Peripheral devices are external hardware connected to a computer that are classified as input, output, or storage devices. Input devices produce input signals, output devices present processed data externally, and storage devices retain information and documents for retrieval. Examples of input devices include keyboards and mice, output devices include monitors and printers, and storage devices include hard drives, diskettes, CD ROMs, and thumb drives.

1. PREPARED BY: MASNIZA MUSTAFA

2. 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

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

4. 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.

5. Storage devices
Information and documents are stored in a computer storage so
that it can be retrieved whenever they are needed.
Hard disk Diskett e CD ROM Thumb drive

6. EXERCISE
Fill in the blank with correct divices

7. EXERCISE
Fill in the blank with the correct word.
1. _____________ is a high speed, high quality non impact printer.
2. __________________ is any type of hardware component that
conveys information to one or more people.
3. A _____________ is commonly used as the ‘film’ for digital cameras
4. An LCD monitor also call a _______________ produces harp, flicker
free images.
flat panel monitor / memory card / output divices / laser printer