C PROGRAMMING MCQ-3

Q.41 By default, a function in the C language returns a value of which type?

• A) Int
• B) Char
• C) Void
• D) None of these

Q.42 What is the term for a set of instructions provided to a computer system to perform a specific task?

• A) Program
• B) Operator
• C) Hardware
• D) None of these

Q.43 The '#' sign of a compiler directive (preprocessor) must appear at the ________ of a line.

• A) Beginning
• B) Middle
• C) End
• D) None of these

Q.44 Which of the following is formulated as a step-by-step logical procedure to solve a problem?

• A) Flow chart
• B) Algorithm
• C) Pseudocode
• D) None of these

Q.45 Which function is used to release memory that was previously allotted through dynamic memory allocation?

• A) Malloc ( )
• B) Free ( )
• C) Calloc ( )
• D) None of these

Q.46 The reserved words in the C language that have predefined meanings are called?

• A) Keyword
• B) Secure word
• C) Private word
• D) None of these

Q.47 Which statement causes a loop to be terminated immediately?

• A) Exit
• B) Break
• C) Default
• D) None of these

Q.48 In the C language, a character type constant is delimited using which symbols?

• A) Single quotes
• B) Double quotes
• C) Parenthesis
• D) #

Q.49 Which of the following is a logical operator in C?

• A) &&
• B) !=
• C) I
• D) All of the above

”Q.50

• A) ”==”
• B) ”!=”
• C) ”–>”
• D) ”All

Q.51 If 'a' is an integer variable, what will be the value of 'a' after executing 'a = 5 / 2;'?

• A) 2.5
• B) 3
• C) 2

Q.52 What does operator precedence determine in an expression?

• A) Which operator is evaluated first
• B) Which operator is more important
• C) Which operator is faster
• D) None of these

Q.53 Which of the following statements is FALSE regarding C variable naming rules?

• A) Capital letters can be used
• B) Variable names can contain a digit
• C) Variable names cannot contain a blank space
• D) Keywords can be used as variable names

Q.54 The two operators '&&' and '||' are categorized as?

• A) Arithmetic operators
• B) Equality operators
• C) Logical operators
• D) Relational operator

Q.56 In the C language, which of the following operators has the highest precedence?

• A) + (unary)
• C) ==
• D) ”None

Q.57 Which of the following is the correct way to declare a pointer to a float variable?

• A) Float ptr ;
• B) Float *ptr ;
• C) Float ptr ;
• D) None of these

Q.58 C is generally categorized as which type of programming language?

• A) Low level
• B) High Level
• C) Both Low and High Level
• D) None of these

Q.59 Which of the following is required to write and run a C program?

• A) Operating system
• B) Text editor
• C) Compiler
• D) All of above

Q.60 Which organization or committee standardized the 'C' programming language?

• A) ANSI
• B) W3C
• C) ISO
• D) TRAI