Explore topic-wise MCQs in Technical Questions.

This section includes 37 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Questions knowledge and support exam preparation. Choose a topic below to get started.

1.

Which Of The Following Statements Is Most Accurate For The Declaration X = Circle()?

A. x contains a reference to a Circle object
B. You can assign an int value to x
C. x contains an object of the Circle type
D. x contains an int value
Answer» B. You can assign an int value to x
Discussion
2.

What would be the output of the following program ?_x005F_x000D_ main() _x005F_x000D_ {_x005F_x000D_        unsigned  int a = oxffff;_x005F_x000D_         ~a;_x005F_x000D_         printf ("%x", a);_x005F_x000D_ }

A. ffff
B.
C. 00ff
D. None of the above
Answer» B.
Discussion
3.

What would be the output of the following program ?_x005F_x000D_ main()_x005F_x000D_ {_x005F_x000D_      const int x = 5; _x005F_x000D_       int *ptrx;_x005F_x000D_       ptrx = &x;_x005F_x000D_       *ptr = 10;_x005F_x000D_        printf ("%d", x);_x005F_x000D_ }

A. 5
B. 10
C. Error
D. Garbage value
Answer» C. Error
Discussion
4.

What will be output when you will execute following c code?#include void main()_x005F_x000D_ {    int const SIZE = 5;    int expr;    double value[SIZE] = { 2.0, 4.0, 6.0, 8.0, 10.0 };    expr=1|2|3|4;    printf ( "%f", value[expr] );}

A. 2
B. 4
C. 8
D. Compilation error
Answer» E.
Discussion
5.

What will output when you compile and run the following code?#include struct student{_x005F_x000D_ int roll;int cgpa;int sgpa[8];_x005F_x000D_ };_x005F_x000D_ void main(){_x005F_x000D_ struct student s = { 12,8,7,2,5,9 };int *ptr;ptr = (int *)&s;clrscr();printf( "%d", *(ptr+3) );getch();_x005F_x000D_ }

A. 8
B. 7
C. 2
D. Compiler error
Answer» D. Compiler error
Discussion
6.

What will be output when you will execute following c code?#include void main()_x005F_x000D_ {     switch(2)_x005F_x000D_       {            case 1L:printf("No");            case 2L:printf("%s","I");              goto Love;            case 3L:printf("Please");            case 4L:Love:printf("Hi");     } }

A. I
B. IPleaseHi
C. IHi
D. Compilation error
Answer» D. Compilation error
Discussion
7.

What will be output when you will execute following c code?#include void main()_x005F_x000D_ {    signed int a = -1;    unsigned int b = -1u;    if(a == b)         printf( "The Lord of the Rings" );    else         printf( "American Beauty" );}

A. The Lord of the Rings
B. American Beauty
C. Compilation error: Cannot compare signed number with unsigned number
D. Warning: Illegal operation
Answer» B. American Beauty
Discussion
8.

What will be output when you will execute following c code?#include enum actor_x005F_x000D_ {    SeanPenn=5,    AlPacino=-2,    GaryOldman,    EdNorton};void main()_x005F_x000D_ {     enum actor a=0;     switch(a)_x005F_x000D_       {         case SeanPenn:  printf("Kevin Spacey");                         break;         case AlPacino:  printf("Paul Giamatti");                         break;         case GaryOldman:printf("Donald Shuterland");                         break;         case EdNorton:  printf("Johnny Depp");      }  }

A. Kevin Spacey
B. Paul Giamatti
C. Donald Shuterland
D. Johnny Depp
Answer» E.
Discussion
9.

What will be output of the following c program ?_x005F_x000D_ #include_x005F_x000D_ int main()_x005F_x000D_ {_x005F_x000D_     int max-val=100;_x005F_x000D_     int min-val=10;_x005F_x000D_     int avg-val;_x005F_x000D_     avg-val =( max-val + min-val ) / 2;_x005F_x000D_     printf( "%d", avg-val );_x005F_x000D_     return 0;_x005F_x000D_ }

A. 55
B. 105
C. 60
D. Compilation error
Answer» E.
Discussion
10.

What will be output of following program ?_x005F_x000D_ #includeint main()_x005F_x000D_ {_x005F_x000D_ int a = 10;void *p = &a;int *ptr = p;printf("%u",*ptr);return 0;_x005F_x000D_ }

A. 10
B. Address
C. 2
D. Compilation error
Answer» B. Address
Discussion
11.

What value does read() return when it has reached the end of a file?

A. 1
B. -1
C. 0
D. None
Answer» C. 0
Discussion
12.

What is the output of this C code?_x005F_x000D_         #include         void main()        {            int x = 97;            char y = x;            printf("%cn", y);        }

A. a
B. 97
C. Run time error
D. None
Answer» B. 97
Discussion
13.

What is the output of this C code?_x005F_x000D_         #include         void main()        {            int y = 3;            int x = 5 % 2 * 3 / 2;            printf("Value of x is %d", x);        }

A. Value of x is 1
B. Value of x is 2
C. Value of x is 3
D. Compile time error
Answer» B. Value of x is 2
Discussion
14.

What is the output of this C code?_x005F_x000D_        #include         void main()        {            int x = 1, z = 3;            int y = x

A. -2147483648
B. -1
C. Run time error
D. 8
Answer» E.
Discussion
15.

What is the output of this C code?_x005F_x000D_    #include     int main()    {        int a = 1, b = 1;        switch (a)        {        case a*b:            printf("yes ");        case a-b:            printf("non");            break;        }    }

A. yes
B. no
C. Compile time error
D. yes no
Answer» D. yes no
Discussion
16.

What is math.floor(3.6)?

A. 6
B. 3
C. 3.5
D. 0.6
Answer» C. 3.5
Discussion
17.

We want to round off x, a Float to an Int value. The correct way to do so would be

A. Y = ( int ) ( x + 0.5 ) ;
B. Y = int ( x + 0.5) ;
C. Y = ( int ) x + 0.5;
D. Y = ( int ) ( ( int ) x + 0.5 )
Answer» B. Y = int ( x + 0.5) ;
Discussion
18.

void main()_x005F_x000D_ {_x005F_x000D_ char good *better, *best;_x005F_x000D_ printf( "%d..%d", sizeof(better), sizeof(best) );_x005F_x000D_ }

A. 1..2
B. 4..4
C. 4..2
D. 2..2
Answer» D. 2..2
Discussion
19.

The output of the code below is_x005F_x000D_        #include         void main()        {            int i = 0, k;            if ( i == 0 )                goto label;                for ( k = 0;k < 3; k++ )                {                    printf( "hin" );                    label: k = printf( "%03d", i );                }         }

A. 0
B. hi hi hi 0 0 0
C. 0 hi hi hi 0 0 0
D. 0 0 0
Answer» B. hi hi hi 0 0 0
Discussion
20.

The output of the code below is_x005F_x000D_         #include         int *m()        {            int *p = 5;            return p;        }        void main()        {            int *k = m();            printf("%d", k);        }

A. 5
B. Junk value
C. 0
D. Error
Answer» B. Junk value
Discussion
21.

The coding or scrambling of data so that humans cannot read them, is known as _____.

A. Compression
B. Encryption
C. Ergonomics
D. Biometrics
Answer» C. Ergonomics
Discussion
22.

SNOBOL is mainly used for

A. Text Operation
B. String operations
C. List operations
D. Numerical operations
Answer» C. List operations
Discussion
23.

public abstract interface Frobnicate { public void twiddle(String s); } _x005F_x000D_ Which is a correct class?

A. public abstract class Frob implements Frobnicate { public abstract void twiddle(String s) { } }
B. public abstract class Frob implements Frobnicate { }
C. public class Frob extends Frobnicate { public void twiddle(Integer i) { } }
D. public class Frob implements Frobnicate { public void twiddle(Integer i) { } }
Answer» C. public class Frob extends Frobnicate { public void twiddle(Integer i) { } }
Discussion
24.

Output of the Program :_x005F_x000D_ main()_x005F_x000D_ {_x005F_x000D_ int i = 1;_x005F_x000D_ while (i 2) goto here;_x005F_x000D_          i++;_x005F_x000D_      }_x005F_x000D_ }_x005F_x000D_ fun()_x005F_x000D_ {_x005F_x000D_ here : printf( "PP" );_x005F_x000D_ }

A. 1
B. 2
C. Compilation error
D. Exception occurs
Answer» D. Exception occurs
Discussion
25.

Methods declared as what cannot be overriden?

A. Transcient
B. Abstract
C. Final
D. Super
Answer» D. Super
Discussion
26.

main()_x005F_x000D_ {_x005F_x000D_ char s[ ] = "man";_x005F_x000D_ int i;_x005F_x000D_ for( i=0; s[ i ]; i++)_x005F_x000D_ printf( "n%c%c%c%c", s[ i ], *(s+i), *(i+s), i[s] );_x005F_x000D_ }

A. mmmm aaaa nnnn
B. aaaa mmmm nnnn
C. nnnn aaaa mmmm
D. None
Answer» B. aaaa mmmm nnnn
Discussion
27.

main()_x005F_x000D_ {_x005F_x000D_ char *p; p = "Hello";_x005F_x000D_ printf ("%cn", *&*p);_x005F_x000D_ }

A. H
B. Hello
C. Compilation error
D. H E L L O
Answer» B. Hello
Discussion
28.

Macro flowchart is also called as

A. Less Detail flowchart
B. More detail flowchart
C. Simple detailed flowchart
D. None of the above
Answer» B. More detail flowchart
Discussion
29.

In programming, repeating some statements is usually called  ?

A. Running
B. Structure
C. Looping
D. Control structure
Answer» D. Control structure
Discussion
30.

In HTML, ___________ tag is used to construct drop-down list boxes and scrolling list boxes.

A. <SELECT>
B. <OPTION>
C. <TEXTAREA>
D. <INPUT>
Answer» B. <OPTION>
Discussion
31.

If the following program (myprog) is run from the command line as _x005F_x000D_ myprog 1 2 3 _x005F_x000D_ what would be the output?_x005F_x000D_ main(int argc, char *argv[])_x005F_x000D_ {_x005F_x000D_     int i, j = 0;_x005F_x000D_     for (i = 0; i < argc ; i++)_x005F_x000D_            j = j + atoi ( argv[i]);_x005F_x000D_     printf ("%d", j);_x005F_x000D_ }

A. 123
B. 6
C. Error
D. "123"
Answer» C. Error
Discussion
32.

How many times i value is checked in the below code?_x005F_x000D_        #include         int main()        {            int i = 0;            do {                i++;                printf( "In while loopn" );            } while (i < 3);        }

A. 2
B. 3
C. 4
D. 1
Answer» C. 4
Discussion
33.

enum colors {BLACK,BLUE,GREEN}_x005F_x000D_ main()_x005F_x000D_ {_x005F_x000D_ printf( "%d..%d..%d", BLACK, BLUE, GREEN );_x005F_x000D_ return(1);_x005F_x000D_ }

A. 1..2..3
B. 0..1..2
C. 1..1..1
D. 0..0..0
Answer» C. 1..1..1
Discussion
34.

#define clrscr() 100_x005F_x000D_ main()_x005F_x000D_ {_x005F_x000D_ clrscr();_x005F_x000D_ printf( "%dn", clrscr() );_x005F_x000D_ }

A. 100
B.
C. Compilation error
D. Exception occurs
Answer» B.
Discussion
35.

All variables in PHP start with which symbol?

A. %
B. !
C. $
D. &
Answer» D. &
Discussion
36.

A source program is the program written in which level language  ?

A. Alpha Numeric
B. High-Level
C. Symbolic
D. Machine
Answer» C. Symbolic
Discussion
37.

What is the output of this C code? _x005F_x000D_         #include         void m()        {            printf("hi");        }        void main()        {            m();        }

A. hi
B. Run time error
C. None
D. Varies
Answer» B. Run time error
Discussion