Computer Networks and Software Basics

Front

What is a Local Area Network (LAN)?

Back

A network that covers a local area, such as the inside of a home or a public business. Wi-Fi is a type of LAN.

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What is a Metropolitan Area Network (MAN)?

Back

A network that connects multiple LANs.

Front

What is a Wide Area Network (WAN)?

Back

A network that covers a wide area and is typically used to connect office buildings or provide public Internet access.

Front

What is a Personal Area Network (PAN)?

Back

A network that includes Wi-Fi networks, fixed wireless data networks, and other small-area networks. Bluetooth is a type of PAN technology.

Front

What is the Basic Input/Output System (BIOS)?

Back

A chip built directly into the computer, known as boot firmware because it is the first program run when the computer is turned on. It initializes all computer hardware, locates software stored on peripheral devices, and loads and executes the software.

Front

What is MPEG-4?

Back

A widely used standard for compressing and encoding video and audio data.

Front

What are some common video file formats?

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AVI, MOV, MPG, MP4

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What are some common Microsoft Word file formats?

Back

doc, docx

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What are some common image file formats?

Back

GIF, JPEG, JPG, PNG, TIFF

Front

What are HTML files?

Back

Files that describe a webpage and are readable by a web browser, with extensions .htm or .html.