Introduction to C programming II

Question 1

What is a stream?

Answer 1

A stream is a sequence of characters flowing from one place to another.

Question 2

Types of stream.

Answer 2

Input stream: data flows from input device into memory.
Output stream: data flows from memory to output device e.g monitor, file, printer

Question 3

What are the standard I/O streams

Answer 3

stdin: Standard input stream
stdout: Standard output stream
stderr: standard error stream.

Question 4

What is Formatted I/O

Answer 4

Refers to the conversion of data to and from a stream of characters.

Question 5

What is a conversion specifer

Answer 5

A conversion specifier is a symbol that is used as a placeholder in a formatting string.

Question 6

What are some examples of format specifiers

Answer 6

%d
%6d - prints a decimal integer with a width of at least 6 wide
%f
%.4f - prints a floating point with a precision of four character after the decimal point
%3.2f