Direct Input Device

Direct Input device enable processed directly by CPU of through this input device beforehand input to external deposit media, so that enable the direct interaction of between wearer with system computer. Direct input appliance can be classified into some faction that is keyboard, pointing device, scanner, censor, and voice recognizer.

• Keyboard

Keyboard is input device which most commonly and a lot of used. Input to appliance input process by typing pass the knob to press of exist in keyboard. Keyboard as a means of direct input, usually consorted with a appearance to present what depressed by keyboard. Keyboard with displayed this represent a terminal.

• Pointing Device

For certain, for example graph making or draw the. Input appliance which is in the form of pointing device for example Mouse, Touch Screen, Light Pen.

1. Mouse
Mouse is pointing device used to arrange the position of cursor in screen. By shifting mouse area which level off for example desk, cursor in screen will shift as according to direction from friction mouse. After cursor take possession of the certain position [is] wanted in screen, you can button exist in mouse for a few need, depended from some program used , for example to choose a screen choice.

2. Touch Screen
Touch Screen is monitor screen to activate the program if certain shares in screen touched by hand. For example screen present some choice to be selected, shares which you select to earn you do touching it.

3. Light pen
With light pen enable the you to touch a dot of screen and computer will read the location. If at your touch screen touch by hand , hence at your light pen touch the screen position with pen. With light pen, position of screen touch will be more precisely and more accurate. This technology a lot of used to make the graph and draw in planning constructively computer.

• Scanner

Input device which is in the form of scanner work by groping in input electronic to be read. appliance of Input scanner can be in the form of the Magnetic Ink Character Recognition ( MICR) And Optical of Data Reader.

• Censor

Censor represent the appliance capable to directly catch the data of physical occurrence. Analogous data collected by appliance sensor and input to incoming changer Analog-To-Analog converter will be processed by computer.

• Voice Recognizer

Voice Recognizer or speech recognizer make the computer understand the said human being command. Voice Recognizer use the microphone to catch voice as input. Although now computer have earned to accept the input voice, but do not all voice of human being comprehensibility by computer.