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.