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What Is a Tank Circuit?
A tank circuit is a basic electronic component that is found in radios and TVs, and it controls frequencies within such devices. Learn about how a tank circuit filters out specific information...
How Do Stepper Motors Work?
A stepper motor, or step motor, consists of a permanent rotating shaft and electromagnets on stationary points that surround the motor. Find out how stepper motors work by rotating repetitively to...
How Do Cable Wireless Modems Work?
A cable modem is a device used to give someone Internet access from their Internet service provider, and some have wireless antennae that send signals into the air waves. Discover why a coaxial...
GPS Systems & How They Work
The GPS system, or global positioning system, is a system of satellites that orbit the Earth for purposes of navigation. Find out how personal GPS devices must communicate with at least four...
What Is Keyboard Sequencing?
Keyboard sequencing refers to combination of keys that are used in order to execute a specific function within a program. Learn about commonly used keyboard sequences, such as "Ctrl, Alt, Delete,"...
What Is the Difference Between AGP & PCI Video Cards?
The differences between AGP and PCI video cards are many, including the fact that AGP cards can hold much greater memory. Find out how an AGP card requires an accelerated graphics port in a...
What Is a SMART Board?
A SMART board is a digital whiteboard that allows the use of touchscreen capabilities to manipulate information, as it is connected to a computer. Discover how some SMART board utensils can be...
What Is a Lithium Ion Battery?
A lithium ion battery is a rechargeable battery in which ions move through the anode and cathode during discharge, and in the reverse direction while charging. Learn about the use of lithium ion...
What Is a DVD Decoder?
A DVD decoder comes in two basic types, which are a hardware decoder and a software decoder. Learn about DVD decoders and their use in capturing and storing different video formats with help from...
What Is a Data Warehouse?
A data warehouse is a repository of a company's electronic data, and it usually has a multitude of redundant servers for storing data. Find out how data warehouses are used to retrieve information...
What Is AI Used for?
AI, or artificial intelligence, is a process in the computer science industry in which computers take action and make decisions based on environmental changes. Find out why digital thermostats can...
How Does a Data Projector Work?
A data projector is a piece of hardware used to display images or screen shots from a computer to a wall or big screen. Find out how data projectors work through a VGA or RCA connection with help...
What Is a Virtual Keyboard?
A virtual keyboard is software, and sometimes subsequent hardware, that allows a user to use a keyboard with different devices, such as a touch, screen, monitor or mouse. Discover how a virtual...
How a Plasma Screen Works
A plasma screen is the most commonly used computer monitor today, and it works by receiving a video signal in thousands of tiny diodes, or LEDs, to illuminate pixels on the monitor. Learn about...
What Does Microdrive Mean?
Microdrive is generally used as a household name for a compact flash drive, but it also describes the basic circuitry inside a processor. Find out how microdrives control the flow of information...
What Is the Definition of a Scanner?
There are several different types of scanners, including flatbed scanners, paper-fed scanners and handheld scanners. Learn about how scanners are used to copy graphics, print or articles with help...
What Is RAM Timing?
RAM timing refers to the amount of time it takes for memory to prepare for access by the memory controller. Learn about the importance of RAM timing in a computer's performance with help from a...
What Is the Definition of a Control Unit?
The control unit is that basic circuitry inside a processor that controls the flow of information through the processor. Discover how the function performed by the control unit varies between CPUs...
What Is Network Sequencing?
Network sequencing is an important evolution of computer science that allows data or information to be broken up into smaller packets and sent across a network. Discover how sequencing labels...
How to Delete Internet History
You will how to delete your browsing history on your computer.
How to Build a Personal Weather Machine
Learn how to jet to any climate in the world in an instant, with Brian and Lloyd, hosts of tech makeover show My Home 2.0. To see complete instructions, more great DIY projects, and their latest...