Glossary - T
table tags -
In Information Presentation Facility,
a document element that formats text in an arrangement of rows and columns.
tag -
(1) One or more
characters attached to a set of data that contain information about the
set, including its identification. (I) (A) (2) In Generalized Markup
Language markup, a name for a type of document or document element that
is entered in the source document to identify it.
target
object -
An object to which the user is transferring
information.
Task List -
In
the Presentation Manager, the list of programs that are active. The list
can be used to switch to a program and to stop programs.
terminate-and-stay-resident
(TSR) -
Pertaining to an application that modifies
an operating system interrupt vector to point to its own location (known
as hooking an interrupt).
text -
text cursor -
A
symbol displayed in an entry field that indicates where typed input will
appear.
text window -
Also
known as the VIO window.
text-windowed application
-
The environment in which the operating system
performs advanced-video input and output operations.
thread
-
A unit of execution within a process. It uses
the resources of the process.
thumb mark -
The
portion of the scroll bar that describes the range and properties of the
data that is currently visible in a window. Also known as a slider box.
thunk -
Term used
to describe the process of address conversion, stack and structure realignment,
etc., necessary when passing control between 16-bit and 32-bit modules.
tilde -
A mark used
to denote the character that is to be used as a mnemonic when selecting
text items within a menu.
time slice -
(1)
An interval of time on the processing unit allocated for use in performing
a task. After the interval has expired, processing-unit time is allocated
to another task, so a task cannot monopolize processing-unit time beyond
a fixed limit. (2) In systems with time sharing, a segment of time allocated
to a terminal job.
time-critical process -
A
process that must be performed within a specified time after an event has
occurred.
timer -
A
facility provided under the Presentation Manager, whereby Presentation Manager
will dispatch a message of class WM_TIMER to a particular window at specified
intervals. This capability may be used by an application to perform a specific
processing task at predetermined intervals, without the necessity for the
application to explicitly keep track of the passage of time.
timer
tick -
title
bar -
In SAA Advanced Common User Access architecture,
the area at the top of each window that contains the window title and system
menu icon. When appropriate, it also contains the minimize, maximize, and
restore icons. Contrast with panel title.
TLB
-
Translation lookaside buffer.
transaction
-
An exchange between a workstation and another
device that accomplishes a particular action or result.
transform
-
(1) The action of modifying a picture by scaling,
shearing, reflecting, rotating, or translating. (2) The object that performs
or defines such a modification; also referred to as a transformation.
Translation lookaside buffer (TLB) -
A
hardware-based address caching mechanism for paging information.
Tree
-
In the Presentation Manager, the window in
the File Manager that shows the organization of drives and directories.
truncate -
(1) To
terminate a computational process in accordance with some rule (A) (2)
To remove the beginning or ending elements of a string. (3) To drop data
that cannot be printed or displayed in the line width specified or available.
(4) To shorten a field or statement to a specified length.
TSR
-
Terminate-and-stay-resident.
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