| Hacker |
While this term originally referred to a clever or expert programmer, it is now more commonly used to refer to someone... |
| Halftone |
A halftone image is made up of a series of dots rather than a continuous tone. These dots can be different sizes... |
| Handle |
In online chat, the name you use is often referred to as your screen name, or handle. So if you decided to name... |
| Hard Copy |
A hard copy is a printed document. It may be a text file, photograph, drawing, or any other type of printable file... |
| Hard Disk |
When you save data or install programs on your computer, the information is typically written to your hard disk. The... |
| Hard Drive |
The hard drive is what stores all your data. It houses the hard disk, where all your files and folders are physically... |
| Hard Token |
A hard token, sometimes called an "authentication token," is a hardware security device that is used to authorize a... |
| Hardware |
Computer hardware refers to the physical parts of a computer and related devices. Internal hardware devices include... |
| HDD |
HDD is short for "hard disk drive." An HDD is a storage device used to store data. Unlike RAM, which requires... |
| HDMI |
Stands for "High-Definition Multimedia Interface." HDMI is a digital interface for transmitting audio and video data... |
| HDTV |
Stands for "High Definition Television." HDTV is a high-quality video standard developed to replace older video... |
| HDV |
Stands for "High-Definition Video." According to a consortium of manufacturers including Sony, JVC, Canon, and Sharp... |
| Heat Sink |
A computer's CPU may perform millions of calculations every second. As the processor continues to work at a rapid... |
| Hertz |
Hertz (abbreviated: Hz) is the standard unit of measurement used for measuring frequency. Since frequency is... |
| Heuristic |
Generally speaking, a heuristic is a "rule of thumb," or a good guide to follow when making decisions. In computer... |
| Hexadecimal |
Hexadecimal is a base-16 number system. It is a different method of representing numbers than the base-10 system we... |
| HFS |
Stands for "Hierarchical File System." HFS is the file system used for organizing files on a Macintosh hard disk... |
| Hibernate |
If you are not going to use your computer for a few hours, it is a good idea to put it to sleep (also known as standby... |
| Hit |
Technically, a hit is a request made to a Web server. It is a popular misconception that the term refers to the number... |
| Home Page |
This is the starting point or front page of a Web site. This page usually has some sort of table of contents on it and... |
| Horizontal Market Software |
A horizontal market is one that supplies goods to a variety of industries instead of just one. Therefore, horizontal... |
| Host |
This is a computer that acts as a server for other computers on a network. It can be a Web server, an e-mail server... |
| Hover |
When you roll the cursor over a link on a Web page, it is often referred to as "hovering" over the link. This is... |
| HSF |
Stands for "Heat Sink and Fan." Nearly all computers have heat sinks, which help keep the CPU cool and prevent it from... |
| HTML |
Stands for "Hyper-Text Markup Language." This is the language that Web pages are written in. Also known as hypertext... |
| HTTP |
Stands for "HyperText Transfer Protocol." This is the protocol used to transfer data over the World Wide Web. That's... |
| HTTPS |
Stands for "HyperText Transport Protocol Secure." HTTPS is the same thing as HTTP, but uses a secure socket layer... |
| Hub |
This is a hardware device that is used to network multiple computers together. It is a central connection for all the... |
| Hyper-Threading |
Hyper-threading is a technology developed by Intel Corporation. It is used in certain Pentium 4 processors and all... |
| Hyperlink |
A hyperlink is a word, phrase, or image that you can click on to jump to a new document or a new section within the... |
| Hypermedia |
Most Web navigation is done by clicking text-based links that open new pages in a Web browser. These links, which are... |
| Hypertext |
Hypertext is text that links to other information. By clicking on a link in a hypertext document, a user can quickly... |
