Computer Modems Key Terms

Learn key terms for working with and buying computer modems

Computer modems have become an indispensable piece of equipment for almost every type of business. Computers and modems are now used for Internet access, equipment databases, customer and sales records, and countless other business functions that can help your company grow.

It's important to know how computer modems work and how they can benefit you, which requires the knowledge of a few basic key terms. Learn computer modems key terms to learn how modems work, what kinds are available and which ones will work best for your business.

 

DSL

DSL is a digital subscriber line, a method of connecting with the Internet that's much faster than dial-up service. DSL allows you to maintain a continuous digital connection rather than relying on a phone line to dial in. Learn about DSL to find out if it can benefit your company.
Try: Tech Terms, a computer-related online dictionary, explains that DSL actually stands for "digital subscriber line" and how it's faster than using a regular telephone line to connect to the Internet.

Analog

Analog is the translation of information and data into electronic pulses that can be transmitted. A computer modem functions with analog and digital signals, so it's important to understand the concept of analog signals.
Try: HelloDirect offers this tutorial to help you understand the differences between analog and digital connections.

Bandwidth

Bandwidth is the amount of information that can be transmitted from one device to another in given time frame, usually a second. Bandwidth, also referred to as data transfer rate, determines how fast a computer modem can upload information and graphics.
Try: CoolNerds.com gives this easy explanation and analogy to help you understand bandwidth and how it affects the speed and efficiency of your computer's modem.

IP address

Every computer that connects to the Internet is assigned an Internet Protocol, or IP, address. This address identifies the individual computer based on its unique numerical assignment and its geographical location.
Try: WhatIsMyIPAddress.com explains what an IP address is and lets you determine the IP address for each computer you own, based on your location.

Serial ports

A serial port is the interface area through which data travels during transfer, like when you access a new web page. All modems contain serial ports that transmit information, but laptop and desktop serial ports are different.
Try: ComputerHope.com offers a straightforward definition of a serial port, along with troubleshooting help.

ROM and RAM

ROM and RAM stand for Read Only Memory and Random Access Memory respectively. ROM is permanently contained within your computer and contains information required for the computer to function, while RAM houses information for running various programs and can be adapted to your computer's specifications.
Try: PCTechGuide offers this simple explanation of ROM, RAM, the differences between the two and how they both factor in to your computer's memory capacity.

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