Input Device

The following are examples Computer Hardware Input Device:

• Keyboard

The keyboard is an input device that is required. Keyboard or keyboard function to enter letters, numbers, special characters and perform commands like save and open files. Keyboard types can be distinguished by type of port / colokanyang used, the type of PS2, USB or Wireless.

• Mouse

Mouse serves as a tool for pointing and selecting objects on the screen, giving the command by clicking, double clicking and dragging (dragging) the items we choose. Currently Mouse with optical sensor mouse has shifted the past that use the ball to move the sensor. Just as the keyboard, mouse types can also be distinguished by jack / port used ie, PS2, USB and Wireless.

• Touchpad

Touchpad including computer hardware input that we usually find on the laptop or notebook, work as mouse but using the touch of a finger to move them. In addition to the touchpad is a model similar units enter the pointing stick and trackball.

Light Pen

Light Pen is one of the input devices of the computer system that is widely used for the purpose of technical drawing or graphics. Light looks like a ballpoint pen that is sensitive to light and is used in conjunction with a CRT TV or computer monitor. Light Pen by touching the monitor, the computer can determine the position of the point where it was touched by the Light Pen.

• Touchscreen

Touchscreen or touch screen is a computer display that also functions as an input device. This screen is sensitive to pressure, the user interacts with the computer by touching pictures or words on the screen with your fingers. Touchscreens can also sense other passive objects, such as a stylus. Touchscreens can be encountered on devices such as game consoles, tablet computers, and smartphones.

• Scanner

Scanner serves as a tool to enter data such as pictures / photos. Klo we see the same principle works like a photocopy machine, but the resulting output would normally be stored in the form of files. There is also such a thing as a barcode scanner, which is what we see at the checkout minimarket which serves to scan the barcode on the packaging indicating the identity of the goods.

• WebCam

WebCam (short for web camera) is a type of camera is intended for web-based services, such as instant messaging program Yahoo Messenger, AOL Instant Messenger (AIM), Windows Live Messenger and Skype. WebCam also can also be used to take pictures and edit images on a computer, monitor the situation around the office / home and Interactive video games.

• VGA Card

VGA Card is the component that serves as the picture show / display on the monitor. VGA stands for Video Graphics Array. Type VGA Card can be seen from the slot that will be used on the motherboard of the computer, such as AGP, PCI, PCIe and

• Sound Card

Sound Card is an example of computer hardware components that can serve as an input device or as an output device. As an input device is this part of the process the incoming sound, usually from the microphone. While the device output functions convert data into sounds that will be displayed on the speakers. Klo I noticed in today's mainboard, sound card many already installed onboard.