11 Questions
Explain the purpose of formatted I/O in programming languages.
Formatted I/O are used to take various inputs from the user and display multiple outputs to the user. These types of I/O functions can help to display the output to the user in different formats using the format specifiers. They support all data types like int, float, char, and many more.
Describe why the functions used for formatted I/O are called formatted I/O functions.
The functions used for formatted I/O are called formatted I/O functions because format specifiers can be used in these functions, allowing for formatting according to specific needs.
What is the syntax for using the printf() function to display variable values?
The syntax for using the printf() function to display variable values is printf(“Format Specifier”, var1, var2, …., varn);
What is the purpose of the printf() function in C programming?
The printf() function is used in a C program to display any value like float, integer, character, string, etc on the console screen. It is a pre-defined function that is already declared in the stdio.h(header file).
Explain the role of format specifiers in the printf() function.
Format specifiers in the printf() function are used to specify the type of data that will be printed and its format, such as integer, float, character, string, etc.
Which function is used for unformatted input in C programming?
getchar()
Which control structure in C is considered harmful and is generally avoided?
goto label
Which function should be used to output a single character in C programming?
putchar()
Which function is used for unformatted input in C programming?
getchar()
Which of these is a controlled structure in C used for repetitive execution?
do—while
Which function is used for unformatted output in C programming?
puts()
Test your knowledge of formatted I/O with this quiz. Explore the concepts of taking various inputs and displaying outputs in different formats using format specifiers. Understand why these functions are called formatted I/O and how they support different data types such as int, float, and char.
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