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Johnny Cuzens
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Old 07-02-2009, 11:49 AM
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Output Devices of computer

Output devices are used to present working output for us, as well as condition about the process of the computer. The Monitor, printer as well as the speakers are output devices.

Video Display:

The monitor present data that the processor set into a segment of memory called as video memory. This statistics is constantly modernized and transmitted to the monitor at the exact rate and in the correct order; so that the monitor shows descriptions and we can understand it clearly or even interpret.

Printer:

Most of you have possibly used a printer. The PC sends information that you decide on such as a folder or image to the printer, generally by a USB or parallel port on the computer.

Speakers:

Nearly all computers are available with normal exterior speakers that are being connected into the sound card or on the back panel of the system. These speakers playback any audio source that your computer can launch to them like music, voice and any other information (beeps), such as those made during start up.

Input/Output: (I/O)

There are a few ports on the computers that are utilized to send data out of as well as get into the computer. They are termed as I/O ports.

Serial Port -

The serial port is an I/O port. It fix to external devices that require being in touch with the computer. Scanners and digital cameras are example of devices that can be attached to the serial port. It is termed as serial port because merely one bit of information goes by across it during each transition.

Parallel Port -

The parallel port is also another I/O port that is roughly forever used for output. More frequently than not a printer attached to it. It is termed as parallel port because it sends a byte (8 bits) of data in parallel during every data transfer.

Universal Serial Bus -

The Universal Serial Bus (USB) is an advance high speed serial I/O port that will ultimately change the serial as well as parallel ports. It has been emerged in computers for a somewhat short time. Several printers and other exterior devices are already set with USB ports. The USB port on a computer can fix directly to any device with a USB port. It can also attach to a USB Controller which in turn can attach to lots of devices that have USB ports.

Last edited by Johnny Cuzens; 07-02-2009 at 11:51 AM..
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