what is the difference between input and output

what is the difference between input and output

What’s the distinction between an enter and output gadget? Input and Output example

An enter gadget sends info to a pc system for processing, and an output gadget reproduces or shows the outcomes of that processing. Enter gadgets solely enable for enter of information to a pc and output gadgets solely obtain the output of information from one other gadget.

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Most gadgets are solely enter gadgets or output gadgets, as they will solely settle for knowledge enter from a consumer or output knowledge generated by a pc. Nonetheless, some gadgets can settle for enter and show output, and they’re known as I/O gadgets (enter/output gadgets).

For instance, as proven within the prime half of the picture, a keyboard sends electrical alerts, that are obtained as enter. These alerts are then interpreted by the pc and displayed, or output, on the monitor as textual content or photos. Within the decrease half of the picture, the pc sends, or outputs, knowledge to a printer. Then, that knowledge is printed onto a chunk of paper, which can be thought of output.

Enter gadgets

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An enter gadget can ship knowledge to a different gadget, but it surely can’t obtain knowledge from one other gadget. Examples of enter gadgets embrace the next.

  • Keyboard and Mouse – Accepts enter from a consumer and sends that knowledge (enter) to the pc. They can’t settle for or reproduce info (output) from the pc.
  • Microphone – Receives sound generated by an enter supply, and sends that sound to a pc.
  • Webcam – Receives photos generated by no matter it’s pointed at (enter) and sends these photos to a pc.

Output gadgets

An output gadget can obtain knowledge from one other gadget and generate output with that knowledge, but it surely can’t ship knowledge to a different gadget. Examples of output gadgets embrace the next.

  • Monitor – Receives knowledge from a pc (output) and shows that info as textual content and pictures for customers to view. It can’t settle for knowledge from a consumer and ship that knowledge to a different gadget.
  • Projector – Receives knowledge from a pc (output) and shows, or initiatives, that info as textual content and pictures onto a floor, like a wall or display screen. It can’t settle for knowledge from a consumer and ship that knowledge to a different gadget.
  • Audio system – Receives sound knowledge from a pc and performs the sounds for customers to listen to. It can’t settle for sound generated by customers and ship that sound to a different gadget.

Enter/output gadgets

An enter/output gadget can obtain knowledge from customers, or one other gadget (enter), and ship knowledge to a different gadget (output). Examples of enter/output gadgets embrace the next.

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  • CD-RW drive and DVD-RW drive – Receives knowledge from a pc (enter), to repeat onto a writable CD or DVD. Additionally, the drive sends knowledge contained on a CD or DVD (output) to a pc.
  • USB flash drive – Receives, or saves, knowledge from a pc (enter). Additionally, the drive sends knowledge to a pc or one other gadget (output).