Introduction to Programming MCQs with Answers
Practice important Introduction to Programming MCQs with answers and explanations.
Multiple Choice Questions
Q251: What does the toupper function do?
- A: Converts a character to lowercase
- B: Converts a character to uppercase
- C: Checks if a character is uppercase
- D: Checks if a character is lowercase
View Answer
B
Q252: What does the strspn function return?
- A: The length of the initial segment of s1 consisting only of characters in s2
- B: The length of s1
- C: The position of the first occurrence of a character in s1
- D: The length of s1 not containing characters in s2
View Answer
A
Q253: What type of data does the isspace function check?
- A: Only alphabets
- B: Only digits
- C: Whitespace characters
- D: Control characters
View Answer
C
Q254: Which of the following functions is used to break a string into tokens?
- A: strtok
- B: strchr
- C: strpbrk
- D: strspn
View Answer
A
Q255: What are the primary types of files in a computer?
- A: Text files and Image files
- B: Text files and Program files
- C: Program files and Image files
- D: Text files and Data files
View Answer
B
Q256: What type of files contain formatted text, such as bold or italic characters?
- A: Plain text files
- B: Executable files
- C: Word processor files
- D: Program files
View Answer
C
Q257: Which header file is required for file handling in C++?
- A:
- B:
- C:
- D:
View Answer
B
Q258: Which of the following streams is used to read from a file in C++?
- A: ofstream
- B: cout
- C: ifstream
- D: cin
View Answer
C
Q259: What function is used to open a file in C++?
- A: openfile()
- B: fileopen()
- C: open()
- D: fopen()
View Answer
C
Q260: Which of the following modes is used to open a file for input in C++?
- A: ios::out
- B: ios::in
- C: ios::app
- D: ios::trunc
View Answer
B