d)only getch() 9)conio.h has declaration of a)getch() and clrscr() b)printf() and scanf() c)scanf() and getch() d)only getch()

Size: px

Start display at page:

Download "d)only getch() 9)conio.h has declaration of a)getch() and clrscr() b)printf() and scanf() c)scanf() and getch() d)only getch()"

Wesley Berry
6 years ago
Views:

1 Practice Problems-2 Prepared by:dilip Kumar Gangwar(Faculty,CS/IT DEPTT GEHU) 1)C Language is developed by- 1.Bjarne stroutstrup 2.Dennis Ritchie 3.R.Byrant 4.None of the above 2)C is a a)middle level language b)high level language c)low level language d)c is not a language 3)Header files have the extension a).c b).hf c).txt d).h 4)Header files have a)function declaration b)function definition c)both(a) and (B) d)none of these 5)printf() and scanf() are a)function and datatype respectively b) datatype and function respectively c)both functions d)data type and Datatypes respectively 6) is a a) function b)datatype c)variable d)header file 7)stdio.h is a a)header file b)datatype c)variable 8)stdio.h has declaration of a)getch() and clrscr() b)printf() and scanf() c)scanf() and getch() d)only getch() 9)conio.h has declaration of a)getch() and clrscr() b)printf() and scanf() c)scanf() and getch() d)only getch() 10)return statement can be used to a)simply return the control to a function from where it has come without specifying any value b) return the control to OS c)return value to a function from where it has come d)return to home. e)both (A) and (b) 11)The statement int a is a) definition of a b)declaration of a c)both (a) and (b) 12) The statement int a=10 is a a) definition of variable a b)declaration of a c)both (a) and (b) 13) int int a=12; printf( %d,a); Ouput of it is---- a)10 12 b)12 10 c)10

2 d)12 e)compile time error redefinition of a 14)getch() is used to a)read or take the value from keyboard/user b)hold the screen c)print anything on screen 15)scanf() is used to a)read or take the value from keyboard/user b)hold the screen c)print anything on screen 16)printf() is used to a)read or take the value from keyboard/user b)hold the screen c)print anything on screen 17)clrscr() is used to a)read or take the value from keyboard/user b)hold the screen c)print anything on screen d)clearing the previous output on the screen 18)Full form ofide a)integrated disk environment b) Integrated development environment c)integrated datum enum 19)IDE is a)virus b)hardware which helps to print our data c)a software which provides the facility/environment to a programmar to develop programs in a programming language d) a software which provides the facility/environment to a programmar to crash the OS 20)Ascii value of semicolon ( ; ) and blank/space is a)59 32 b) what is the output of the following code..? Int Char s= c ; Printf( %d%d\n,sizeof(s),sizeof( c )) ; a. 1 1 b. 1 8 c )int emp id=341; Here variable name emp id is valid or not?give reason 23)Compiler like Turbo c/c++ or Dev c++ is a a)software b)hardware c)name of a datatype d)all of the above 24) What will be the output? int int c=5; int d=2;

3 int e=a*d +b/c; printf("%d",e); 1. error none 25) int avg=a+b+c/3; printf("avg=%f",avg); a)avg=5.66 b) avg= c) avg=5 26) int avg=(a+b+c)/3; printf("avg=%f",avg); a) avg=5.66 b) avg= c) avg=5 27)int float a=10; avg=a+b+c/3; printf("avg=%f",avg); a)5.66 b)5.0 c) )int float a=10; avg=(a+b+c)/3; printf("avg=%f",avg); a) b)5.0 c)5 29)int float a=10; avg=(a+b+c)/3; printf("avg=%d",avg);

4 a)5.66 b)5.0 c)5 d) or abnormal program termination 30) int Int x,y,z; x=20++; y=++x++; z=(x+y)--; printf( %d %d %d,x,y,z); Output A b) c)error L value required 31) int a ; printf( %d,a); 1)0 2)9.88 c)a d)garbage value 32)size of a datatype is a)machine independent b)machine dependent c)always fixed 33) printf( %x,11); a)b or B b)14 c)x 34) printf( %o,11); a)13 b)11 c)x 35)Comments in c are of a)2 types b)4 type c)1 type 36)Computer understand language of a)english b) 0 s and 1 s c)assembly language d)it is fool 37)1 byte= bits a)5 b)8 c)9 d)16 38)1 kb= byte a)2^10 b)2^20 c)2^30

5 39)1 MB= byte a)2^10 b)2^20 c)2^30 40)1 GB= byte a)2^10 b)2^20 c)2^30 41) char ch='a'; printf("%d %c",ch,ch); a)66 A b)65 A c)97 A d)error 42) char ch=130; printf("%d",ch); a)-129 b)-126 c)-130 d)error 43) void float a= ; printf("%f ",a); printf("%.2f ",a); printf("%.3f",a); a) b) ) void float a1,b1,a2,b2,a3,b3; a1=2; b1=6.8; a2=4.2; b2=3.57; a3=9.82; b3=85.673; printf("%3.1f %4.2f\n",a1,b1); printf("%5.1f %6.2f\n",a1,b1); printf("%7.1f %8.2f\n",a1,b1); a) b) ) int a; int i=2; a=i++; printf("%d %d ",i++,a); printf( %d,i); a)3 2 4 b) ) ) ) int a; int i=2; a=++i; printf("%d %d ",i++,a); printf("%d,i); a)3 2 4 b) ) )2 3 3

6 47) int a; int i=2; a=++i + ++i; printf("%d %d",i++,a); a)4 7 b)8 4 c)4 8 d) ) int x=4,y=3,z;; z=x-- - y; printf("%d %d %d",x,y,z); a)3 3 2 b)4 3 1 c)3 3 0 d) ) If line 4 is changed to z=--x - y; the ouput is a)3 3 2 b)4 3 1 c)3 3 0 d) )A c variable cannot contain a)blank spaces b)hyphen 3)decimal point d)allof the above 51)a=30* evaluates to a) b)32768 c)10000 d)0 52) int i=4,j=-1,k=0,y,z; y=i + 5 && j +1 k+2; printf("%d %d ",i,j); z=i+5 j+1 && k+2; printf("%d %d",y,z); a) b) c) d) ) int i=-1,j=1,k,l; k=!i &&!j; l=!i j; printf("%d %d %d %d",i,j,k,l); a) b) c) d) ) int printf("%d %d %d",a,a++,++a); a) b) c) ) int int x=25,y=25,z; z=x==25&&y<++x; printf("\n%d %d %d ",x,y,z); a) ) int

7 int x=25,y=10,z=10; x=y==z; printf("\n%d %d %d ",x,y,z); a) b) c) d) Error 57) int int x=100; printf("%d",20+ x++); printf("%d",20+ ++x); a) b) c) ) int int a=7,b=12,c=13,i; i=a b&c; printf("%d\n",i); a)13 b)15 c)garbage 59) void int a=5,b=3; b=++a + a b; b=--b + --a *b++; printf("%d %d",a,b); a)6 79 b)6 92 c) )int c= 4*12-7>>2; a)45 b)20 c)10 d)none 61) What will be output of the following program? int int a=2,b=7,c=10; c=a==b; printf("%d",c); a)10 b)0 c)7 d) 2 62) What will be output of the following program?give reason for your answer void int x; x=10,20,30; printf("%d",x); a)10 b)20 c)30 d) e)error 63) What will be output of the following program On turbo c++(tc)? int printf("%d %d %d",sizeof(3.14),sizeof(3.14f),sizeof(3.14l)); a) b) c) ) What will be output of the following program? int int x=10,y=20,z=5; printf("%d %d %d"); a) b)garbage answers c) d)compile time error 65) What will be output of the following program in Turbo C? int int a; a=sizeof(!5.6); printf("%d",a); a)4 b)2 c)0 d)1 66) What will be output of the following c program? int long int 1a=51; printf("%ld",1a); a)51 b) 4 c) compilation error 67)

8 int int _=5; int =10; int ; =_+ ; printf("%d", ); a)error b) 15 c)0 5)5 72) void int c=printf( language ); printf( %d,c); a)0 b)1 c) 8 d)2 68)What is the valid C statement to print the message My salary increased to 10%!? a)printf( My salary increased to 10%! ); b)printf( My salary increased to 10%%! ); c)printf( My salary increased to 10\%\! ); d)printf( My salary increased to 10/%//! ); 69) int int a=2; int b; b=a>7 +4 *8 && (a=a+3); printf("%d %d",a,b); a)5 0 b) 2 1 c) 2 0 d)5 1 70)void float a; a=(float)(sizeof( a )); printf( %f,a); a) b) c) )void int a=3,b=78,c; c=printf( %d %d,a,b); printf( %d\n,c); a) b) c) d)error 71) void int a,b,c; c=scanf( %d%d,&a,&b); printf( %d\n,c); Suppose in scanf, input is= 5 9 a)3 b)2 c)5 2 9 d)error

Practice Problems. 1)C Language is developed by- 1.Bjarne stroutstrup 2.Dennis Ritchie. 2)C is a a)middle level language b)high level language

Practice Problems. 1)C Language is developed by- 1.Bjarne stroutstrup 2.Dennis Ritchie. 2)C is a a)middle level language b)high level language Practice Problems Prepared by:dilip Kumar Gangwar(Faculty,CS/IT DEPTT GEHU) 1)C Language is developed by- 1.Bjarne stroutstrup 2.Dennis Ritchie 3.R.Byrant 4.None of the above 2)C is a a)middle level language