July 6, 2021 in C and CPP
1.9 What is wrong with the following function?
int Main(int ac, char *av[]) {
if (ac = = 0) return 0;
else {
printf("%s", av[ac-1]);
Main(ac - 1, av);
}
return 0;
}
A) Function cannot have name as Main, it should be main only.
B) The arguments’ name must be argc and argv, respectively.
C) There cannot be two return statements in the function.
D) There is no error in the function.July 6, 2021 in C and CPP
1.8 What will be the output of the following code segment?
int a[10] = {1, 2,3,4,5,6,7,8,9,10}, *p = a;
printf("\n%d:%d", p[7], p[a[7]]);
A) 7:7
B) 7:8
C) 8:9
D) 8:8July 6, 2021 in C and CPP
1.7 Given float *pf; int *pi; Which of the following is true?
A) sizeof(pf) > sizeof(pi)
B) sizeof(pi) < sizeof(pf)
C) sizeof(pi) = = sizeof(pf)
D) none of the aboveJuly 6, 2021 in C and CPP
1.6 Which of the following functions need a filename?
A) fopen
B) fclose
C fread
D) none of the aboveJuly 6, 2021 in C and CPP
1.5 Given two literals 0x001B and 033. What are these equal to?
A) 21 and 33
B) 27 and 33
C) 33 and 33
D) 27 and 27July 6, 2021 in C and CPP
1.4 Consider the following loop:
for (j = 0; j < 10; j++) {
printf("%d\n", j);
if (j = = 5) continue;
}
Which of the following while loops is equivalent to the above given for loop?
A) k = 0;
while ( k < 10) {
printf("%d\n", k);
if (k = = 5) continue;
k++;
}
B) a = 0;
while ( a < 10) {
if (a = = 5) continue;
printf("%d\n", a);
a++;
}
C) m = 0;
while ( m < 10) {
printf("%d\n", m);
if (m++ = = 5) continue;
}
D) while ( x < 10) {
x = 0;
printf("%d\n", x);
if (x = = 5) continue;
++x;
}July 6, 2021 in C and CPP
1.3 What is wrong with the following code?
struct Person{
char *name;
struct Person Mother, Father;
} Anita;
A) The ; should appear after the } and Anita be defined later.
B) name should be defined as an array.
C) struct Person Mother, Father; must be defined as struct Person *Mother, *Father;
D) There is no error in the code.July 6, 2021 in C and CPP
1.2 The statement
#include "filename.h"
is replaced by the contents of "filename.h"
A) before compilation
B) after compilation
C) during execution
D) during typing of the programJuly 6, 2021 in C and CPP
1.1 What will be the output of the following code segment?
int a = 0;
switch (a) {
case 0:
default: printf("default ");
case 1: printf("a = %d", a);
}
A) default
B) default a = 0
C) a = 0
D) nothing will be displayed on the screenJuly 6, 2021 in C and CPP
c) Write a program which creates a file named DATA, enter 10 integers in the file and then
copy them into another file named COPY.
