Input Devices of Computer, a computer has many input devices that make it easy to deal with it. Trackball most of the people say it a computer mouse, Touchpad this device is mostly in laptops. Graphics tablet a plastic pencil that we draw on the screen panel. Webcam a small camera device in which you record your videos. Barcode reader this electronic device read output printed broadcast. Microphone and fax etc.
Input Devices of Computer
These devices work like a standard mouse except the users roll a ball inside a base rather than moving the device across the table top. Many users prefer a trackball to a mouse, because it involves less wrist movement, reducing repetitive-motion issues.
This device typically found on laptop computers. It works like a mouse or trackball except it’s a flat panel you move your finger across. The motion of your finger registers as cursor movement on the screen. Buttons are typically below the touchpad.
They have a stylus that looks like a plastic pencil that you can use to draw on a flat panel. The device will register the pressure of the user’s hand to draw lighter or darker lines on the screen. Many even have erasers on the back that allow you to erase mistakes with the stylus.
This is a small video camera that takes video and inputs it into the computer. These allow you to record and send small videos or have a video chat with someone over the Internet.
A barcode reader is an electronic device that can read and output printed barcodes to a computer. it consists of a light source, a lens and a light sensor translating optical impulses into electrical ones.
The fax machine is a telecommunications technology and used for transfer copies of documents. Its also known as a telecopier in certain industries. The fax machine consists of a scanner a modem, a printer, and a phone.
The microphone is an input device and input sound that is then stored in a digital form. The microphone is used for various applications and such as adding sound to a multimedia presentation or for mixing music.