Archives : September-2019

Proxy Server Definition Most large businesses, organizations, and universities these days use a proxy server. This is a server that all computers on the local network have to go through before accessing information on the Internet. By using a proxy server, an organization can improve the network performance and filter what users connected to the ..

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Tumblr Definition Tumblr is a microblogging website that allows you to create and follow blogs. Unlike traditional blogging websites, Tumblr encourages short posts, such as a single photo or a few sentences of text. The goal is to make blogging quick and easy, enabling users to post frequent updates. Tumblr is also more community-oriented than other blogging websites, offering ..

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Page Layout Definition Page layout refers to the arrangement of text, images, and other objects on a page. The term was initially used in desktop publishing (DTP), but is now commonly used to describe the layout of webpages as well. Page layout techniques are used to customize the appearance of magazines, newspapers, books, websites, and other types of publications. ..

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Whole Number Definition A whole number is an integer that is 0 or greater. The first five whole numbers are 0, 1, 2, 3, and 4. They continue upwards to infinity. Whole numbers are almost identical to natural numbers except they include 0. This is important in computer science since numeric ranges often begin with zero. For example, the first record ..

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Sprite Definition A sprite is a bitmap graphic that is designed to be part of a larger scene. It can either be a static image or an animated graphic. Examples of sprites include objects in 2D video games, icons that are part of an application user interface, and small images published on websites. In the 1980s and for most of ..

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Rational Number Definition A rational number is any number that can be expressed as a ratio of two integers (hence the name “rational”). It can be written as a fraction in which the the top number (numerator) is divided by the bottom number (denominator). All integers are rational numbers since they can be divided by 1, which ..

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Grayscale Definition Grayscale is a range of monochromatic shades from black to white. Therefore, a grayscale image contains only shades of gray and no color. While digital images can be saved as grayscale (or black and white) images, even color images contain grayscale information. This is because each pixel has a luminance value, regardless of its color. Luminance can also be ..

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Hashtag Definition A hashtag is a number symbol (#) used to label keywords in a tweet. The name “hashtag” was coined by Twitter and combines the word “hash” (another name for the number symbol) and “tag,” since it is used to tag certain words. In order to tag a keyword in a Twitter post, simply type a number ..

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Hexadecimal Definition Hexadecimal is a base-16 number system. It is a different method of representing numbers than the base-10 system we use in every day practice. In base-10, we count in multiples of 10 before adding another digit. For example, “8 – 9 – 10 – 11 – 12…” and “98 – 99 – 100 – 101 – 102…” ..

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USB-C Definition Stands for “Universal Serial Bus Type-C.” USB-C is a type of USB connector that was introduced in 2015. It supports USB 3.1, which means a USB-C connection can transfer data up to 10 Gbps and send or receive up to 20 volts or 100 watts of power. Unlike the previous USB Type-A and USB Type-B ports, the ..

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