PARTS OF A COMPUTER SYSTEM | NON-ESSENTIAL PARTS

 PARTS OF A COMPUTER SYSTEM | NON-ESSENTIAL PARTS

By: Yusuf Basirat Bolanle

 In our previous lesson, (Essential Parts of a computer System). We talked about the essential parts of a computer system. Today, we are going to discuss the Non-Essential parts of a computer system

There are Other parts of a computer system that are also important, but are not essential to the computer's basic functions. These other parts are the following:

 

1- The Printer

2- The Scanner

3- The Speaker

4- The Microphone

5- The UPS (Uninterrupted Power Supply)

6- The Headset 

7-The Webcam

Now, let us give brief description of each of the parts and probably give the images shown each of the parts for proper recognition.

1- The Scanners:

A scanner is an input device that scans documents such as photographs and pages of text. It is used to create an electronic version of the document which can be viewed or edited on a computer.

2-The Printers: 

The printer helps in printing our our

 documents, which includes the image and text

 documents, the printer is one of the output

 devices that is used to print out documents

 from computer or other devices like phone,

 television and others. The commonest type of

 printer are: The deskjet, the laser jet and the

 ink jet which can print with both colour and

 back and white

3.The Speakers: 

The speaker is an output device that enables us to hear the

 sound and the voice from our electronic gadgets clearly.

 The purpose of speakers is to produce sound or audio output that can be heard by the listeners.

4.The Webcams:

A webcam is an output device that is mainly used to transmit pictures over the Internet. It is used for messaging, it is always attached with the computers and also known as a digital video device

5.The Microphones:

Microphone  is an output device that is mainly used to capture audio by converting sound waves into an electrical signal.  This signal can be processed by a computer or any digital audio devices. Microphone adds to the audio sound and makes it more louder to the listeners.

 

6.The UPS (Uninterrupted Power Supply)

The full meaning of UPS is (Uninterrupted Power Supply) 

It is an electric device that provides immediate power supply to a computer if there is a power cut off. UPS usually stores power for emergency usage in case of power failure.It is typically used to protect hardware such as computers and others from data loss or damages in case there is a shortage of power.

 

7.The Headsets:

The headsets is a device that helps the users to talk and at the

 same time listening while on their job.  

 

 By: www.obatutor.com