Sound that your computer makes is because some program sent output to the speakers on your computer. When you decide to print a document, a program is told to send some output to the printer. The information you see on your computer screen is being output by one or more programs that are currently running on your computer. Output is any information that the program must convey to the user. The possibilities are limited only by computer scientists' imagination. While others get data from devices like scanners, digital cameras and microphones. Some programs, like web browsers, get their data from a network connection, Some of their input from a file that is stored on the computer's floppy or hard disk drive. Still other programs, like word processing programs, get Programs that are controlled simply by clicking the mouse in a specific area of the screen. Some programs use graphical components like a popup dialog box to accept and return the character string that is typed by the user. There are many forms that program input may take. Input is any information that is needed by your program to complete its execution. Java Input and Output (I/O) Java Input and Output (I/O)
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