0 5.4 5.1 5.5 5.6 6.0
Find the lowest squares lines for this data.
8.a) Find the value of using the subsequent tabular values
x: 1 2 3 4 5
y: 2.876 2.877 2.878 2.880 2.881

b) Apply Runge-Kutta fourth order method to find the solution of y' = -xy2,
y(0) = two using h=0.2.

Earning:   Approval pending.