Kilohertz Definition One kilohertz (abbreviated “kHz”) is equal to 1,000 hertz. Like hertz, kilohertz is used to measure frequency, or cycles per second. Since one hertz is one cycle per second, one kilohertz is equal to 1,000 cycles per second. Kilohertz is commonly used to measure the frequencies of sound waves, since the audible spectrum of sound ..
Archives : September-2019
Facebook Definition Facebook is a social networking website that was originally designed for college students, but is now open to anyone 13 years of age or older. Facebook users can create and customize their own profiles with photos, videos, and information about themselves. Friends can browse the profiles of other friends and write messages on their pages. ..
Instagram Definition Instagram is an online photo sharing service. It allows you to apply different types of photo filters to your pictures with a single click, then share them with others. While is a rather basic service, Instagram’s simplicity has helped it gain widespread popularity. While nearly all smartphones have built-in cameras, they often do not produce quality photos. ..
Blog Definition Short for “Web Log,” this term refers to a list of journal entries posted on a Web page. Anybody who knows how to create and publish a Web page can publish their own blog. Some Web hosts have made it even easier by creating an interface where users can simply type a text ..
MySpace Definition MySpace is an online community that allows friends to keep in touch and meet new people as well. It started out as a website that bands could use to promote their music, but has since grown into a more general community of friends. Anyone who is at least 14 years old can sign ..
Spider Definition A spider is a software program that travels the Web (hence the name “spider”), locating and indexing websites for search engines. All the major search engines, such as Google and Yahoo!, use spiders to build and update their indexes. These programs constantly browse the Web, traveling from one hyperlink to another. For example, when a ..
SEO Definition Stands for “Search Engine Optimization.” Just about every Webmaster wants his or her site to appear in the top listings of all the major search engines. Say, for example, that Bob runs an online soccer store. He wants his site to show up in the top few listings when someone searches for “soccer ..
RGB Definition Stands for “Red Green Blue.” RGB refers to three hues of light that can be mixed together to create different colors. Combining red, green, and blue light is the standard method of producing color images on screens, such as TVs, computer monitors, and smartphone screens. The RGB color model is an “additive” model. When 100% of ..
LCD Definition Stands for “Liquid Crystal Display.” LCD is a flat panel display technology commonly used in TVs and computer monitors. It is also used in screens for mobile devices, such as laptops, tablets, and smartphones. LCD displays don’t just look different than bulky CRT monitors, the way they operate is significantly different as well. Instead of firing electrons at a ..
Touchscreen Definition A touchscreen is a display that also serves as an input device. Some touchscreens require a proprietary pen for input, though most modern touchscreens detect human touch. Since touchscreen devices accept input directly through the screen, they do not require external input devices, such as mice and keyboards. This makes touchscreens ideal for computer kiosks, as well as ..
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