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Posted By: kishore Member Level: Gold Posted Date: 06 Jun 2008
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2007 Jawaharlal Nehru Technological University B.Tech Civil Engineering INTRODUCTION TO COMPUTERS setno1 Question paper
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1. (a) Explain ALU of computer [4M]
(b) Compare and contrast CISC and RISC processors [8M]
(c) What is a system bus? [4M]
2. (a) What is compiler? [2M]
(b) Distinguish between compiler and interpreter [6M]
(c) Convert the following numbers into binary [8M]
i. 29bc.efl6
ii. -56f.bc16
3. (a) Write the output of the following: [9M]
i. main()
{
printf(“% d”,235);
}
ii. main()
{
intx = 10.26;
printf(“% f”,x);
}
iii. main()
{
charmesg[20];
mesg = “work is worship”
printf(“%.6s”,mesg);
}
(b) Write a C program to accept your name, roll number, branch and percentage
and display it in the required format. [7M]
4. (a) What is a structure? Explain the components of a structure. [4M]
(b) Differentiate struct and Union constructions in C. [4M]
1 of 2
Code No: RR10106 RR
(c) Write a C program to accept the empcode, empname, basic salary, of the em-
ployees and compute their gross salary. The gross salary should be computed
using the following formula.
Grosssalary = basic salary + DA + HRA [8M]
5. Find a root which lies between 1 and 2 of f(x) = x3+2x2 +10x-20 using Newton
Raphson and Regular Falsi method. Compare the results. [16M]
6. (a) Solve the following equations using Gauss- Jordan method. [8M]
2X+Y+Z=10
3X+2Y+3Z=18
X+4Y+9Z=16
(b) Write an algorithm for Gauss - Jordan method. [8M]
7. (a) Derive the formula to estimate the polynomial of degree n using Lagrange
interpolation method. [7M]
(b) Find the 3rd polynomial to fit the following points: [9M]
i 1 0 1 3
F(X) 6 2 2 10
Using Newton’s forward formula.
8. (a) Use Euler’s modified method to find y(1.1), y(1.2) and y(1.3) correct to three
decimal places given dy
dx = xy1/3, y(1) =1 [8M]
(b) Use trapezoidal rule to evaluate R 1
0 ydx from the given data [8M]
x: 0 0.25 0.50 0.75 1.0
y: 105 107.5 109.4 111 121.3
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