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| There are 26 entries in the glossary. |
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| Hacker | Someone, usually knowledgeable about computers, who accesses electronic information without permission. |
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| Handheld | This
term refers to compact items that you can operate while holding in your
hand. Technology has allowed us to
create smaller and smaller devices, creating handheld devices from items that
were previously much larger.
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| Hard Disk |
The storage disk inside of the
computer that holds the operating system and programs. Hard disks are also used
in other devices like MP3 players, video cameras, and digital video recorders.
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| Hard Drive | The hardware mechanism that contains the hard disk. |
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| Hard Drive Size |
How much information (data) the
computer can hold.
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| Hardware | The physical components of a computer system. Refers to objects like disk drives, monitors, keyboards, and printers. |
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| HD DVD |
This is one of the
major formats of high definition DVDs. These DVDs boast picture quality that is
far superior to that found on regular DVDs. The other high definition DVD
format, called Blu-ray, is incompatible with HD DVD. So only a Blu-ray player
will play Blu-ray disks and an HD DVD player will play HD DVD disks. Several
manufacturers have developed players that play both formats, but these are
pricey. HD DVD is backed by Toshiba and some major motion picture studios.
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| HDMI (High-definition Multimedia Interfa |
This is a digital audio and video interface that is often found on televisions,
DVD players, video game consoles, video cameras, and other video equipment.
This type of connector replaces older standard connectors like composite video,
S-Video, component video, and DVI. It carries both audio and video in one
cable. HDMI supports digital rights management systems.
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| HDTV (High Definition Television) | High
definition television is a digital broadcasting system that produces greater
resolution and therefore clearer pictures than traditional television.
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| Header | One or more lines of text that appear at the top of every page of a document. |
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| High Capacity Drive | A floppy disk drive that can hold more information than the average floppy. They are slightly larger than conventional floppy disks, and about twice as thick. They are used for backing up hard disks and for transporting large files.
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| High Definition Multimedia Interface |
See HDMI
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| High Definition Television | see HDTV
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| High SpeedDial-up |
An Internet connection that uses
regular dial-up telephone lines and connections. A slightly faster speed is attained with
software to speed up transmissions.
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| HIPAA, Title II | is
the Health Insurance Portability and Accountability Act of 1996 that governs
the privacy and security of health information records and transactions.
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| Hit | When used in reference to the World Wide Web, "hit" means a single request from a Web browser for a particular item from a Web server. For example, opening a Web page that contains four graphics would record five hits to the Web server: one for the HTML Web page and one for each of the four graphics.
"Hits" are often used as a rough measure of the popularity of a Web page. As noted, however, a hit can represent anything from a request for a tiny document or graphic to a request for an entire Web page.
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| Hologram | A realistic three-dimensional image that is produced by laser beams. |
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| Home Page | The word Home Page has several meanings. It is the Web page that your browser uses when it starts. The same term also refers to the main Web page out of a collection of Web pages. |
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| Hot Link | A link between two applications or web pages that allows for easy access between the two. (see Hypertext Link) |
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| Hot-Swappable |
The ability to remove or add a
device to a computer system without having to turn off the computer. USB and
FireWire devices are hot-swappable. Although care should be taken to make sure
the devices are not in use when they are removed, the computer does not have to
be turned off to add or remove a USB or FireWire device.
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| Hotspot |
This is any location that provides public wireless Internet
access. Hotspots can often be found in parks, airports, train stations, hotels,
and restaurants. Today many McDonald’s restaurants have become hotspots. Some
hotspots are free while others require a fee. All of these hotspots can be
accessed from a computer with a wireless network card or built-in wireless
capability.
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| HTML (Hypertext Markup Language) | The language used to create Web pages and graphic documents for publication on the Web is HTML. Documents produced with HTML are like text documents that have tags embedded in them. The tags contain coding for attaching graphics, formatting, and hypertext links. An HTML document usually starts with <HTML><HEAD>, after which you enter the topic of the document. This is followed by the tags: </HEAD><BODY>, after which all information to be included in the Web page is inserted. The HTML document usually ends with </BODY></HTML>. Other tags are inserted in the document as needed for formatting and more complex programming. You can view the HTML behind any Web page. In Internet Explorer, click on View from the main menu and choose Source. In Netscape Navigator, click on View as well and then Page Source.
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| HTML Editors | Web creation programs are often referred to as HTML editors or Web editors.
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| HTTP (Hypertext Transfer Protocol) | The protocol used by the World Wide Web that defines how messages are formatted and transmitted. |
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| Hypertension | The
medical term for what is commonly known as high blood pressure.
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| Hypertext Link | A word that you click on when on the Web to take you to another Web page or site. These hot links are usually underlined or in a different color. |
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