question How is a single line comment written in C

Programming

How is a single-line comment written in C?

A. // Comment
B. /* Comment */
C. # Comment
D. -- Comment

'//' is used for single-line comments in C.

What is the output of printf("%d", 5 + 3 * 2);?

A. 16
B. 11
C. 10
D. 13

How do you achieve multiple inheritance in Java?

A. Using interfaces
B. Using abstract classes
C. Using multiple extends keyword
D. Java doesn't support multiple inheritance

What is the purpose of the 'this' keyword in Java?

A. Refer to the current object
B. Refer to the parent class
C. Refer to the child class
D. Refer to the global scope

What is the default value of a boolean variable in Java?

A. true
B. false
C. 0
D. 1

What is the format specifier for printing a float in C?

A. %f
B. %d
C. %s
D. %c

What is the purpose of the 'sizeof' operator in C?

A. Returns size of a variable
B. Returns ASCII value
C. Returns the memory address
D. Returns pointer size

What is the role of 'calloc' function in C?

A. Allocate memory for an array
B. Free allocated memory
C. Allocate memory for a variable
D. Allocate and initialize memory for an array

What is the purpose of the 'memcpy' function in C?

A. Compare memory
B. Copy memory
C. Concatenate memory
D. Allocate memory

What is the purpose of the 'strcmp' function in C?

A. Concatenate strings
B. Copy strings
C. Compare strings
D. Convert strings

Which function is used to read a character from the standard input in C?

A. read()
B. getchar()
C. getc()
D. scanf()