Types Of Hardware Devices
1. Input Devices :- Those devices which are used to give input in computer system are known as Input Devices
a. Keyboard b. Mouse c. Trackball d. Graphic tablet
e. game controllers f. Touch screen g. Webcam h. Microphone
2. Output Devices :- Those devices which are used to take output as result of our input in our computer system are known as Output devices.
a. Monitor b. Printer c. Audio Speaker d. Headphones
e. Projector f. GPS g. Sound card h. Video card
What is Monitor ?
A monitor is an output device used to display the output as result.
There are five types of monitors :-
1. CRT - (Cathode Ray Tube)
2. LCD - (Liquid Crystal Display)
3. LED - (Light Emitting Diode)
4. TFT - (Thin Film Transistor)
5. AMOLED - (Active Matrix Organic Light Emitting Diode)
Types Of Connectors in Monitor
1. VGA - (Video Graphic Array)
15 pins Only Video
2. DVI - (Digital Video Interface)
24 pins Video & Audio
3. HDMI - (High Definition Multimedia Interface)
19 pins Hd Video & Audio
What is Keyboard ?
A keyboard is a input device used to input in computer system using some key strokes.
There are 5 Basic Types of keyboards :-
1. Mechanical Keyboard
2. Gaming Keyboard
3. Standard Keyboard
4. Wireless Keyboard
5. Multimedia Keyboard
Connector - PS2 & USB
What is Mouse ?
A mouse is a input device used to input in computer system using a Pointer arrow
There are 3 Basic Types of Mouse are :-
1. Mechanical or Trackball Mouse
2. Optical Mouse
3. Wireless Mouse
Connector - PS2 & USB
What is UPS ?
(Uninterruptible Power Supply) A device that provides battery backup when the electrical power fails or drops to an unacceptable voltage level. Small UPS systems provide power for a few minutes; enough to power down the computer in an orderly manner, wile larger systems have enough battery for several hours.
What is Speaker ?
A speaker is an output device used to give sound as output. In order to translate an electrical signal into an audible sound, speakers contain an electromagnet: a metal coil which creates a magnetic field when an electric current flows through it.
What is Webcam ?
Webcams are typically small cameras that either attach to a user's monitor or sit on a desk. Most Webcams connect to the computer via USB.
Types Of Webcams :-
1. Integrated Webcam
2. Webcam with microphone
3. Stand alone Webcam
4. Network Cameras or CCTV
What is Scanner ?
A scanner is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display. Scanners come in hand-held, feed-in, and flatbed types and for scanning black-and-white only, or color.
Types of Scanners :-
1. Specialized Scanner
2. Handheld Scanner
3. Standard Scanner
4. Scanning Applications
Types Of Connectors In Scanners
1. Serial/Com Port - 9 & 25 pins Connector
2. Parallel Port - 40 pins Connectors
3. USB Port - 4 pins Connector
4. LAN Port - 8 pins Connector
5. Wireless - Without Connector
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