Definition Hardware

Definition of the hardware or in the Indonesian language it is also called by the name of "hardware" is one component of a computer that the nature of his instrument can be seen and touched, directly or in the form of real, which serves to support the computerization process.


Hardware can work based on pre-defined commands available to him, or what is also referred to by the term instruction set. With the commands that can be understood by the hardware, the hardware can perform a variety of activities that have been specified by the command.

Physically, the computer consists of multiple components that constitute a system. The system is the components which work together to form a union. If one component is not working, will result in malfunction of the existing processes with good computer. Computer components are included in the category of hardware elements (hardware). Based on the function, the computer hardware is divided into:

1. divice input (input unit)

2. Process device (processing unit)

3. Output device (output unit)

4. Backing Storage (storage unit)

5. Peripherals (additional units)

The basic components of the computer consists of input, process, output and storage. Input device consists of a keyboard and mouse, Process devices are microprocessor (ALU, Internal Communication, Registers and control section), Output device consists of a monitor and a printer, external memory storage consists of hard drives, floppy drives, CD ROM, magnetic tape. Storage internal memory consists of RAM and ROM. While the Peripheral Device component is an additional component or as a component that did not exist or did not exist before. Peripheral Component example: TV Tuner Card, Modem, Capture Card.

1. Input Unit (Input Device)

This unit serves as a medium to incorporate data from outside into a memory and a processor for processing in order to produce the required information. Input devices or input units commonly used personal computer (PC) is a keyboard and mouse, keyboard and mouse is a unit that connects user (users) and computers. In addition there is a joystick, which is used to play games or play with computers. Then the scanner to take pictures as digital images that can later be manipulated. Touch panel, using the touch of a finger users can access the file. Microphone, to record sounds into the computer.

Data is entered into the computer system can form the input signal and maintenance input. Signal input form data entered into the computer system, while the shape of input maintenance program used to process the data entered. So the input device is also used to enter the data can be used to enter the program. By its nature, the input devices can be classified into two general categories:

• peratalan direct input, the input is entered directly processed by the processing equipment. For example: keyboard, mouse, touch screen, light pen, graphics tablet digitizer, scanner.

• Equipment indirect input, input via a particular media before an input is processed by the processing equipment. For example: the punched card, floppy disk, hard disk.




Source Indonesia :

http://belajar-komputer-mu.com