Computer Peripherals

Input Devices

Definition

•Any device that
provides input to a
computer.

•Most common are the
keyboard and mouse.

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Input Devices

•Every key you press
or click you make
sends a specific
input signal.

•What are other
input devices?

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Input Devices

Examples

•Game Controllers
•Microphones
•Scanners- Scans Documents
•Digital Cameras – Film based
camera that captures images
digitally
•Webcams – Combines video
camera and the WEB

•All these devices send info
to the computer!

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Output
Devices
Definition

•Any device that outputs
information from a
computer.
•Most common are the
monitor and speakers.

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Output
Devices

•Provide instant
feedback to the user’s
input; display characters
as typed or playing a
song off a playlist.

•What are other output
devices?

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Output
Devices
Examples

•Headphones
•Printers
•Projectors

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Computer Peripherals:
Hardware & Software

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Hardware
Definition

•Refers to the physical
parts of the computer
and other devices.

•There is internal
hardware and external
hardware.

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Internal
Hardware
Examples

•Motherboards – Main
circuit board of computer
•Hard Drives – stores all
data
•RAM – made up of small
memory chips that form a
memory module

•Internal Hardware is
commonly referred to as
components.

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External
Hardware
Examples

•Monitors
•Keyboards
•Mouse
•Printers
•Scanners

•External Hardware is
usually referred to as
peripherals.

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Storage

•Storage devices are
any hardware capable
of holding information
either temporarily or
permanently.

•Examples:

•Hard Drive
•Flash Drive
•Memory Card

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Software
Definition

•General term that describes
computer programs.
•Other terms for software:

•Software programs
•Applications – software
program that runs on your
computer such as Web
browsers and word
processors
•Scripts – list of commands
that are executed by a
certain program instructions

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Software

•Can be difficult to
describe because it is
“virtual” and not physical.

•Stored as binary data
that is copied to the
computers hard drive.

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The End

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