IT Definition Stands for “Information Technology,” and is pronounced “I.T.” It refers to anything related to computing technology, such as networking, hardware, software, the Internet, or the people that work with these technologies. Many companies now have IT departments for managing the computers, networks, and other technical areas of their businesses. IT jobs include computer ..
Category : Technical
Password Definition A password is a string of characters used for authenticating a user on a computer system. For example, you may have an account on your computer that requires you to log in. In order to successfully access your account, you must provide a valid username and password. This combination is often referred to as a login. ..
Font Definition A font is a collection of characters with a similar design. These characters include lowercase and uppercase letters, numbers, punctuation marks, and symbols. Changing the font can alter the look and feel of a block of text. Some fonts are designed to be simple and easy to read, while others are designed to add a ..
HDTV Definition Stands for “High Definition Television.” HDTV is a high-quality video standard developed to replace older video formats often referred to as SDTV (standard definition television). While HDTV’s video quality is one of the most noticeable improvements over SDTV, HDTV includes a number of other important improvements as well. First of all, the HDTV ..
Boolean Definition Boolean, or boolean logic, is a subset of algebra used for creating true/false statements. Boolean expressions use the operators AND, OR, XOR, and NOT to compare values and return a true or false result. These boolean operators are described in the following four examples: x AND y – returns True if both x and ..
Integer Definition An integer is a whole number (not a fraction) that can be positive, negative, or zero. Therefore, the numbers 10, 0, -25, and 5,148 are all integers. Unlike floating point numbers, integers cannot have decimal places. Integers are a commonly used data type in computer programming. For example, whenever a number is being incremented, ..
Clock Speed Definition Clock speed is the rate at which a processor can complete a processing cycle. It is typically measured in megahertz or gigahertz. One megahertz is equal to one million cycles per second, while one gigahertz equals one billion cycles per second. This means a 1.8 GHz processor has twice the clock speed of a 900 MHz processor. ..
Analog Definition Analog is an adjective that describes a continuous measurement or transmission of a signal. It is often contrasted with digital, which is how computers store and process data using ones and zeros. While computers are digital devices, human beings are analog. Everything we perceive, such as what we see and hear, is a continuous transmission of ..
Telecommunications Definition Telecommunications, or telecom, is the transmission of signals over long distances. It began with the invention of the telegraph in 1837, followed by the telephone in 1876. Radio broadcasts began the late 1800s and the first television broadcasts started in the early 1900s. Today, popular forms of telecommunications include the Internet and cellular phone networks. ..
Computer Science Definition Computer science is the study of computers and computing concepts. It includes both hardware and software, as well as networking and the Internet. The hardware aspect of computer science overlaps with electrical engineering. It covers the basic design of computers and the way they work. A fundamental understanding of how a computer “computes,” or performs calculations, provides the ..
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