MiSC QA
Ques 1. what is token?
A. each and every units in c program are called tokens .
B. only variables
C. only constants
D. only function names
Ques 2. what are different types of token?
Ques 3. count number of tokens in the below code statement?
scanf("%d", &x);
options:
A. 7
B. 3
C. 6
D. 5
Ques 4. what type of language is c?
options:
A. it is high level language
B. it is low level language
C. it is a high level language with support to low level programming
D. it is super high language
Ques 5. if character size is 1 byte predict the output?
#include <stdio.h>
#include <stdlib.h>
char printchar()
{
putchar('D');
return 'D';
}
int main()
{
printf("%d", sizeof(printchar()));
return 0;
}
options:
A. 1
B. D 1
C. 1 D
D. compiler error
Ques 6. what is the output for the below code?
#include <stdio.h>
#include <stdlib.h>
int main()
{
int arr[][4] = {1,2,3,4,5,6,7,8} ;
int (*p)[4] = arr;
printf("%d, %d ", *((*p)+1), *((*p)+2));
++p;
printf("%d, %d ", (*p)[1], (*p)[2] );
return 0;
}
options:
A. 2,3, 6,7
B. 1,2,3,4
C. 5,6,7,8
D. 1,2,5,6
Ques 7. what is the answer for the for loop line in the below code?
#include <stdio.h>
#include <stdlib.h>
main()
{
int index;
for(index=0, index<5, index++);
}
options:
A. lexical error
B. only syntax error
C. No compiler error
D. both lexical and syntax error
Ques 8. In C program when the macro defined is resolved?
options:
A. preprocessing time
B. compiling time
C. during linking
D. run time
Ques 9. In C program two files f1 and f2 are present, a funtion present in f2 is called in file f1.
when this is resolved?
options:
A. preprocessing time
B. compiling time
C. during linking
D. run time
Ques 10. In C program a variables declared defined, when this is resolved?
options:
A. preprocessing time
B. compiling time
C. during linking
D. run time
Ques 11. for the below code what is the right way of accessing the data?
int x,y,z;
int *mdn[4], xrg[2][3];
options:
A. mdn[1] = &x, xrg[1]=34
B. mdn[1] = &x, xrg[1][0]=34
C. mdn[4] = &x, xrg[3]=34
D. mdn[1] = &x, xrg[4]=34
Ques 12. what is the option correct for c language?
options:
A. it case insensitive language
B. a regular language
C. it case sensitive language
D. low level language
Ques 13. how the c language processing happen?
options:
A. preprocessing, compilation, linking
B. compilation, preprocessing, linking
C. linking, compilation, preprocessing
D. linking , preprocessing, compilation
Ques 14. what is the command for getting preprocessed file in linux?
options:
A. gcc -k filename.c
B. gcc -E filename.c
C. gcc -l filename.c
D. gcc -p filename.c
Ques 15. what is the command for getting object code file in linux?
options:
A. gcc -S filename.c
B. gcc -E filename.c
C. gcc -o filename.c
D. gcc -c filename.c
Ques 16. what is the command for getting assembly code file in linux?
options:
A. gcc -S filename.c
B. gcc -E filename.c
C. gcc -o filename.c
D. gcc -c filename.c
Ques 17. what is the command for getting outputfile after linking files in linux?
options:
A. gcc -S filename.c
B. gcc -E filename.c
C. gcc -o filename.c
D. gcc -c filename.c
Ques 18. what is the output for the following program?
#include <stdio.h>
#include <stdlib.h>
int disp(int m, int n)
{
int p=m+n;
printf("\n m = %d", m);
return p;
}
int main()
{
int p=3,q=4, k;
int (*f)(int, int);
f=disp;
k=f(p,q);
printf("\n k= %d",k);
return 0;
}
options:
A. 3 7
B. compiler error
C. runtime error
D. 7 7
Ques 19. what is the output for the following program?
#include <stdio.h>
#include <stdlib.h>
int main()
{
int p=0x55 ;
p = 0xb>>1<<2;
printf("\n p= %x",p);
return 0;
}
options:
A. a8
B. compiler error
C. runtime error
D. 14
Ques 20. what is the output for the following program?
#include <stdio.h>
#include <stdlib.h>
int main()
{
int p=0x55 ;
p = (p & 0xff) & (~(1<<2)) ;
printf("\n p= %x",p);
return 0;
}
options:
A. 51
B. 54
C. 58
D. 55
Answers
1. A
2. the different types of tokens are
Keywords (ex. int float while, case),
Identifiers(ex. main, sum, total),
Contants(ex, 44,67)
strings (ex: "sum", "welcome", "ptinstitute.in" )
Special symbols (ex: (), {})
Operators (ex: +,-,/, *)
3. 7
4. C
5. 1
6. A
7. B
8. A
9. C
10. B
11. B
12. C
13. A
14. B
15. C
16. A
17. C
18. A
19. D
20. A
