What good is a computer, unless you have a way to get information into it? Therefore, input devices are necessary to provide ways to communicate with the computer. Information and commands are issued to the computer by way of these devices.
Examples of input devices include the
digitizing pen and tablet,
The power supply brings electricity from an outside current and transforms it into electricity that
the computer can use. The bus is the electronic path that carries information to devices. The ports connect devices to the computer.
The main circuit board of a computer is called the
motherboard. The main chip in the
computer is the central processing unit
CPU. It is called the CPU
because its main function is to process instructions, manage the flow of
information through the computer system, and perform calculations. It is
the heart of the computer and communicates with the output, input and
storage devices to perform tasks that are important to the functioning of
The power supply brings electricity from an outside current and transforms it into electricity that the computer can use. The bus is the electronic path that carries information to devices. The ports connect devices to the computer.
Storage devices hold information. They operate just like a filing cabinet. The information is stored on these devices are used to perform tasks. The information can be as simple as data, or more complex application programs that will enhance your work.
Examples of the devices include the hard drives,
floppy drives, tape drives,
CD-ROM drives, and
|In order to communicate with the computer and get the results of the information you have put into the computer, output devices are needed. Outputed information can be displayed as screen information, printed on paper, or outputed as sound.|
Examples of output devices include speakers, monitor, printers, and I/O Architecture
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