what question do you think is important question you have
been ask?
1682
What is virtual Machine and how it works ?
1701
Programming in C
JayLQue@hotmail.com
1. Which of the types listed below can be the type of the
result value returned by a user-defined function?
A) int
B) double
C) char
D) all of the above
E) none of the above
2. 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\n", first, second);
return 0;
}
A) 35 2
B) 1 35
C) 35 7
D) 1 2
E) 0
3. In function apart defined below, how many of the
parameters are considered input parameters?
void apart(double x, int *wholep, double *fracp)
{
*wholep = (int)x; *fracp = x - *wholep;
}
A) 0
B) 1
C) 2
D) 3
E) all
4. Variables that represent neither problem inputs nor
problem outputs but are needed for internal computations
are called _____.
A) problem constants
B) prototypes
C) results
D) formula variables
E) program variables
5. This question concerns the following program fragment:
char r, x, y, z, w;
scanf("%c%c%c%c", &x, &y, &z, &w);
if (x < y)
r=x;
else
r=y;
if (r>z)
r=z;
if (r>w)
r=w;
printf("%c\n", r);
The program's effect can best be described as:
A) It displays the letter 'r' after comparing it to x, y,
and z.
B) Of the four input characters, it displays the one that
comes first in the alphabet.
C) Of the four input characters, it displays the one that
comes last in the alphabet.
D) Of the four input characters, it displays the one that
comes second in the alphabet.
E) It displays nothing since characters cannot be compared.
6. In a function that receives a value from the main
function via a parameter and then displays the parameter
value on the screen, that parameter is considered
__________.
A) an input parameter
B) an output parameter
C) an input/output parameter
D) a local variable
E) a stub
7. What is the complement of the following expression?
n||a <= b && c != 100
A) !n || a > b || c == 100
B) !(n && (a > b || c == 100))
C) !n && (a > b || c == 100)
D) !(n || (a > b || c == 100))
E) none of the above
8. The if statement:
if (13 < 12)
printf("never\n");
else
printf("always\n");
A) displays never.
B) displays always.
C) will not compile since 13 is not less than 12.
D) causes a run-time error since 13 is not less than 12.
E) displays nothing since 13 is not less that 12.
9. 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\n", i + j);
i=i + 1;
}
while (i < 5);
A) 0
B) 7
C) 9
D) 16
E) 20
10. For what exact range of values of variable x does the
following code segment display the letter 'C'?
if (x <= 200)
if (x < 100)
if (x <= 0)
printf("A\n");
else
printf("B\n");
else
printf("C\n");
else
printf("D\n");
A) 0 < x < 100
B) x <= 0
C) 100 <= x <= 200
D) x > 200
E) 100 < x <= 200
11. The effect of the following program segment can best be
described as __________.
if (x > y)
z = x;
if (x == y)
z=0;
if (x < y)
z = y;
A) the smaller of x and y is stored in z.
B) the larger of x and y is stored in z.
C) the larger of x and y is stored in z unless x and y are
equal, in which case z is assigned zero.
D) the larger of x and y is stored in z unless x and y are
not equal, in which case z is assigned zero.
E) none of the above.
12. The expression: x *= i + j / y; is equivalent to
______.
A) x = x * i + j / y;
B) x = (x * i) + j / y;
C) x = (x * i + j) / y;
D) x = x * (i + j / y);
E) none of the above
13. The facts that a function assumes to be true of the
arguments that it receives are called __________.
A) function input validations
B) local variables
C) postconditions
D) preconditions
E) none of the above
14. How many times is the loop body of the while statement
executed? Refer to the following program segment. Assume
that all variables are of type int.
z=0;
g=0;
s=0;
i=0;
while (i < 50)
{
scanf("%d", &t);
s=s + t;
if (t >= 0)
g=g + 1;
else
z=z + 1;
i=i + 1;
}
A) once
B) never
C) 49 times
D) 50 times
E) until a number 50 or larger is entered
15. A special value that marks the end of a list of input
data is called a __________.
A) terminal value
B) sentinel value
C) loop control value
D) input value
E) loop termination value
16. 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
F) a, b, c, and d
17. The ______ of a function take(s) information into the
function from the calling statement.
A) local variables
B) input arguments
C) output arguments
D) prototype
E) purpose
18. If the input to the program segment below is 85, what
is its output?
scanf("%d", &s);
if (s >= 90)
printf ("A\n");
else if (s >= 70)
printf ("C\n");
else if (s >= 80)
printf ("B\n");
else
printf ("D\n");
A) A
B) B
C) C
D) D
E) None of the above
19. The value stored in variable s at the end of the
execution of the loop could best be described as
__________. Refer to the following program segment. Assume
that all variables are of type int.
z=0;
g=0;
s=0;
i=0;
while (i < 50)
{
scanf("%d", &t);
s=s + t;
if (t >= 0)
g=g + 1;
else
z=z + 1;
i=i + 1;
}
A) the average of the numbers scanned
B) the sum of the numbers scanned
C) the largest of the numbers scanned
D) how many numbers were scanned
E) the sentinel value
20. What is displayed by the C statements that follow if
the value input is 2?
scanf ("%d", &ctl);
switch (ctl)
{
case 0:
case 1:
printf("red ");
case 2:
printf("blue ");
case 3:
printf("green ");
case 4: printf("yellow");
}
printf("\n");
A) red
B) blue
C) green
D) yellow
E) blue green yellow
21. What is displayed by the C statements below if the
value input is 3?
scanf ("%d", &n);
if (n = 5)
printf("Equal\n");
else if (n < 5)
printf("Less\n");
else
printf("Greater\n");
A) Equal
B) Less
C) Greater
D) No output
22. What will be the value of i after the C statements
below have been executed?
i=3;
j=10;
if ((3 * i) < j)
i=i + 2;
i=i+3;
A) 5
B) 6
C) 8
D) 10
E) 15
23. Which of the types listed below can be the type of a
function output parameter?
A) int*
B) double*
C) char*
D) all of the above
E) none of the above
24. Which one of the following lines names a constant
needed in a program that computes the price per square inch
of a round pizza?
A) scanf("%lf", &radius);
B) pi = 3.14159;
C) #define PI 3.14159
D) #include
E) none of the above
25. Which one of these is not the name of a C library
function?
A) printf
B) sqrt
C) void
D) scanf
E) log
3252
what are essential components of digital computer? discuss
the function of each components. draw the block diagram of a
computer showing its essential components
11382
sap question..
i want to call a text module through the program which i
have created with the help of so10 .
how can i do this.
2173
1.2million lux hours means
772
why are SRAMs used in small memory application and DRAMs
used in large memory appllication
1713
1 light year is approx equal to
2052
an iron ball bounce more than a cricket ball?
1880
what is the difference between front loading thief and side
vented theif? which one is best and why?
1796
Wats d criteria to make a shampoo in liquid or jelly form???
1631
the system analysis and design methodology employed by organization reflects on management culture and style
1145
is it possible that the all water IN WORLD will be LOST???
1677
HOW TO CUT A CAKE IN 8 PIECES IN 1 STROKE?
1892
describe a time when you made a mistake when dealing with
staff person and how did you handle the situation?
4424
