Quiz

C Language Basics Quiz

01.
Which symbol is used to end statements in C?
• .
• ;
• :
• !
02.
Which loop runs at least once?
• for
• while
• do-while
• repeat
03.
Which function is used to find the length of a string in C?
• strlen()
• strlength()
• len()
• length()
04.
What is the output of 'printf("%d", sizeof(char));'?
• 1
• 2
• 4
• 8
05.
Which format specifier is used for a double data type?
• %d
• %f
• %lf
• %c
06.
What is the result of 10 / 3 in C (integer division)?
• 3.33
• 3
• 4
• 0
07.
Which function is used to free dynamically allocated memory?
• delete()
• remove()
• free()
• clear()
08.
How do you define a structure in C?
• struct { }
• structure { }
• class { }
• type { }
09.
What is the size of an 'int' on a 32-bit machine?
• 2 bytes
• 4 bytes
• 8 bytes
• Depends on compiler
10.
What is 'NULL' in C?
• A value of 0
• An uninitialized pointer
• A macro representing a zero pointer
• An error code
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