C Language Programming Test! Trivia Quiz

20 Questions | By Impetuscse2k19 | Last updated: Mar 21, 2022 | Total Attempts: 149

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C Language Programming Test! Trivia Quiz - Quiz

What do you know about C language programming? There are so many different types of computer languages, and it can be a daunting task to know which is which. C language is a structure-oriented programming language, and it is within the middle level of programming. The Windows program is written in C language, and there are some basic rules for success with this language. Take this test and find out if you are successful in learning about C language programming.

Questions and Answers

1.

Which of the following shows the correct hierarchy of arithmetic operations in C?
- A.
  
  / + * –
- B.
  
  * – / +
- C.
  
  + – / *
- D.
  
  * / + –
2.

What will happen if in a C program you assign a value to an array element whose subscript exceeds the size of the array?
- A.
  
  The element will be set to 0.
- B.
  
  The compiler would report an error.
- C.
  
  The program may crash if some important data gets overwritten.
- D.
  
  The array size would appropriately grow.
3.

int testarray[3][2][2] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}; What value does testarray[2][1][0] in the sample code above contain?
- A.
  
  11
- B.
  
  7
- C.
  
  5
- D.
  
  9
4.

What will be the output of the following statements? int i = 3; printf(“%d%d”,i,i++);
- A.
  
  34
- B.
  
  43
- C.
  
  44
- D.
  
  33
5.

With what do you replace the? long factorial (long x) { ???? return x * factorial(x – 1); }
- A.
  
  If (x == 0) return 0;
- B.
  
  Return 1;
- C.
  
  If (x >= 2) return 2;
- D.
  
  If (x <= 1) return 1;
6.

What would be the output of the following program? #include main() { char str[]=”S\065AB”; printf(“\n%d”, sizeof(str)); }
- A.
  
  7
- B.
  
  6
- C.
  
  5
- D.
  
  Error
7.

What will be the output? int main() { char *str="includehelp"; printf("%s",str+7); return 0; }
- A.
  
  Help
- B.
  
  includehelp
- C.
  
  Ehelp
- D.
  
  None of these
8.

What will be the output in the given input? int main() { int n,i=0; while(scanf("%d",&n)==1) { printf("END\n"); } return 0; }
- A.
  
  Runtime_error and Compile time error
- B.
  
  Compile time error and Runtime_error
- C.
  
  Syntax error and Syntax error
- D.
  
  No output and END
9.

What will be the output of following program (on 32 bit compiler)? #include int main() { int x=65; const unsigned char c=(int)x; printf("%c\n",c); return 0; }
- A.
  
  65.00
- B.
  
  65
- C.
  
  A
- D.
  
  Error
10.

Which header file should be included to use functions like malloc() and calloc()?
- A.
  
  Memory.h
- B.
  
  Stdlib.h
- C.
  
  String.h
- D.
  
  Dos.h
11.

What is (void*)0?
- A.
  
  Representation of NULL pointer
- B.
  
  Representation of void pointer
- C.
  
  Error
- D.
  
  None of above
12.

How many bytes are occupied by near, far and huge pointers (DOS)?
- A.
  
  Near=2 far=4 huge=4
- B.
  
  Near=4 far=8 huge=8
- C.
  
  Near=2 far=4 huge=8
- D.
  
  Near=4 far=4 huge=8
13.

What would be the equivalent pointer expression for referring the array element a[i][j][k][l]
- A.
  
  ((((a+i)+j)+k)+l)
- B.
  
  *(*(*(*(a+i)+j)+k)+l)
- C.
  
  (((a+i)+j)+k+l)
- D.
  
  ((a+i)+j+k+l)
14.

The following program reports an error on compilation. #include int main() { float i=10, *j; void *k; k=&i; j=k; printf("%f\n", *j); return 0; }
- A.
  
  True
- B.
  
  False
15.

Point out the compile time error in the program given below. #include int main() { int *x; *x=100; return 0; }
- A.
  
  Error: invalid assignment for x
- B.
  
  Error: suspicious pointer conversion
- C.
  
  No error
- D.
  
  None of above
16.

How many times the below loop will run? main() { int i; i=0; do { --i; printf("%d",i); i++; } while(i>=0);
- A.
  
  1
- B.
  
  Infinite
- C.
  
  0
- D.
  
  Compilation Error
17.

What will be the output main() { int i, j, *ptr, *ptr1; i = 10; j = 10; ptr = &i; ptr1 = &j; if(ptr == ptr1) { printf("True"); } else { printf("False"); } }
- A.
  
  True
- B.
  
  False
- C.
  
  Syntax Error
- D.
  
  Run time Error
18.

Which of the statements is correct about the program? #include int main() { int i=10; int *j=&i; return 0; }
- A.
  
  J and i are pointers to an int
- B.
  
  I is a pointer to an int and stores address of j
- C.
  
  J is a pointer to an int and stores address of i
- D.
  
  J is a pointer to a pointer to an int and stores address of i
19.

What will be the output main() { float me = 1.1; double you = 1.1; if(me==you) printf("I love U"); else printf("I hate U"); }
- A.
  
  I Love U
- B.
  
  Love You
- C.
  
  I hate U
- D.
  
  I Hate You
20.

Which of the following function calculates the square of 'x' in C?
- A.
  
  Sqr(x)
- B.
  
  Pow(2, x)
- C.
  
  Pow(x, 2)
- D.
  
  Power(2, x)