What is the meaning of iostream

Question

the usefulness

Answer 1

i=input
o=output
Stream=sequence of bytes
iostream contains all standard library functions required for writing a basic program

Answer 2

iostream is the standard library for basic input/output operations. cin and cout belong to it.

Answer 3

it is a header function..to be precise <iostream>- input output stream header file  Provides functionality to use an abstraction called streams specially designed to perform input and output operations on sequences of character, like files or strings.  Objects cin, cout are from iostream header. 

Answer 4

But it's not working...says iostream.h : no such file or directory!?.....help!
How to solve this problem??

Answer 5

iostream is a header file in which some function is already defined like cout,cin... etc.
Full form of iostream is input output stream

Answer 6

It is a header file or main file

Answer 7

iostream is a standard library function contains input and output operations

Answer 8

iostream is a header defines the standard stream that input and output data

Answer 9

it is header and main function from which our programme start

Answer 10

iostream is a headerfile which consists of predefined functions like cout and cin,without this headerfile your functions that are declared and defined in this headerfile will not work.

Answer 11

iostream is a header file and it is standard library which consist cin,cout and cerr called operations.