H:

Hardware Abstraction Layer. Used to provide a generic interface to the hardware and 'hide' hardware-specific functions.

A handle is a way of identifying an object that is owned or managed by another thread or process. orA client's representation of an object managed by the server.

See also: object  

In the context of asynchronous programming, the function that handles the completion of a request.

See also: asynchronous request  

A hyphen at which line wrapping cannot occur. It ensures that the enclosing word remains on the same line should a line break be required anywhere within the word. In this case, the word is moved to the next line.

See also: soft hyphen  

A space at which line wrapping cannot take place. It ensures that the enclosing characters or words remain on the same line. Should a line break be required anywhere within the group of characters or words, they are moved to the next line.

A bitmap that can be drawn to by graphics acceleration hardware.

This is a small, fixed length value generated by a function that has the property that different values for the data result in different hash values. The hash is encrypted using a private key to create the digital signature.

The manufacturer that first defined the Standard AT Command Set for modems.

See also: Hayes TSY  

The ETel TSY that supports Hayes modem commands.

See also: Hayes  

For Bluetooth, the Host Controller Interface (HCI) driver packages the higher level components to communicate with the hardware.

Text repeated at the top of every printed page.

See also: footer  

A file or directory attribute. Assigned to files or directories that should not normally be visible to the user.

See also: attribute  

If hidden, applications run in the background.

See also: application capabilities  

In the context of serial communications, when this point is passed in a receive buffer, a flow control suspend event is triggered.

See also: XOFF  

Help file.

The current location of the user. It is used to set variables such as UTC offset and summer time zones.

See also: default country  UTC  

The date and time taking into account both daylight saving if in effect and the current time zone's offset from Universal time.

See also: universal time  

A concrete control that contains a number of option buttons arranged horizontally. It is used to toggle mutually exclusive application states.

See also: option button  

A key press combination that sends a command. Usually this is to provide a short-cut to a menu option (e.g., ctrl+S for File | Save).

See also: command  

A table maintained by the UIKON framework for each application. It contains a list of all hotkeys, together with the commands they invoke, as defined in the application resource file.

See also: application resource file  

The part of a line which should be positioned at a specified height.

See also: line  

Common C++ or resource header, for inclusion in either type of source file.

The Bluetooth Headset Profile. It allows a headset to be wirelessly connected to a device for audio input and output.

HyperText Transfer Protocol, the underlying protocol used by the World Wide Web.