C Programming1. 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 worksd) 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 challengingc) 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 2d. 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 equalb. No outputc. Errord. None
32. main( ) { char a[ ]; a[0] = ‘A’; printf(“%c”, a[0]); }
a) Compilation Errorb) No outputc) Ad) 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 bea) 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)0,5,9,13,17b)5,9,13,17c)12,17,22d)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 pc) increments bothd none of the above
w8) What's wrong with the code "char c; while((c = getchar()) != EOF) ..."?a) EOF cannot be used in while loopb) EOF cannot be used with getcharc) C should be an integerd) 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 asa. 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 2d. 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 equalb. No outputc. Errord. None
19)main( ) { FILE *fp; fp=fopen(“x1”,”r”); } fp points to
a) The first character in the fileb) A Structure which contains a char pointer which points to the first character in
the file.c) Name of the filed) None of the above
20)If the following program (myprog) is run from the command line asmyprog “*.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) *.Cb) List of all .C files in the current directoryc) “*.C”d) None
21)Which of the following is true about argv?a) It is an array of character pointersb) It is a pointer to an array of character pointersc) 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 floatc) x is a pointer to a function that accepts a pointer to an integer array and returns
a characterd) 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. 200b. 100 200 d. None of the above
8. To get the outputc=0 d=2What 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 CODEb. 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)!=EOFb. 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. 99b. C d. None of the above
11)for(; i<5;) is equivalent to1. 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. 010110b. 011100c. 101100d. None of the above
13. If you are using “open” function for opening a file the file handle should be of ____________ type.
a) FILEb) intc) chard) 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 45.00b) Produce a compilation errorc) 45 and 45.00d) 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 outputof the program ?
a) The program will generate a compile time error as there is no breakstatement for the various case choices.
b) The program will print Hello!c) The program will print Welcome To Alld) 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 errorb) Produce a compilation errorc) Print 5d) 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 outputof the program ?
a) The program will generate a compile time error as there is no breakstatement for the various case choices.
b) The program will print Hello!c) The program will print Welcome To Alld) 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 adieub. 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 errorb. 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. 5b. 1c. 2d. 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. 300b. 200c. 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…13b. 12...11...13c. 12...6…11d. 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
asereen
B ase
conereen
C reen
asecone
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 modeb. Error will be generated because c file cannot be opened through fopenc. Error will be generated because fclose( ) cannot be given with the file pointerd. 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. 15.0b. 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. 18b. 24c. 3d. 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 8008b. Intel 8080c. Intel 4004d. Motorola
2. The parity bit is added for ______________ purpose
a. Codingb. Indexingc. Error detectiond. Controlling
3. A logic gate is an electronic circuit which
a. Makes logic decisionsb. Allows electron flow in only directionc. Works on binary algebrad. 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. Modulationb. Demodulationc. Synchronizingd. Desynchronozing
5. A distributed data processing configuration in which all activities must pass through a centrally located computer is called
a. Ring Networkb. Spider networkc. Hierarchical Networkd. Data control Network
6. Communication between computers is always
a. Serialb. parallelc. series paralleld. direct
7. Two basic types of Operating Systems are
a. Sequential and directb. Batch and timesharingc. Direct and interactived. Batch and interactive
8. Multiprogramming was made possible by
a. Input/Output units that operate independently of the CPUb. Operating Systemsc. Both c and dd. Neither a and b
9. What is the alternative name for application software
a. Utility softwareb. Specific softwarec. End-user softwared. Practical software
10 Which of the following is not the characteristic of a relational database model
a. Tablesb. Treelike structurec. Complex logical relationshipd. Records
11. The language used in the application programs to request data from the DBMS is referred to as the
a. DMLb. DDLc. Query languaged. Any of the Above
12. In data flow diagrams, an originator or receiver of data is usually designated by
a. square boxb. a circlec. a rectangled. 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 trueb. both A and B are falsec. Only A is trued. 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 Byronc. JM Jackguardd. Grace Murray Hooper
15. What is the name of the program coding that is unnecessarily complex and difficult to follow
a. Pseudocodeb. Spaghettic. Complex Coded. 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 Programmingc. Micro Programmingd. Sub Programming
17. Data integrity refers to
a. Privacy of datab. The simplicity of datac. The validity of datad. The security of data
18. Which data communication method is used for sending data in both directions at the same time.
a. Super duplexb. Simplexc. Half duplexd. Full duplex
19. What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers?
a. 6b. 9c. 8d. 7
20. The transfer of data from a CPU to peripheral devices of a computer is achieved through
a. modemsb. computer portsc. interfacesd. buffer memory
21. The channel in the data communication model can be
a. postal mail servicesb. telephone linesc. radio signalsd. all the above
22. The systematic access of small computers in a distributed data processing system is referred to as
a. dialed serviceb. multiplexingc. pollingd. conversational mode
23. A characteristic of a multi programming system is
a Simultaneous execution of Program instructions from two applicationsb. Concurrent processing of two or more programsc. Multiple CPU’s\d. All the above
24. In the IBM PC - AT, What do the words AT stand for
a. Additional Terminalb. Advance Technologiesc. Applied Technologiesd. 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. Conductorsb. Busesc. Connectorsd. Connectivity
26. Execution of instructions from different and independent programs by a computer at the same instant time is called
a. Multiprogrammingb. Multiprocessingc. Concurrent Programmingd. Multitasking
27. Which of the following terms is the most closely related to main memory?
a. nonvolatileb. permanentc. control unitd. temporary
28. Which of the following are true?
a. Fields are composed of bytesb. Fields are composed of charactersc. Records are composed of fieldsd. All the above
29 Which of the following hardware component is most volatile?
a. ROMb. RAMc. PROMd. EEPROM
30. Which of the following affects the processing power?
a. Data bus capacityb. Addressing schemec. Register sized. All the above
31 An integrated circuit is
a. a complicated circuitb. an integrating devicec. much costlier than single transistord. fabricated in a single silicon chip
32 Data processing is
a. The same thing as data collectionb. Similar to computer programmingc. Mostly associated with commercial networkd. Akin to data coding
33 A program written in machine language is called as ___________ program
a. assemblerb. objectc. computerd. machine
34 A factor in the section of source language is
a. programmer skillb. language availabilityc. program compatibility with other softwared. all the above
35. Which of the following is not transmission medium
a. Telephone linesb. Coaxial cablesc. Modemd. Microwave systems
36. 10 GB HD space refers to
a. 10 gigabytes of main memoryb. 10 gigabytes of section memoryc. 10 gigabytes of Virtual memoryd. All the above
37. A byte is a. 8 bitsb. 4 bitsc. 16 bitsd. 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 secb. 64 X 1024 bits/secc. 64 X 1000 bytes/secd. 64 X 1024 bytes/sec
39. Unix is
a. Multi-user OSb. Multi-user and Multitasking OSc. Multitasking OSd. Batch OS
40. A stack is a
a. FIFO listb. LIFO listc. Linear listd. Circular list
41. A directory is organized as
a. An inverted treeb. Is a one-d list of all files in the systemc. Contain a list of all users of the systemd. All the above
e.