C-quiz, Hcst Mathura
Hindustan College of Science and Technology Farah ,Mathura Organised By Department of CSE & IT.
A quiz is a form of game or mind sport, in which the players (as individuals or in teams) attempt to answer questions correctly. It is a game to test your knowledge about a certain subject. In some countries, a quiz is also a brief assessment used in education and similar fields to measure growth in knowledge, abilities, and/or skills.
- 1.
C language has been developed by ?
- A.
Ken Thompson
- B.
Dennis Ritchie
- C.
Peter Norton
- D.
Martin Richards
Correct Answer
B. Dennis Ritchie -
- 2.
A C variable cannot start with ?
- A.
An alphabet
- B.
A number
- C.
A special symbol other than underscore
- D.
Both (2) and (3)
Correct Answer
D. Both (2) and (3) -
- 3.
What is the output of the following 'C' program? main ( ) { int a [5] = {2, 3}; print f (''\n % d % d % d'', a [2], a [3], a [4]); }
- A.
Garbage values
- B.
2 3 3
- C.
3 2 2
- D.
0 0 0
Correct Answer
D. 0 0 0 -
- 4.
What is the output of the following 'C' program? main { printf (''%c'', ''abcdefgh'' [4]);}
- A.
Error
- B.
D
- C.
E
- D.
Abcdefgh
Correct Answer
C. E -
- 5.
The directives for the preprocessors begin with
- A.
Ampersand symbol (&)
- B.
Less than symbol (
- C.
Two Slashes (//)
- D.
Number Sign (#)
Correct Answer
D. Number Sign (#) -
- 6.
Point out the correct statements are correct about the program below? #include<stdio.h> int main() { char ch; while(x=0;x<=255;x++) printf("ASCII value of %d character %c\n", x, x); return 0; }
- A.
The code generates an infinite loop
- B.
The code prints all ASCII values and its characters
- C.
Error: x undeclared identifier
- D.
Error: while statement missing
Correct Answer
D. Error: while statement missing -
- 7.
Which of the following is the correct usage of conditional operators used in C?
- A.
A>b ? c=30 : c=40;
- B.
A>b ? c=30;
- C.
Max = a>b ? a>c?a:c:b>c?b:c
- D.
Return (a>b)?(a:b)
Correct Answer
C. Max = a>b ? a>c?a:c:b>c?b:c -
- 8.
What will be the output of the program? #include<stdio.h> #include<math.h> int main() { float n=1.54; printf("%f, %f\n", ceil(n), floor(n)); return 0; }
- A.
2.000000, 1.000000
- B.
1.500000, 1.500000
- C.
1.550000, 2.000000
- D.
1.000000, 2.000000
Correct Answer
A. 2.000000, 1.000000 -
- 9.
What will be the output of the program? #include<stdio.h> int get(); int main() { const int x = get(); printf("%d", x); return 0; } int get() { return 20; }
- A.
Garbage value
- B.
20
- C.
Error
- D.
0
Correct Answer
B. 20 -
- 10.
What function should be used to free the memory allocated by calloc() ?
- A.
Dealloc();
- B.
Malloc(variable_name, 0)
- C.
Free();
- D.
Memalloc(variable_name, 0)
Correct Answer
C. Free(); -
- 11.
What do the following declaration signify? void *cmp();
- A.
Cmp is a pointer to an void type.
- B.
Cmp is a void type pointer variable.
- C.
Cmp is a function that return a void pointer.
- D.
Cmp function returns nothing.
Correct Answer
C. Cmp is a function that return a void pointer. -
- 12.
The library function used to find the last occurrence of a character in a string is
- A.
Strnstr()
- B.
Laststr()
- C.
Strrchr()
- D.
Strstr()
Correct Answer
C. Strrchr() -
- 13.
Character Set of C language contains ?
- A.
Alphabets
- B.
Digits
- C.
Special Symbols
- D.
All of these
Correct Answer
D. All of these -
- 14.
The format string %lf is used for ?
- A.
Float
- B.
Double
- C.
Unsigned int
- D.
Long double
Correct Answer
D. Long double -
- 15.
Which of the format string is not valid ?
- A.
%ld
- B.
%lf
- C.
%lu
- D.
%lc
Correct Answer
D. %lc -
- 16.
5. When array name is passed to a function, what actually gets passed is
- A.
A. Address of array
- B.
B. First element of array
- C.
C. All array elements
- D.
D. None from the list
Correct Answer
A. A. Address of array -
- 17.
Which of the following statements is wrong ?
- A.
INT=123;
- B.
Val='A' * 'B';
- C.
Is=20 * 'T'
- D.
Count+5=res;
Correct Answer
D. Count+5=res; -
- 18.
C Programs cab be written in ... ?
- A.
Lower case letters
- B.
Upper case letters
- C.
Mixed letters
- D.
None of these
Correct Answer
A. Lower case letters -
- 19.
Which of these is not a version of C language ?
- A.
Microsoft C
- B.
Quick C
- C.
Turbo C
- D.
Fast C
Correct Answer
D. Fast C -
- 20.
C Programming Follows ....?
- A.
Non structured approach
- B.
Structured approach
- C.
Object oriented approach
- D.
None of these
Correct Answer
B. Structured approach -
- 21.
C Programs are converted into machine language with the helop of ..... ?
- A.
Compiler
- B.
Interpreter
- C.
Operating system
- D.
Assembler
Correct Answer
A. Compiler -
- 22.
C was primarily developed as a ?
- A.
Systems Programing Language
- B.
General Purpose Language
- C.
Data Processing Language
- D.
D. None of the above
Correct Answer
A. Systems Programing Language -
- 23.
What punctuation must use to end the code C/C++ expression statement?
- A.
. (dot)
- B.
; (semi-colon)
- C.
: (colon)
- D.
‘ (single quote)
Correct Answer
B. ; (semi-colon) -
- 24.
What symbol must use to signal the beginning and end of code blocks or compound statements?
- A.
{ }
- B.
-> and
- C.
BEGIN and END
- D.
( and )
Correct Answer
A. { } -
- 25.
Which one of the following is the correct operator to compare two variables?
- A.
: =
- B.
=
- C.
Equal
- D.
= =
Correct Answer
D. = = -
- 26.
“C” was primarily developed as a
- A.
Systems Programing Language
- B.
General Purpose Language
- C.
Data Processing Language
- D.
None
Correct Answer
A. Systems Programing Language -
- 27.
Choose the correct statement
- A.
An identifier may start with an underscore
- B.
An identifier may end with an underscore
- C.
IF is a valid identifier
- D.
All
Correct Answer
D. All -
- 28.
Choose the correct statement
- A.
Constant expressions are evaluated at compile time
- B.
String constants can be concatenated at compile time
- C.
Size of array must be known at compile time
- D.
All
Correct Answer
D. All -
- 29.
Which of the following comments about the “++” operator are correct?
- A.
It is a unary operator
- B.
It cannot be applied to an expression
- C.
It associates from the right
- D.
All
Correct Answer
D. All -
- 30.
What statement can print \n on screen?
- A.
Printf("\\n");
- B.
Printf("n\")
- C.
Printf('\\n')
- D.
Printf("\n")
Correct Answer
A. Printf("\\n"); -
- 31.
Address stored in the pointer variable is of type?
- A.
Int
- B.
Float
- C.
Array
- D.
String
Correct Answer
A. Int -
- 32.
What will be printed? int a = 15; int b = 0; b = (a % 7); printf("\n\n%i\n", b);
- A.
0
- B.
1
- C.
7
- D.
15
Correct Answer
B. 1 -
- 33.
The operators . , !! , < , = if arranged in ascending order of precedence reads?
- A.
.,!!,<,=
- B.
=,<,!!,.
- C.
=,!!,<,.
- D.
<,!!,=,.
Correct Answer
C. =,!!,<,. -
- 34.
Which one of the four equations will be correct? given interchanges: signs "-" and "*" ,numbers 3 and 6.
- A.
6-3*2=9
- B.
6*3-4=15
- C.
3-6*8=10
- D.
3*6-4=33
Correct Answer
C. 3-6*8=10 -
- 35.
According to ANSI specifications which is the correct way of declaring main when it receives command-line arguments?
- A.
Int main(int argc,char *argv[])
- B.
Int main(){int argc ; char *argv);
- C.
None
- D.
Int main {argc,argv)int argc; char *argv;
Correct Answer
A. Int main(int argc,char *argv[]) -
- 36.
Char *s[10] defines an array of ___________
- A.
None
- B.
String to pointer
- C.
Pointers to strings
- D.
Both pointers to string and strings to pointers
Correct Answer
C. Pointers to strings -
- 37.
Which header file should be included to use functions like malloc() and calloc()?
- A.
Dos.h
- B.
Alloc.h
- C.
Stdlib.h
- D.
Memory.h
Correct Answer
C. Stdlib.h -
- 38.
What gets printed? printf("%d\n",4 ?:8);
- A.
8
- B.
4
- C.
Null
- D.
Compiler error
Correct Answer
D. Compiler error -
- 39.
Which keyword is used for coming out of recursion ?
- A.
Break
- B.
Return
- C.
Exit
- D.
Continue
Correct Answer
B. Return -
- 40.
What is the output of the following
- A.
Yes
- B.
No
- C.
Compile time error
- D.
Yes no
Correct Answer
C. Compile time error -
- 41.
How many tokens are there in the following ? if(csi==100);
- A.
6
- B.
7
- C.
5
- D.
4
Correct Answer
B. 7 -
- 42.
C programming:the given expression P-=Q+1 is same as
- A.
P=P-Q-1
- B.
P=P-Q+1
- C.
P=-P+Q+1
- D.
NONE
Correct Answer
A. P=P-Q-1 -
- 43.
A pointer in a c which has not been initialized is know as
- A.
Far pointer
- B.
Void pointer
- C.
Null pointer
- D.
Wild pointer
Correct Answer
D. Wild pointer -
- 44.
Which of the following does not represent a valid storage class in c?
- A.
Static
- B.
Union
- C.
Extern
- D.
Automatic
Correct Answer
B. Union -
- 45.
When fopen() is not able to open a file, then it returns
- A.
Compiler dependent
- B.
Runtime error
- C.
EOF
- D.
NULL
Correct Answer
A. Compiler dependent -
- 46.
How will you free the allocated memory ?
- A.
Delete(var-name);
- B.
Free(var-name);
- C.
Remove(var-name)
- D.
Dealloc(var-name);
Correct Answer
B. Free(var-name); -
- 47.
What will be x in the following c code? #include void main() { int x; }
- A.
Automatic variable
- B.
Static variable
- C.
Registered variable
- D.
Global variable
Correct Answer
A. Automatic variable -
- 48.
Which of the following cannot be static in c?
- A.
Variables
- B.
Structures
- C.
Functions
- D.
None
Correct Answer
D. None -
- 49.
What is the output of the following? #include int main() { char ch; if(ch = printf("")) printf("It matters\n"); else printf("It doesn't matters\n"); return 0; }
- A.
It matters
- B.
It doesn’t matters
- C.
Run time error
- D.
Nothing
Correct Answer
B. It doesn’t matters -
- 50.
How many times is Hello world printed ? int main() { fork(); fork(); printf("Hello world\n"); }
- A.
1
- B.
2
- C.
4
- D.
8
Correct Answer
C. 4 -
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Aug 07, 2019Quiz Edited by
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