How Routing Algorithms Workby Roozbeh Razavi
If you have read the article How Routers Work, then you know that a router is used to manage network traffic and find the best route for sending packets. But have you ever thought about how routers do this? Routers need to have some information about network status in order to make decisions regarding how and where to send packets. But how do they gather this information?
In...
Saturday, 8 December 2012
How RAM Work [ Also Learn How to Install it. ]
How RAM Work
by Jeff Tyson
Random access memory (RAM) is the best known form of computer memory. RAM is considered "random access"because you can access any memory cell directly if you know the row and column that intersect at that cell.
The opposite of RAM is serial access memory (S s a series of memory cells that can only be AM). SAM stores data accessed sequentially (like a cassette tape). If the data is not in the current...
How OSI Layers Works [ In Less than 2 Minute ]
How OSI Works also Known as & 7 Layers of Operation System
by Jeff Tyson
Virtually all networks in use today are based in some fashion on the Open Systems Interconnection (OSI) standard. OSI was developed in 1984 by the International Organization for Standardization (ISO), a global federation of national standards organizations representing approximately 130 countries.
The core of this standard is the OSI Reference...
How Microprocessors Work [ History ]
How Microprocessors Workby Marshall Brain
The computer you are using to read this page uses a microprocessor to do its work. The microprocessor is the heart of any normal computer, whether it is a desktop machine, a server or a laptop. The microprocessor you are using might be a Pentium, a K6, a PowerPC, a Sparc or any of the many other brands and types of microprocessors, but they all do approximately the same thing...
How LCDs Work [ Ever Wonder What's Inside LCD ]
How LCDs Workby Jeff Tyson
You probably use items containing an LCD (liquid crystal display) every day. They are all around us -- in laptop computers, digital clocks and watches, microwave ovens, CD players and many other electronic devices. LCDs are common because they offer some real advantages over other display technologies....
How Fingerprint Scanners Work [ PDF BOOK ]
How Fingerprint Scanners Workby Tom Harris
Computerized fingerprint scanners have been a mainstay of spy thrillers for decades, but up until recently, they were pretty exotic technology in the real world. In the past few years, however, scanners have started popping up all over the place -- in police stations, high-security buildings and even on PC keyboards. You can pick up a personal USB fingerprint scanner for less...
How Facial Recognition Systems Work
How Facial Recognition Systems Work
by Kevin Bonsor
A ticket to Super Bowl XXXV in Tampa Bay, Florida, didn't just get you a seat at the biggest professional football game of the year. Those who attended the January 2000 event were also part of the largest police lineup ever conducted, although they may not have been aware of it at the time. The Tampa Police Department was testing out a new technology, called Face It, that...
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