Podcast
Questions and Answers
Which function is NOT typically used for output in C programming?
Which function is NOT typically used for output in C programming?
The escape sequence '
' represents a single quotation mark.
The escape sequence ' ' represents a single quotation mark.
False
What format specifier would you use in printf to display a float in exponential notation?
What format specifier would you use in printf to display a float in exponential notation?
%.2e
The function _______ reads a string from standard input until a newline character is encountered.
The function _______ reads a string from standard input until a newline character is encountered.
Signup and view all the answers
Match the following C functions with their usage:
Match the following C functions with their usage:
Signup and view all the answers
Study Notes
Output Functions in C
-
putchar(): displays a single character to the console. -
puts(): displays a string to the console, ending with a newline character. -
printf(): the most versatile function, it formats and prints data to the console, utilizing format specifiers to control output.
Data Types and Format Specifiers in C
-
decimal:
%dfor integer values. -
integer:
%ifor integer values, similar to%d. -
float (decimal notation):
%ffor floating-point numbers. -
float (exponential notation):
%eor%Efor floating-point numbers using exponential notation. -
char:
%cfor a single character. -
long int:
%ldfor long integer values. -
string:
%sfor a sequence of characters.
Input Functions in C
-
scanf(): reads formatted input from the console, using format specifiers to define expected data types. -
getch(): retrieves a character from the keyboard without echoing it to the screen (not buffered). -
getche(): similar togetch(), but echoes the character to the screen. -
getchar(): reads a single character from the keyboard (buffered). -
gets(): reads an entire line of characters from the console, including spaces.
Escape Sequences in C
- An escape sequence is a combination of characters that represents a specific special character or action.
-
Alert:
\agenerates an audible alert (a beep). -
Backspace:
\bmoves the cursor one position back. -
Newline:
\nmoves the cursor to the beginning of the next line. -
Carriage Return:
\rmoves the cursor to the beginning of the current line. -
Tab:
\tinserts a horizontal tab character. -
Backslash:
\\represents a backslash character. -
Single Quotation Mark:
\'represents a single quotation mark. -
Double Quotation Mark:
\"represents a double quotation mark. -
Question Mark:
\?represents a question mark.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
Description
Test your knowledge on input and output functions in C programming, including the use of various data types and format specifiers. This quiz covers essential functions like printf(), scanf(), and their applications in displaying and retrieving data.
