IIT JAM 2011 Computer Application CA Question paper

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IIT JAM Previous Year Computer Application CA Question Paper


IIT JAM 2011 Computer Application Question paper



Q1. Four different weights W1, W2, W3, W4 can take only integral values. They can be used on one or both the pans of a balance to weigh objects having all possible integral weights from unit weight to W, where, W = W1 + W2 + W3 + W4. The vector (W1, W2, W3, W4) which maximizes W is
(A) (1, 2, 5, 10) (B) (1, 3, 9, 27) (C) (1, 2, 4, 8) (D) (1, 3, 15, 25)


Q2. Consider the following C program


#include <stdio.h>
int main() {
int x = 01234;
printf(“%d”, x);
return 0;
}
The output of the program will be
(A) 01234 (B) 1234 (C) 567 (D) 668


Q.3 Consider the following C function


float f(float a, int m) {
float x;
if (m == 0) return 1;
x = f(a, m/2);
if (m%2 == 1) return x * x * a;
else return x * x;
}
What will be the return value of the function f(2,3)?
(A) 20.0 (B) 16.0 (C) 12.0 (D) 8.0


Q4. When a computer is switched on, the BIOS is loaded from
(A) Hard Disk (B) RAM (C) ROM (D) CD-ROM


Q.5 In a computer, TFT is related to
(A) Memory (B) Monitor (C) Input Device (D) Serial Port


Q.6 Consider the following C program


#include <stdio.h>
int main(){
int x = 5;
int y = 2;
while (x) {
y += 2 * x;
printf(“%d”, x);
x--;
}
printf(“%d”, y);
return 0;
}
What is printed when the above program is executed?
(A) 5432132 (B) 432132 (C) 5432129 (D) 432130


Q.7 If the speed of a computer is 2 GHz, then which one of the following statements must be TRUE?
(A) Its processor performs 2 × 109 operations per second
(B) Its clock cycles 2 × 109 times per second
(C) Its RAM stores 2 × 109 bytes per second
(D) Its printer prints 2 × 109 characters per second


Q8. Let P be a matrix of size 3× 3 with eigenvalues 1, 2 and 3. Then P is
(A) neither invertible nor diagonalizable
(B) both invertible and diagonalizable
(C) invertible but not diagonalizable
(D) not invertible but diagonalizable


Q9. The value of x in the sequence 2, 4, 10, 28, 82, x, … is
(A) 102 (B) 168 (C) 252 (D) 244


Q10. Consider the following segment of a C program


int x = 2;
if (x = 3) printf(“%d”, x++);
else printf(“%d”, --x);
The output of the program segment will be
(A) 0 (B) 2 (C) 3 (D) 4


Q11. IBM stands for
(A) Indian Business Machine
(B) International Business Manufacturer
(C) Indian Business Manufacturer
(D) International Business Machine


IIT JAM 2011 Computer Application Question paper


IIT JAM Question Paper