In the user interface, an interface added to an object that facilitates moving, sizing, reshaping, or other functions pertaining to an object. In programming, a pointer to a pointer, that is, a token that lets a program access an identified resource.
- Hardware Compatibility List (HCL)
A hardware list that Microsoft compiled for specific products, including Windows 2000 and earlier versions of Windows. The list for a specific product, such as Windows 2000, includes the hardware devices and computer systems that are compatible with that version of the product. For products in the Windows Server 2003 family, you can find the equivalent information on the Windows Catalog Web site.
- hardware configuration
Resource settings that have been allocated for a specific device. Each device on your computer has a hardware configuration, which can consist of interrupt request (IRQ) lines, direct memory access (DMA), an input/output (I/O) port, or memory address settings.
A portion of memory reserved for a program to use for the temporary storage of data structures whose existence or size cannot be determined until the program is running.
- Help and Support Center
A unified place where a user can access all Help and Support content and services from both Microsoft and the OEM.
- home directory
The root directory for a Web site, where the content files are stored. Also called a document root or Web root. In Internet Information Services (IIS), the home directory and all its subdirectories are available to users by default. Also, the root directory for an IIS service. Typically, the home directory for a site contains the home page. See also home page.
- home page
In the context of Internet Explorer, the home page is the first page users see when they start the browser. Home page is also a more general term for the main page of a Web site, which usually contains a main menu or table of contents with links to other pages within the site.
Any device on a TCP/IP network that has an Internet Protocol (IP) address. Examples of hosts include servers, workstations, network-interface print devices, and routers. Sometimes used to refer to a specific network computer that is running a service used by network or remote clients .
For Network Load Balancing, a cluster consists of multiple hosts connected over a local area network (LAN).
See also client; cluster; local area network (LAN); server; service; Transmission Control Protocol/Internet Protocol (TCP/IP).
- host name
The DNS name of a device on a network. These names are used to locate computers on the network. To find another computer, its host name must either appear in the Hosts file or be known by a DNS server. For most Windows-based computers, the host name and the computer name are the same. See also DNS server; Domain Name System (DNS).
A common connection point for devices in a network. Typically used to connect segments of a local area network (LAN), a hub contains multiple ports. When data arrives at one port, it is copied to the other ports so that all segments of the LAN can see the data. See also local area network (LAN).
- Hypertext Markup Language (HTML)
A simple markup language used to create hypertext documents that are portable from one platform to another. HTML files are simple ASCII text files with codes embedded (indicated by markup tags) to denote formatting and hypertext links.
- Hypertext Transfer Protocol (HTTP)
The protocol used to transfer information on the World Wide Web. An HTTP address (one kind of Uniform Resource Locator (URL)) takes the following form: http://www.microsoft.com. See also protocol.