CDMA Definition Stands for “Code Division Multiple Access.” CDMA is a wireless transmission technology that was developed during World War II by the English allies to avoid having their transmissions jammed. After the war ended, Qualcomm patented the technology and made it commercially available as a digital cellular technology. Now CDMA is a popular communications ..
Category : Technical
WiMAX Definition WiMAX is a wireless communications standard designed for creating metropolitan area networks (MANs). It is similar to the Wi-Fi standard, but supports a far greater range of coverage. While a Wi-Fi signal can cover a radius of several hundred feet, a fixed WiMAX station can cover a range of up to 30 miles. Mobile WiMAX ..
Double Click Definition Double clicking involves clicking your mouse button quickly two times. To perform a double click, and not just two clicks, the mouse button must be pressed twice within a very short time, typically about half a second. Most operating systems allow you to lengthen or shorten the maximum time allowed for a double click, ..
Cache Definition Cache, which is pronounced “cash” (not “catch” or “cashay”), stores recently used information so that it can be quickly accessed at a later time. Computers incorporate several different types of caching in order to run more efficiently, thereby improving performance. Common types of caches include browser cache, disk cache, memory cache, and processor cache. Browser cache – Most web browsers ..
Binary Definition Binary (or base-2) a numeric system that only uses two digits — 0 and 1. Computers operate in binary, meaning they store data and perform calculations using only zeros and ones. A single binary digit can only represent True (1) or False (0) in boolean logic. However, multiple binary digits can be used to represent large numbers and perform ..
Boot Sequence Definition Each time a computer boots up, it goes through an initial series of processes. This sequence of events is aptly named a “boot sequence.” During the boot sequence, the computer activates the necessary hardware components and loads the appropriate software so that a user can interact with the machine. The boot sequence starts by accessing ..
Peopleware Definition Computers operate using a combination of hardware and software. However, without user interaction, most computers would be useless machines. Therefore, “peopleware” is sometimes considered a third aspect that takes into account the importance of humans in the computing process. Peopleware is less tangible than hardware or software, since it can refer to many different things. Examples ..
Ergonomics Definition Ergonomics is the study of how humans interact with manmade objects. The goal of ergonomics is to create an environment that is well-suited to a user’s physical needs. While ergonomics is relevant in many areas, it is commonly applied to the workplace environment. For example, ergonomics is often used to create comfortable workstations for employees. ..
QWERTY Definition QWERTY (pronounced “quirty”) is an adjective used to describe standard Western (or Latin-based) keyboards. If you look at your keyboard, and the first six letters under the numbers are Q-W-E-R-T-Y, then you have a QWERTY keyboard. Nearly all keyboards used in the western hemisphere have a QWERTY layout. Some countries use slightly modified versions, ..
ANSI Definition Stands for “American National Standards Institute.” ANSI is a U.S.-based non-profit organization that works to develop and promote standards in the United States and around the world. By standardizing new products and technologies, ANSI both strengthens the United States’ position in the global marketplace and helps ensure product integrity and safety. ANSI was ..
Recent Comments