File Extension Definition A file extension (or simply “extension”) is the suffix at the end of a filename that indicates what type of file it is. For example, in the filename “myreport.txt,” the .TXT is the file extension. It indicates the file is a text document. Some other examples include .DOCX, which is used for Microsoft Word documents, and .PSD, which is the ..
Archives : September-2019
Download Definition Download can be used as either a verb or a noun. As a verb, it refers to the process of receiving data over the Internet. Downloading is the opposite of uploading, or sending data to another system over the Internet. As a noun, download may refer to either a file that is retrieved from the Internet or the process of ..
Trojan Horse Definition In Greek mythology, there is a story about the Trojan War. This war lasted many years, as the Greeks could not penetrate the heavily barricaded city of Troy. So one day, a few of the Greek soldiers brought the people of Troy a large wooden horse, which they accepted as a peace ..
GUI Definition Stands for “Graphical User Interface” and is pronounced “gooey.” It is a user interface that includes graphical elements, such as windows, icons and buttons. The term was created in the 1970s to distinguish graphical interfaces from text-based ones, such as command line interfaces. However, today nearly all digital interfaces are GUIs. The first commercially available GUI, called “PARC,” was developed by ..
Macintosh Definition Macintosh is a line of desktop and laptop computers developed by Apple. Each Macintosh computer, or Mac, runs a version of the Mac OS, Apple’s desktop operating system. Since 2001, all Macs have run Mac OS X, a redesigned version of the original Mac OS that was built from the NeXTSTEP operating system. The original Macintosh, released in 1984, was ..
UICC Definition Stands for “Universal Integrated Circuit Card.” A UICC is a “smart card” designed to operate with 3G and 4G wireless technologies, including LTE. It can be used for multiple applications, but is commonly used as a SIM card in mobile phones. UICCs have mostly replaced ICCs (Integrated Circuit Cards), which were used with 2G and early 3G systems. A UICC ..
Escape Key Definition The Escape key is located in the upper-left corner of a computer keyboard. It typically resides to the left of the Function keys (F1, F2, F3, etc.) and above the tilde (~) key. Most often, is is labeled with the abbreviation “esc.” The Escape key has many purposes, which have evolved over time. ..
Molex Connector Definition A Molex connector is a common type of connector used to power internal computer components. The name comes from the Molex Connector Company, which pioneered the two-piece electrical connectors that became standard in computers and other electronics. Since Molex makes dozens of different connectors, there is no single connector technically called a “Molex ..
Cable Management Definition Cable management is the organization of cables connected to electrical devices. This includes power cables, network cables, audio/video cables, and many others. Managing cables is a key aspect of a clean and safe home or work environment. Electrical devices often require multiple cables. For example, a desktop computer may require a power cord, Ethernet cable, and multiple USB cables for peripheral devices. ..
Logic Gate Definition Logic gates perform basic logical functions and are the fundamental building blocks of digital integrated circuits. Most logic gates take an input of two binary values, and output a single value of a 1 or 0. Some circuits may have only a few logic gates, while others, such as microprocessors, may have millions of them. There ..
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