Basic Knowledge about the Computer, Internet and Networking

Basic Knowledge about the Computer, Internet and Networking

What is (Computer) Networking?
In the world of computers, networking is the practice of linking two or more computing devices together for the purpose of sharing data. Networks are built with a mix of computer hardware and computer software.

Area Networks
Networks can be categorized in several different ways. One approach defines the type of network according to the geographic area it spans. Local area networks (LANs) , for example, typically span a single home, school, or small office building, whereas wide area networks (WANs), reach across cities, states, or even across the world. The Internet is the world's largest public WAN.

Common Computer Abbreviations

Operating Systems and Data Storage

BIOS - This is the Basic Input Output System which controls the computer, telling it what operations to perform. These instructions are on a chip that connects to the motherboard.

BYTE - A byte is a storage unit for data.

"K" is a Kilobyte which is 1024 bytes.

"MB" is a Megabyte which is a million bytes.

CPU - This stands for the Central Processing Unit of the computer. This is like the computer’s brain.

MAC - This is an abbreviation for Macintosh, which is a type of personal computer made by the Apple Computer company.
OS - This is the Operating System of the computer. It is the main program that runs on a computer and begins automatically when the computer is turned on.

PC - This is the abbreviation for personal computer. It refers to computers that are IBM compatible.

PDF - This represents the Portable Document Format which displays files in a format that is ready for the web.

RAM - This stands for Random Access Memory which is the space inside the computer that can be accessed at one time.  If you increase the amount of RAM, then you will increase the computer’s speed. This is because more of a particular program is able to be loaded at one time.

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