C Programming
1. main( )
{
int x = 10, y = 20;/.
x =!x;
y =!x&&!y;
printf(“x =%d y =%d”, x, y);
}
a) x = 10 b) x = 0 c) x = 20 d) None
y = 20 y = 0 y = 10
2. main( )
{
int x = 5;
x++;
printf(“x =%d\n”, x);
++x;
printf(“x = %d\n”, x);
}
a) x = 5 b) x = 6 c) x = 7 d) None
x = 7 x = 7 x = 5
3. main( )
{
int x = 10, y =x, z =x;
y = x;
z = -x;
t = - x;
printf(“y =%d z=%d t=%d”, y, z, t);
}
a) y = -10 b) y = 0 c) y = 0 d) None
z = 0 z = -10 z = -10
t = -10 t = -10 t = -10
4. main( )
{
int i;
for(i = - 1; i < = 10 ; i + +)
{
if ( i < 5 )
continue ;
else
break;
printf(“Gets printed only once!!”);
}}
a) No output b) Gets printed only once c)Error d) None
5. main( )
{
int i =135, a =135, k;
k =function(!++i, !a++);
printf(“i =%d a=%d k=%d”, i, a, k);
}
function(j, b)
int j, b;
{
int c;
c = j + b;
return( c );
}
a) i = 136 b) i = 136 c) i = 135 d)None
a = 135 a = 136 a = 136
k = 0 k = 0 k = 0
6. main( )
{
int k = 35, z;
z = func(k);
printf(“z =%d”, z);
}
func(m)
int m;
{
+ +m;
return(m = func1 (++m));
}
func1(m)
int m;
{
m ++;
return(m);
}
a) z = 38 b) z = 36 c) z = 37 d) None
7. main( )
{
if(printf(“C for yourself how it works\n”))
main( );
}
a)error b) C for yourself it works c) C for yourself how it works d) None
C for yourself how it works
C for yourself how it works
C for yourself how it works
…….. ………. …….. …….
……… ……… ………. …
8. main( )
{
int i = 1;
if(!i )
printf(“Recursive calls are real pain!”);
else
{
i = 0;
printf(“Recursive calls are challenging\n”);
main( );
}
} a)Recursive calls are challenging b) Recursive calls are challenging c) Error d) None
Recursive calls are challenging
Recursive calls are challenging . ……… ……….. …………..
……… ………. ……………
9. int i = 0;
main( )
{
printf(“in main i =%d\n”, i);
i ++;
val( );
printf(“in main i =%d\n”, i);
}
val( )
{
int i = 100;
printf(“in val i = %d\n”, i);
i ++;
}
a) 101 1 b) Error message c)1 100 d) None
10. #define NO
#define YES
main( )
{
int i = 5, j;
if( i > 5)
j = YES;
else
j = NO;
printf(“%d”, j);
}
a) Yes Yes Yes Yes Yes Yes b) Error Message c) None d ) No No No
11. #define AND &&
#define OR ||
#define LE <=
#define GE >=
main( )
{
char ch = ‘D’;
if((ch GE 65 AND ch LE 90) OR (ch GE 97 AND ch LE 122))
printf(“Alphabet”);
else
printf(“Not an alphabet”);
}
a) No Alphabet b) Alphabet c) error d)None
12. main( )
{
int n[25];
n[0] = 100;
n[24] = 200;
printf(“%d %d”, *n, *(n + 24) + *(n + 0));
}
a) 200 100 b) 100 300 c) 100 200 d) None
13. main( )
{
int arr[ ] = { 0, 1, 2, 3, 4};
int i, *ptr;
for(ptr = arr + 4; ptr = arr; ptr--)
printf(“%d”, *ptr);
}
a) 0 1 2 3 4 b) 4 3 2 1 0 c) 1 2 3 4 0 d)None
14. main( )
{
static char s[ ] = “Rendezvours!”;
printf(“%d”, *(s + strlen(s)));
}
a) 0 b) 1 c) e d) None
15. main( )
{
static char str[ ] = { 48, 48, 48, 48, 48, 48, 48, 48, 48, 48};
char *s;
int i;
s = str;
for(i = 0; i <=9; i++)
{
if(*s)
printf(“%c”, *s);
s++;
}
}
a)0 0 0 0 0 0 0 0 0 0 b) 1 1 1 1 1 1 1 1 1 1 c) 48 48 48 48 48 48 48 48 48 48 d) None
16. main( )
{
struct employee
{
char name[25];
int age;
float bs;
};
struct employee e;
e.name = “Hacker”;
e.age = 25;
printf(“%s%d”, e.name, e.age);
}
a) Hacker, 25 b) Error message c) 25 Hacker d) None
17. main( )
{
struct s1
{
char*str;
int i;
struct s1*ptr;
};
static struct s1 a[ ] ={
{“Nagpur”, 1, a + 1},
{“Raipur”, 2, a + 2},
{“Kanpur”, 3, a}
};
struct s1*p = a;
int j;
for (j = 0; j <=2; j++)
{
printf(“%d”, --a[j].i);
printf(“%s\n”, ++a[j].str);
}
}
a) 1 aipur b) 0 agpur c) 0 aipur d) None
0 agpur 1 aipur 1 agpur
2 anpur 2 anpur 2 anpur
18. #define NULL 0
main( )
{
struct node
{
struct node *previous;
int data;
struct node *next;
} ;
struct node *p, *q;
p = malloc(sizeof(struct node));
q = malloc(sizeof (struct node));
p->data = 75;
q->data = 90;
p->previous = NULL;
p->next = q;
q->previous = p;
q->next = NULL;
while(p!=NULL)
{
printf(“%d\n”, p->data);
p =p->next;
}
}
a) 90 b) 75 c) 90 d) None
75 90 90
19. main( )
{
struct a
{
int i;
int j;
};
struct b
{
char x;
char y[3];
};
union c
{
struct a aa;
struct b bb;
};
union c u;
u.aa.i = 512;
u.aa.j = 512;
printf(“%d%d”, u.bb.x, u.bb.y[0]);
printf(“%d%d”, u.bb.y[1], u.bb.y[2]);
}
a)2020 b) 0022 c) 0202 d) None
20. main( )
{
int a = 3, b = 2, c =1, d;
d = a| b & c;
printf(“d = %d\n”, d);
d = a| b & ~ c;
printf(“d =%d\n”, d);
}
a) d = 2 b) d = 3 c) d = 1 d) None
d = 2 d = 3 d = 1
21. main( )
{
static char a[]=”Bombay”;
char *b=”Bombay”;
printf(“%d %d”,sizeof(a),sizeof(b));
}
a. 1 6 b. 1 1 c. 6 6 d. None
22. main( )
{
int i=3;
i=i++;
printf(“%d”,i));
}
a. 3 b. 4 c. undefined d. Error
23. What error would the following function give on compilation.
f (int a,int b)
{
int a;
a=20;
return a;
}
a. Missing parantheses in return statement.
b. The function should be defined as
int f(int a,int b)
c. Redeclaration of a.
d. None of the above.
24. main( )
{
int b;
b=f(20);
printf(”%d”,b);
}
int f(int a)
{
a>20?return (10):return (20);
}
a. 20 b. 10 c. No output d. Error
25. #define sqr(x) (x*x)
main( )
{
int a,b=3;
a=sqr(b+2);
printf(“%d”,a);
}
a. 25 b. 11 c. Error d. Garbage value
26 #define str(x) #x
#define Xstr(x) str(x)
#define oper multiply
main( )
{
char *opername=Xstr(oper);
printf(“%s”,opername);
}
a. oper b. multiply c. Error d. None
27. main( )
{
printf(“%c”,7[“sundaram”]);
}
a. S b. m c. \0 d. Error
28. main( )
{
int a[ ]={10,20,30,40,50};
char *p;
p=(char *)a;
printf(“%d”,*((int *)p+4));
}
a. 50 b. 10 c. Error d. None
29. main( )
{
printf(“%c”,”abcdefgh”[4]);
}
a. a b. e c. Error d. None
30. main( )
{
printf(“%d %d %d”,sizeof(‘3’),sizeof(“3”),sizeof(3));
}
a. 1 1 1 b. 2 2 2 c. 1 2 2 d. 1 1 1
Note: Assume size of int is 2 bytes.
31. main( )
{
struct emp{
char n[20];
int age;}
struct emp e1={“david”,23};
struct emp e2=e1;
if(e1= = e2) printf(“structures are equal”);
}
a. structures are equal
b. No output
c. Error
d. None
32. main( )
{
char a[ ];
a[0] = ‘A’;
printf(“%c”, a[0]);
}
a) Compilation Error
b) No output
c) A
d) None
33. main( )
{
char **p =”Hello”;
printf(“%s”, **p);
}
a) Hello b) **p c) Error d) None
34. main( )
{
int count, end=20;
for (count=1; count<=end; count++)
{
if(count %2) continue;
else
if(count %4) continue;
else
if(count %6) continue;
else
if(count %8) continue;
else
if(count %10) continue;
else
if(count %12) continue;
else
printf(“%d”, count); }
printf(“%d”, count);
}
The output is
a)No display b) Error c) 20 21 d) 21
35. main( )
{
int a=5;
do
{
printf(“%d\n”, a);
a = -1;
} while (a>0);
}
a) 0 b) -1 c) Error d) 5
36. main( )
{
int x = 5;
printf(“%d %d”, x++, ++x);
return 0;
}
a) Error b) 6, 6 c) 5, 7 d) 7, 6
37. main( )
{
int z = 4;
printf( “%d”, printf(“ %d %d “, z, z));
}
a) 4 4 3 b) 4 4 5 c) 4 4 4 d) Error
38. int i = 0;
main( )
{
printf(“i = %d”, i);
i++;
val( );
printf(“After i=%d”, i);
val( );
}
val( )
{
i =100;
printf(“val’s i=%d\n”, i);
i++;
}
a) i =0 b) i=0 c) Error d) None of the above
val’s i=100 val’s i =100
i =1 i=101
val’s i =100 val’s i =100
39. main( )
{
printf( “%d %c \n”);
printf( “%d %c \n”);
return 0;
}
a) Error b) d c d c c) Compilation error d) Some garbage value
will be the output
40. main( )
{
int i;
scanf( “%d”, &i);
switch( i ){
case 1 :
printf( “Do”);
case 2 :
printf( “ Re “);
case default :
printf( “ SACHIN “);
} }
The output will be
a) DO Re SACHIN b) SACHIN c) Do Re d) Error
41. # define COND(a > = 65 & & a < = 90)
main( )
{
char a = ‘R’;
if (COND)
printf(“ UPPER CASE”);
else
printf(“ LOWER CASE”);
}
a) LOWER CASE b) UPPER CASE c) ERROR-COMPILE d) RUN-TIME ERROR
42. main( )
{
int a[ ] = { 10, 20, 30, 40, 50};
int j;
for (j = 0; j < 5; j++)
{
printf(“ \n %d”, * a);
a ++;
}
}
a) 0..5 b) 0..4 c) Error d) None of the above
43. main( )
{
int a[ ] = { 10, 20, 30, 40, 50}
char *p;
p = (char *) a;
printf( “ %d”, * ((int*) p+4)); }
a) 50 b) 10 c) Error d) None
44. main( )
{
int a[5] = {2, 4, 6, 8, 10);
int i, b =5;
for(i=0; i<5; i++)
{
f(a[i], &b);
printf(“\n %d %d”, a[i], b);
}
}
f(int x, int *y)
{
x = *(y) +=2;
}
a) 2 7 b) 4 9 c) 7 2 d) Error
4 9 6 11 9 4
6 11 8 13 11 6
8 13 10 15 13 8
10 15 12 17 15 10
45. main( )
{
int a,b;
b=7; printf(“%d”, a = =b);
printf(“%d”, a=b);
}
(a) 6 7 (b) 7 6 ( c ) 1 7 ( d ) 0 7
46. main ( )
{
int n=20, i = 0;
while(n- - >0);
i = i +n;
}
The end value of i is
(a)210 (b) 20 ( c) -1 (d) 200
47. main( )
{
int i = 0; char ch = ‘A’
do {
printf(“%c”, ch);
} while (i++ <5| | ++ch < =’F’);
}
The output of above program is
(a) ABCDEF (b) AAAAAA BCDEF ( c) A will be displayed infinitely (d)None of the above
48. Assume that a,b,c are integer variables. Values of a,b and c are 2,3 and 1 respectively.
Which of the following statement is correct regarding the assignment d=a < b < c - 1;
(a) Above statement is syntactically not correct
(b) Value zero will be stored in variable d
(c) Value one will be stored in variable d
(d) Value -1 will be stored in variable d
49. int count, sum;
main( )
{
for(count = 4; sum + = - - count);
printf(“%d”, sum);
}
(a) Programs goes into an infinite loop
(b) 356653 will be displayed
(c) 354453 will be displayed
(d) None of the above
50. main( )
{
static int c =5;
printf(“%d”, c--);
if (c )
main( );
}
5 5 5 5 5 (b) 5 4 3 2 1 (c ) 5 4 3 2 1 0 (d) None of the above
1) what will be the result of executing following program
main( )
{
char *x="New";
char *y="Dictionary";
char *t;
void swap (char * , char *);
swap (x,y);
printf("(%s, %s)",x,y);
char *t;
t=x;
x=y;
y=t;
printf("-(%s, %s)",x,y);
}
void swap (char *x,char *y)
{
char *t;
y=x;
x=y;
y=t;
}
a).(New,Dictionary)-(New,Dictionary)
b).(Dictionary,New)-(New,Dictionary)
c).(New,Dictionary)-(Dictionary,New)
d).(Dictionary,New)-(Dictionary,New)
2) What will be result of the following program
main()
{
void f(int,int);
int i=10;
f(i,i++);
}
void f(int i,int j)
{
if(i>50)
return;
i+=j;
f(i,j);
printf("%d,",i);
}
a).85,53,32,21
b)10,11,21,32,53
c)21,32,53,85
d)none of the above
3)What is the size of 'q'in the following program?
union{
int x;
char y;
struct {
char x;
char y;
int xy;}p;
}q;
a)11
b)6
c)4
d)5
4)Result of the following program is
main()
{
int i=0;
for(i=0;i<20;i++)
{
switch(i)
case 0:i+=5;
case 1:i+=2;
case 5:i+=5;
default i+=4;
break;}
printf("%d,",i);
}
}
a)0,5,9,13,17
b)5,9,13,17
c)12,17,22
d)16,21
5)What is the result
main()
{
char c=-64;
int i=-32
unsigned int u =-16;
if(c>i){
printf("pass1,");
if(c<u)
printf("pass2");
else
printf("Fail2");}
else
printf("Fail1);
if(i<u)
printf("pass2");
else
printf("Fail2")
}
a)Pass1,Pass2
b)Pass1,Fail2
c)Fail1,Pass2
d)Fail1,Fail2
e)none
6) main( )
{
struct employee
{
char name[25];
int age;
float bs;
}
struct employee e;
e.name = “ Hacker”;
e.age = 25;
printf(“%s%d”, e.name, e.age);
}
a) Hacker, 25 b) Hacker 25 c) Error d) None of the above
7) *p++
a)increments p,
b)increments value pointed by p
c) increments both
d none of the above
w
8) What's wrong with the code "char c; while((c = getchar()) !=
EOF) ..."?
a) EOF cannot be used in while loop
b) EOF cannot be used with getchar
c) C should be an integer
d) None of the above
9) What is the O/P of the program given below
main( )
{
static char a[]=”Bombay”;
char *b=”Bombay”;
printf(“%d %d”,sizeof(a),sizeof(b));
}
a. 1 6 b. 1 1 c. 6 6 d. None
10 What is the O/P of the program given below
main( )
{
int I=3;
I=I+ +;
printf(‘%d”,I));
}
a. 3 b. 4 c. undefined d. Error
11What error would the following function give on compilation.
f (int a,int b)
{
int a;
a=20;
return a;
}
a. Missing parantheses in return statement.
b. The function should be defined as
int f(int a,int b)
c. Redeclaration of a.
d. None of the above.
2 )#define str(x) #x
#define Xstr(x) str(x)
#define oper multiply
main( )
{
char *opername=Xstr(oper);
printf(“%s”,opername);
}
a. oper b. multiply c. Error d. None
13)main( )
{
printf(“%c”,7[“sundaram”]);
}
a. S b. m c. \0 d. Error
14)main( )
{
int a[ ]={10,20,30,40,50};
char *p;
p=(char *)a;
printf(“%d”,*((int *)p+4));
}
a. 50 b. 10 c. Error d. None
15)When a array int arr[MAXROW][MAXCOL] is passed to a function fun( ) then the function fun( ) will be defined as
a. fun(int a[ ][MAXCOL])
b. fun(int a[ ][MAXROW])
c. fun(int (*ptr)[MAXCOL]))
d. fun(int a[ ])
16)main( )
{
printf(“%c”,”abcdefgh”[4]);
}
a. a b. e c. Error d. None
17)main( )
{
printf(“%d %d %d”,sizeof(‘3’),sizeof(“3”),sizeof(3));
}
a. 1 1 1 b. 2 2 2 c. 1 2 2 d. 1 1 1
18)main( )
{
struct emp{
char n[20];
int age;}
struct emp e1={“david”,23};
struct emp e2=e1;
if(e1= = e2) printf(“structures are equal”);
}
a. structures are equal
b. No output
c. Error
d. None
19)main( )
{
FILE *fp;
fp=fopen(“x1”,”r”);
}
fp points to
a) The first character in the file
b) A Structure which contains a char pointer which points to the first character in the file.
c) Name of the file
d) None of the above
20)If the following program (myprog) is run from the command line as
myprog “*.c”
What would be the output?
main (int arg c, char *argv[ ])
{
int i;
for (i=1; i<argc; i++)
Printf(“%s”, argv [I]);
}
a) *.C
b) List of all .C files in the current directory
c) “*.C”
d) None
21)Which of the following is true about argv?
a) It is an array of character pointers
b) It is a pointer to an array of character pointers
c) It is an array of integers.
d) None
22)If the following program (myprog) is run from the command line as
myprog Friday Tuesday Sunday
What would be the output?
main(int argc, char *argv[])
{
printf(“%C”, (* ++ argv)[0];
}
a) m b) f c) myprog d) Friday
23)main( )
{
int a;
char *[ ]= “Programming”;
for (a=0; x[a]! = ‘\0’; a++)
if (( a%2 = =0) printf(“% C”, x[a]);
}
The output is
a) Programming b) rgamng c) Pormig d) None
24)float *(* x[20]) (int *a)
a) x is array of pointer to functions accepting integer pointer as an argument and returning a pointer to float.
b) x is pointer to a function which accepts an array of pointers and returns a float
c) x is a pointer to a function that accepts a pointer to an integer array and returns a character
d) None
25)Declaration for a pointer to function pointer that accepts an argument which is an array of pointer 5 integers and returns a pointer to a character is
a) char * (* ptr) (int * a[5])
b) char (*x) (int (*a) [])
c) char * (*x) (int a[5])
d) char * (*x[5]) (int a[5])
26) main( )
{
int count, end=20;
for (count=1; count<=end; count++)
{
if(count %2) continue;
else
if(count %4) continue;
else
if(count %6) continue;
else
if(count %8) continue;
else
if(count %10) continue;
else
if(count %12) continue;
else
printf(“%d”, count); }
printf(“%d”, count);
}
The output is
a)No display b) Error c) 20 21 d) 21
27)
main( )
{
int n[25];
n[0] = 100;
n[24] = 200;
printf(“\n%d%d”, * n, *(n+24) + *(n+0));
}
a) 100 300 b) 100 200 c) Error d) 300, 100
28)
main( )
{
int i;
scanf( “%d”, &i);
switch( i ){
case 1 :
printf( “Do”);
case 2 :
printf( “ Re “);
case default :
printf( “ SACHIN “);
} }
The output will be
a) DO Re SACHIN b) SACHIN c) Do Re d) Error
29) . main( )
{
int b;
b = f(20);
printf( “%d”, b);
}
int f(int a)
{
a>20 ? return(10) : return(20);
}
a) 20 b) 10 c) No output d) Error
30)
main( )
{
int arr[ ] = { 0, 1, 2, 3, 4};
int *ptr;
for (ptr = &arr[0]; ptr <= &arr[4]; ptr++)
printf(“%d”, *ptr);
}
a) 0 1 2 3 4 b) 1 2 3 4 5 c) Error d) Some Garbage Value
1) main( )
{
struct s1
{
char*str;
int i;
struct s1*ptr;
};
static struct s1 a[ ] ={
{“Nagpur”, 1, a + 1},
{“Raipur”, 2, a + 2},
{“Kanpur”, 3, a}
};
struct s1*p = a;
int j;
for (j = 0; j <=2; j++)
{
printf(“%d”, - - -a[j].i);
printf(“%s\n”, ++a[j].str);
}
} a) 1 aipur b) 0 agpur c) 0 aipur d) None
0 agpur 1 aipur 1 agpur
2 anpur 2 anpur 2 anpur
2) #define NULL 0
main( )
{
struct node
{
struct node *previous;
int data;
struct node *next;
};
struct node *p, *q;
p = malloc(size of(struct node));
q = malloc(size of (struct node));
p->data = 75;
q->data = 90;
p->previous = NULL;
p->next = q;
q->previous = p;
a->next = NULL;
while(p!=NULL)
{
printf(“%d\n”, p->data);
p =p->next;
}
} a) 90 b) 75 c) 90 d) None
75 90 90
3) main( )
{
struct a
{
int i;
int j;
};
struct b
{
char x;
char y[3];
};
union c
{
struct a aa;
struct b bb;
};
union c u;
u.aa.i = 512;
u.aa.j = 512;
printf(“%d%d”, u.bb.x, u.bb.y[0]);
printf(“%d%d”, u.bb.y[1], u.bb.y[2]);
}
a)2020 b) 0022 c) 0202 d) None
4)main( )
{
int a = 3, b = 2, c =1, d;
d = a| b & c;
printf(“d = %d\n”, d);
d = a| b & ~ c;
printf(“d =%d\n”, d);
} a) d = 2 b) d = 3 c) d = 1 d) one
d = 2 d = 3 d = 1
5)
| What is the output? line 1 main ( ) line 2 { line 3 char a{3}{3}= {{‘a’,’b’,’c’},{‘p’,’q’,’r’},{‘x’,’y’,}} line 4 char**p; line 5 *p=a[0]; line 6 printf(“%s\n”.*p); line 7 } | |||
| a)Abc | c) | Abcpqrxy | |
| b)Compilation error | d). | None of the above | |
| 6. | What will be the output of this program? #include<stdio.h> void main(void) { int varl=5,var2=5,var3=6,minmax; minmax=(var1>var2)?(var1>var3) ? varl:var3:(var2>var3)? var2:var3; printf(“%d\n”,minmax); } This program will | ||||||||||
| | a. | Produce a runtime error | c. | Print 5 | |||||||
| | b. | Produce a compilation error | d. | Print 6 | |||||||
| | | ||||||||||
| 7. | What will be the output of the following program? | ||||||||||
| | | main( ) { int x = 1, y = 4, z = 4; printf("ans=%d", z >= y && y >= x ? 100:200); } | |||||||||
| | | | | | |||||||
| | a. | 100 | c. | 200 | |||||||
| | b. | 100 200 | d. | None of the above | |||||||
| | | | | | |||||||
| 8. | To get the output c=0 d=2 What should be coded in the blank space? | ||||||||||
| | | main( ) { enum code { add, delete, modify, unchanged }; ............................... ; CODE c,d; c = add; d = modify; printf("c=%d d=%d",c,d); } | |||||||||
| | | | | | |||||||
| | a. | Typedef code CODE | c. | typedef enum code CODE | |||||||
| | b. | Typedef enum code | d. | None of the above | |||||||
| | | | | | |||||||
| 9 | | |||||||||||
| | | #include"stdio.h" main( ) { FILE *fp; Char str[80]; /*TRIAL.C contains only one line: it’s a round,round,round world!*/ fp=fopen(“TRIAL.C","r"); ________________________ ; puts(str); } | ||||||||||
| | | To get this output "its a round, round, round world!" in an infinite loop, what should be coded in the blank space. | ||||||||||
| | | | | | ||||||||
| | a. | While(fgets(Str,80,fp)!=EOF) | c. | while(getch(fp)!=EOF | ||||||||
| | b. | While(fp!=NULL) | d. | None of the above | ||||||||
| | | | | | ||||||||
| | | |||||||||||
| 10)What will be the output of the following program? | ||||||||||||
| | #define ISLOWER(a) (a >= 97 && a <= 127) #define TOUPPER(a) (a-32) main( ) { char ch='c'; if(ISLOWER(ch)) ch=TOUPPER(ch); printf("%c",ch); } | |||||||||||
| a. | C | c. | 99 | |||||||||
| b. | C | d. | None of the above | |||||||||
| | | | | |||||||||
| | ||||||||||||
11)for(; i<5;) is equivalent to
1. while(i<5) statements;
2. do statements;
while(i<5);
3. if(i<5) statements;
a. 1,2,3 b. 2 c. 1,2 d. 1
12) If a = 010011 then a << 2 is
a. 010110
b. 011100
c. 101100
d. None of the above
13. If you are using “open” function for opening a file the file handle should be of
____________ type.
a) FILE
b) int
c) char
d) None of the above
14)main( )
{
static float a[ ] = { 13.24, 1.5}
float *j, *k;
j = a;
k = a + 2;
j = j * 2;
k = k/2;
printf(“%f%f ”, *j, *k);
}
a) Error b) Some value c) No output d) None of the above
15)main( )
{
static char s[ ] = “Rendezvous”;
printf(“%d”, *(s+ strlen(s)));
}
a) 0 b) Rendezvous c) ‘\0’ d) Error
16)# include “stdio.h”
main( )
{
FILE *fp;
char c;
fp = fopen(“TRY.C, “,”r”);
if(fp = NULL)
{
puts(“Cannot open file”);
exit(1)
}
while((c =getc(fp))! = EOF)
putch(c );
fclose(fp);
}
a) Error c) Each character read would be displayed on the screen
b) No output
17)main( )
{
char ch = `E`
switch(ch)
{
case(ch > = 65 && ch < =90):
printf(“Capital Letter”);
break;
case(ch >=97 && ch<=122):
printf(“small case letter”);
break;
default:
printf(“BAI”);
}
}
a) Error message b) Capital Letter c)small case letter d) BAI
18) Carefully go through the following code
#include <stdio.h>
void main(void);
void main(void)
{
struct s{
int x;
float y;
}s1 = {25,45.00};
union u{
int x;
float y;
}u1;
u1=(union u)s1;
printf("%d and %f",u1.x,u1.y);
}
/* What will this program point ?
a) 25 and 45.00
b) Produce a compilation error
c) 45 and 45.00
d) Produce a runtime error */
19)
Consider the following C program.
#include <stdio.h>
void main(void)
{
unsigned int c;
unsigned x=0x0003;
scanf("%u",&c);
switch(c&x)
{
case 3 : printf("Hello! \t");
case 2 : printf("Welcome \t");
case 1 : printf("To All \t");
default: printf("\n");
}
}
If the value input for the variable c is 10, what will be the output
of the program ?
a) The program will generate a compile time error as there is no break
statement for the various case choices.
b) The program will print Hello!
c) The program will print Welcome To All
d) None of the above
20)
Study the following program
#include <stdio.h>
void main(void);
void main(void)
{
int var1=5,var2=5,var3=6,minmax;
minmax = (var1 > var2) ? (var1 > var3) ? var1:var3:(var2 > var3) ? var2:var3;
printf("%d\n",minmax);
}
This program will
a) Produce a runtime error
b) Produce a compilation error
c) Print 5
d) Print 6
21)
Consider the following C program.
#include <stdio.h>
void main(void)
{
unsigned int c;
unsigned x=0x0003;
scanf("%u",&c);
switch(c&x)
{
case 3 : printf("Hello! \t");
case 2 : printf("Welcome \t");
case 1 : printf("To All \t");
default: printf("\n");
}
}
If the value input for the variable c is 10, what will be the output
of the program ?
a) The program will generate a compile time error as there is no break
statement for the various case choices.
b) The program will print Hello!
c) The program will print Welcome To All
d) None of the above
| 22. | What will be the output of the following program? | ||||||||
| | | main( ) { int i=3; switch (i) { case 1: printf("au revoir!”); case 2: printf("adieu!"); case 3: continue; default: printf("plain simple goodbye!"); } } | |||||||
| | | | |||||||
| | a. | plain simple goodbye | c. | au revoir adieu | |||||
| | b. | Error | d. | None of the above | |||||
| | | | | | |||||
| 23. | What will be the output of the following program? | ||||||||
| | | main( ) { static float a [ ]={13.24,1.5,1.5,5.4,3.5}; float *j, *k; j=a; k=a+4; j=j*2; k=k/2; printf("%f %f",*j,*k); } | |||||||
| | | | | | |||||
| | a. | 13.24 1.5 | c. | Compilation error | |||||
| | b. | 15.5 5.4 | d. | Runtime error | |||||
| | | | | | |||||
| 24. | What is the output of the following code? | ||||||||
| | | main ( ) { struct xyz { int I; int k; } pqr = {100,300}; struct xyz *z; z=&pqr; z->I=300; z->k=100; abc(z) } abc(char *p) { p++; printf(“%d\n”,*p); } | |||||||
| | | | |||||||
| | a. | 5 | |||||||
| | b. | 1 | |||||||
| | c. | 2 | |||||||
| | d. | None of the above | |||||||
| | | | |||||||
| 25. | What will be the output of the code given below? | ||||||||
| | | main ( ) { int c =0,d=5,e=10, a; a=c>1?d>1||e>1? 100:200:300; printf(“a=%d”,a); } | |||||||
| | | | |||||||
| | a. | 300 | |||||||
| | b. | 200 | |||||||
| | c. | 100 | |||||||
| | d. | Error | |||||||
| | | | |||||||
| 26. | What will this program print? | ||||||||
| | | #define MAX (x,y)(x)>(y)>(y)?(x)(y) main ( ) { int I=10,j=5,k=0; k=MAX(I++,++j); printf(“%d…%d…%d”,I,j,k); } | |||||||
| | | | |||||||
| | a. | 11…12…13 | |||||||
| | b. | 12...11...13 | |||||||
| | c. | 12...6…11 | |||||||
| | d. | None of the above | |||||||
| | | | |||||||
| 27. | What will be the output of the following ‘C’ program? | ||||||||
| | | main ( ) { int I=0; switch (I) { case 0: I++ ; printf(“%d..”,I); case 1: printf(“%d..”,I); case 2: printf(“%d..”,I); } } | |||||||
| | | | |||||||
| | a. | 1..1..1.. | |||||||
| | b. | 1.. | |||||||
| | c. | 1..1.. | |||||||
| | d. | Error | |||||||
| | | | |||||||
| 28. | What will be the output of the code given below? | |||||||||||||||||||
| | | main ( ) { static char *s [ ] ={ “ice”, “green”, “cone”, “please” }; static char **ptr[ ]={s+3,s+2,s+1,s}; char ***p=ptr; printf(“%s\n”,**++p); printf(“%s\n”,*--*++p+3); printf(“%s\n”,*p[-2]+3); printf(“%s\n”,p[-1][-1]+1); } | ||||||||||||||||||
| | | | | | | | | | ||||||||||||
| | A | cone ase reen | B | ase cone reen | C | reen ase cone | D | None | ||||||||||||
| | | | ||||||||||||||||||
| 29 | What will be the result of the following program? | |||||||||||||||||||
| | | main ( ) { void f(int,int); int i=10; f(i,i++); } void f(int i, int j) { if(i>50) return; i+=j; f(i,j); printf(“%d”,i); } | ||||||||||||||||||
| | | | ||||||||||||||||||
| | a. | 85,53,32,21 | b. | 10,11,21,32,53 | c. | 21,32,53,85 | d. | None | ||||||||||||
| | | | | | | | | | ||||||||||||
| 30. | What will be the output of the following code? | |||||||||||||||||||
| | | main ( ) { FILE*fp; fp=fopen(“TRIAL.C”,”r”); fclose(fp); } | ||||||||||||||||||
| | | | ||||||||||||||||||
| | a. | The file TRIAL.C if existing will be opened in read mode | ||||||||||||||||||
| | b. | Error will be generated because c file cannot be opened through fopen | ||||||||||||||||||
| | c. | Error will be generated because fclose( ) cannot be given with the file pointer | ||||||||||||||||||
| | d. | None of the above | ||||||||||||||||||
| | | | ||||||||||||||||||
| 31 | What is the value of i after the following function is executed 17 times | |||||||||||||||||||
| | | void test ( ) { static float i=0.0; i=7.5; i=+=7.5; } | ||||||||||||||||||
| | | | | | ||||||||||||||||
| | a. | 7.5 | c. | 15.0 | ||||||||||||||||
| | b. | 15+16*7.5 | d. | 0.0 | ||||||||||||||||
| | | | ||||||||||||||||||
| 32. | What is the value of m when the following program runs? | |||||||||||||||||||
| | | void transform(register int*x) { x+=5*3; } void main ( ) { register int m=3; transform(&m); } | ||||||||||||||||||
| | | | ||||||||||||||||||
| | a. | 18 | ||||||||||||||||||
| | b. | 24 | ||||||||||||||||||
| | c. | 3 | ||||||||||||||||||
| | d. | Erroneous program as a register variable has no address | ||||||||||||||||||
| | | | ||||||||||||||||||
________________________________________________________________________
FUNDAMENTALS OF COMPUTERS
1. What was the name of the first commercially available Microprocessor chip?
a. Intel 8008
b. Intel 8080
c. Intel 4004
d. Motorola
2. The parity bit is added for ______________ purpose
a. Coding
b. Indexing
c. Error detection
d. Controlling
3. A logic gate is an electronic circuit which
a. Makes logic decisions
b. Allows electron flow in only direction
c. Works on binary algebra
d. Alternates between 0 and 1
4. The process of converting analog signal into digital signals so they can be processed by a receiving computer is referred to as
a. Modulation
b. Demodulation
c. Synchronizing
d. Desynchronozing
5. A distributed data processing configuration in which all activities must pass through a centrally located computer is called
a. Ring Network
b. Spider network
c. Hierarchical Network
d. Data control Network
6. Communication between computers is always
a. Serial
b. parallel
c. series parallel
d. direct
7. Two basic types of Operating Systems are
a. Sequential and direct
b. Batch and timesharing
c. Direct and interactive
d. Batch and interactive
8. Multiprogramming was made possible by
a. Input/Output units that operate independently of the CPU
b. Operating Systems
c. Both c and d
d. Neither a and b
9. What is the alternative name for application software
a. Utility software
b. Specific software
c. End-user software
d. Practical software
10 Which of the following is not the characteristic of a relational database model
a. Tables
b. Treelike structure
c. Complex logical relationship
d. Records
11. The language used in the application programs to request data from the DBMS is referred to as the
a. DML
b. DDL
c. Query language
d. Any of the Above
12. In data flow diagrams, an originator or receiver of data is usually designated by
a. square box
b. a circle
c. a rectangle
d. an arrow
13. A. Decision trees are easier for most people to understand than decision tables.
B. Structured English is easier to convert to program code than regular narrative
English.
a. both A and b are true
b. both A and B are false
c. Only A is true
d. Only B is true
14. Who invented the GOTO instruction that tells a computer to jump backwards or forwards in its program
a. Charles Babbage
b. Ada Augusta Byron
c. JM Jackguard
d. Grace Murray Hooper
15. What is the name of the program coding that is unnecessarily complex and difficult to follow
a. Pseudocode
b. Spaghetti
c. Complex Code
d. Object Code
16. What is the name of the programming technique, which emphasizes breaking large and complex tasks into successively smaller sections?
a. Scrambling
b. Structured Programming
c. Micro Programming
d. Sub Programming
17. Data integrity refers to
a. Privacy of data
b. The simplicity of data
c. The validity of data
d. The security of data
18. Which data communication method is used for sending data in both directions at the same time.
a. Super duplex
b. Simplex
c. Half duplex
d. Full duplex
19. What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers?
a. 6
b. 9
c. 8
d. 7
20. The transfer of data from a CPU to peripheral devices of a computer is achieved through
a. modems
b. computer ports
c. interfaces
d. buffer memory
21. The channel in the data communication model can be
a. postal mail services
b. telephone lines
c. radio signals
d. all the above
22. The systematic access of small computers in a distributed data processing system is referred to as
a. dialed service
b. multiplexing
c. polling
d. conversational mode
23. A characteristic of a multi programming system is
a Simultaneous execution of Program instructions from two applications
b. Concurrent processing of two or more programs
c. Multiple CPU’s\
d. All the above
24. In the IBM PC - AT, What do the words AT stand for
a. Additional Terminal
b. Advance Technologies
c. Applied Technologies
d. Advanced terminology
25. Different components on the motherboard of a PC processor unit are linked together by sets of parallel electrical conducting lines. What are these lines called?
a. Conductors
b. Buses
c. Connectors
d. Connectivity
26. Execution of instructions from different and independent programs by a computer at the same instant time is called
a. Multiprogramming
b. Multiprocessing
c. Concurrent Programming
d. Multitasking
27. Which of the following terms is the most closely related to main memory?
a. nonvolatile
b. permanent
c. control unit
d. temporary
28. Which of the following are true?
a. Fields are composed of bytes
b. Fields are composed of characters
c. Records are composed of fields
d. All the above
29 Which of the following hardware component is most volatile?
a. ROM
b. RAM
c. PROM
d. EEPROM
30. Which of the following affects the processing power?
a. Data bus capacity
b. Addressing scheme
c. Register size
d. All the above
31 An integrated circuit is
a. a complicated circuit
b. an integrating device
c. much costlier than single transistor
d. fabricated in a single silicon chip
32 Data processing is
a. The same thing as data collection
b. Similar to computer programming
c. Mostly associated with commercial network
d. Akin to data coding
33 A program written in machine language is called as ___________ program
a. assembler
b. object
c. computer
d. machine
34 A factor in the section of source language is
a. programmer skill
b. language availability
c. program compatibility with other software
d. all the above
35. Which of the following is not transmission medium
a. Telephone lines
b. Coaxial cables
c. Modem
d. Microwave systems
36. 10 GB HD space refers to
a. 10 gigabytes of main memory
b. 10 gigabytes of section memory
c. 10 gigabytes of Virtual memory
d. All the above
37. A byte is
a. 8 bits
b. 4 bits
c. 16 bits
d. 32 bits
38. If you have a 64 kbps Internet line, it means that your maximum data transfer rate is
a. 64 X 1000 bits per sec
b. 64 X 1024 bits/sec
c. 64 X 1000 bytes/sec
d. 64 X 1024 bytes/sec
39. Unix is
a. Multi-user OS
b. Multi-user and Multitasking OS
c. Multitasking OS
d. Batch OS
40. A stack is a
a. FIFO list
b. LIFO list
c. Linear list
d. Circular list
41. A directory is organized as
a. An inverted tree
b. Is a one-d list of all files in the system
c. Contain a list of all users of the system
d. All the above
e.
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