Download Common Computer Terminology - Mr-Johnsons

Digital Literacy Lesson 2
Hardware
 Hardware: the physical components of a computer.
 Includes input devices, processing devices, storage
devices, and output devices.
 Examples
 Keyboard
 Mouse
 Hard disk
 Cables
 Printer
Operating System
 Operating System: controls and manages the
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hardware connected to the computer.
Provides an interface that helps you interact with the
computer.
Most operating systems use a GUI.
Graphical User Interface (GUI):displays images and
pictures that allow the user to interact with a computer
easily.
Example of an Operating System (Windows XP)
Programs
 Platform: the hardware and operating system
working together
 Program: Instructions that allow the user to complete
a task.
 Examples of programs: Microsoft Word, Calculator
 Data: information input into the computer by the
user. Can be text, graphics, audio or video.
Networks
 Network: A group of computers and devices linked
together that are able to share information , data, and
devices and communicate with other users.
Networks
 Three Components
 Server: the main computer on the network that
provides services to other computers on the network.
 Workstation: a computer connected to a network.
 Communication channel: the path/link that
connects the computers and devices. May use cables or
be wireless.
Types of Networks
 Local Area Network (LAN): connects computers and
devices within a limited area such as a house or office.
Usually share printers or scanners.
 Wide Area Network (WAN): connects computers that
are in different areas (different buildings or cities).
 Example: the Internet