28. How many lines of output will be displayed by the following program fragment?

i = 0;

do {

for (j = 0; j < 4; j = j + 1)

printf("%d ", i + j);

i = i + 1;

} while (i < 5);

a. 0

b. 7

c. 9

d. 16

e. 20

29. When a loop statement contains another loop statement it is said to be:

a. nested

b. compound

c. entangled

d. conditional

e. none of the above

30. What is the output from this program?

#include

Void do_something(int *thisp, int that)

{

int the_other;

the_other = 5;

that = 2 + the_other;

*thisp = the_other * that;

}

Int main(void)

{

int first, second;

first = 1;

second = 2;

do_something(&second, first);

printf("%4d%4d ", first, second);

return (0);

}

a. 35 2

b. 1 35

c. 35 7

d. 1 2

e. 0

31. Here is the prototype of a function:

void five(double x, double *yp, int *zp);

Given these variable declarations, which calls to five are valid?

int m, n;

double p, q;

a. five(m, &p, &n);

b. q = five(6.2, &p, &m);

c. five(p, &q, &m);

d. five(7.1, &p, &q);

e. a and c only

32. The * symbol means:

a. multiplication of two operands

b. pointer to in a formal parameter list

c. unary indirection operator to follow a pointer

d. all of the above

e. none of the above

33. Which unary operator is used to access the address of a variable?

a. %

b. #

c. *

d. &

e. !

34. Accessing the contents of memory using a pointer variable that contains the address of that memory location is called:

a. pointer direction

b. cell referencing

c. pointer access

d. indirect reference

e. none of the above

35. What is the minimum valid subscript value for array a?

a. 0

b. 1

c. any negative number

d. There is no minimum.

e. none of the above

36. How many numbers can be stored in the array declared below?

double arr[10][5][6];

a. 21

b. 90

c. 180

d. 300

e. none of the above

37. Searching an array by testing each element in the array using a loop is called a(n) _______ search.

a. random

b. linear

c. looped

d. stacked

e. none of the above

38. What value is returned by the following call to strlen?

strlen("robot")

a. 't'

b. 4

c. 5

d. 6

e. none of the above