Parts of a Computer and its Functions


Mouse
It is a pointing device used to facilitate the management of a graphical environment in a computer.



Housing


The housing is the part of your computer that contains all the parts that run the computer. In a desktop computer, the enclosure does not contain a monitor, keyboard or mouse. Laptop computer hosts both a monitor and the components that run on the computer,   a mouse, and keyboard.


Monitor
This is the main output device, which displays data or information to the user.
It can also be considered as an input/output device if the monitor has a touch screen.
It is an input device, partly inspired by keyboard typewriters, which uses a combination of buttons or keys, to act as mechanical levers or electronic switches that send information to The computer.


Scanner
The scanner: It is an electronic device that scans images or documents, and translates them into electrical signals for processing, output or storage. Used to enter paper images, books, negatives or slides. These optical devices can recognize characters or images, and to refer to this, one sometimes uses the expression optical drive.

Data Entry Devices
Keyboard
The keyboard is the computer hardware used to enter text, characters, and other commands into a computer.

Data output devices
Printer
It is a peripheral device of the computer that allows producing a permanent range of text or graphics of documents stored in an electronic format, by printing on a physical medium, usually paper, using an Ink or laser (with toner) technology.


Speakers
It is an electroacoustic transducer used for sound reproduction. One or more speakers can form an acoustic screen


Data processing devices
Graphic Card
This is an expansion card for a computer which is responsible for processing the CPU data and transforming it into understandable and representable information on an output device, such as a monitor or TV.

Micro processor
It is the central and more complex integrated circuit of the computer system. This part of the computer is generally referred as, the "brain" of a computer.
It is responsible for running the programs, from the operating system to the user applications.
circuit of a computer system.

Motherboard
This is a printed circuit board to which the components that make up the computer are connected. Each component of your computer connects directly to the motherboard. It typically includes extension options for high-end graphics screens and additional devices.

RAM memory
This is where the computer stores the data it is currently using. Storage is considered temporary because the data and programs remain while the computer is under or is not restarted.

Storage devices
Hard Drive
It is the data storage device that uses a magnetic recording system to store digital data.
Optical discs
This is a disk drive that uses laser light or electromagnetic waves close to the light spectrum as part of the process of reading or writing data from a file to optical discs through light beams that Interpret the refractions caused.


USB
This is a type of data storage device that uses flash memory to store data and information

Others

Network card
It is a device that allows communication with devices connected to them and also allows the sharing of resources between two or more computers (hard disks, CD-ROMs, printers, etc.).
This is an expansion card for computers that allows audio output controlled by a computer program called a driver.

Modem
This is the device that converts digital signals to analog (modulation) and vice versa (demodulation), which allows communication between computers via the telephone line or the cable modem. This device is used to send the modulation signal through another signal called a support.

WEB camera
It is a small digital camera connected to a computer capable of capturing images and transmitting them over the Internet, either to a Web page, to another computer or to other computers in a private way





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