Computer Parts & Components Definition & types of peripheral

Peripheral Device

External hardware devices attached to the computer
are called peripheral devices

There are three types of peripheral devices :
• Input devices
• Output devices
• Storage devices

Input Devices 
Input devices are any electronic device that are connected to a computer and produces
input signals.

Figure 1: Peripheral Device

                                                     Figure 1: Peripheral Device




 Figure 2: Input Device

Output Devices
Output is the result of data processing activity when it is presented externally to the
system. The output from a computer can be printed or displayed form .

An output device is hardware that is capable of delivering or showing information to one or
more users. An output device shows, prints and presents the results of a computer’s work.

                                                     
                                                           Figure 3: Output Device


Storage Devices
Information and documents are stored in a computer storage so that it can be retrieved
whenever they are needed later on.

Computer storage is the holding of data in an electromagnetic form for access by a
computer processor.