Which character marks the end of a string in C?
Correct answer A. '\0'
Subject / 609 questions
Programming MCQs
Page 26 of Programming multiple-choice questions with answers. Tap an option to check yourself.
Page 26 of 31
Which keyword is used in C to define a user-defined type that groups variables of different types?
Correct answer C. struct
After the C statements int x = 5; int y = x++; what is the value of y?
Correct answer B. 5
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After the C statements int a = 5; int b = ++a; what is the value of b?
Correct answer A. 6
Which C library function allocates memory for an array and sets all its bytes to zero?
Correct answer D. calloc()
Which C library function releases memory that was allocated with malloc()?
Correct answer A. free()
In C, what is the index of the first element of an array?
Correct answer D. 0
Which storage class keyword makes a local variable keep its value between function calls?
Correct answer A. static
What is printed by the C statement printf(“%d”, 10 > 5 && 3 > 4);?
Correct answer B. 0
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Which C statement skips the remaining statements of the current loop iteration and moves to the next iteration?
Correct answer D. continue
In C, what is the value of the expression 1
Correct answer A. 8
In C, what is the value of the bitwise expression 5 ^ 3?
Correct answer C. 6
Which operator is used in C to access a structure member through a pointer to the structure?
Correct answer D. ->
With which symbol must every PHP variable name begin?
Correct answer A. $
Which operator is used to join two strings together in PHP?
Correct answer D. . (dot)
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Which PHP function returns the number of elements in an array?
Correct answer B. count()
Which PHP superglobal array holds form data submitted with the HTTP POST method?
Correct answer D. $_POST
Which PHP function converts all characters of a string to lower case?
Correct answer B. strtolower()
Which PHP function is used to define a named constant at run time?
Correct answer A. define()
Which PHP operator returns true only when both operands have the same value and the same type?
Correct answer C. ===