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Glossary
PITS cycle Programming In The Small cycle. The repeating process of
editing, compiling, and executing code to eliminate bugs.
pointer The symbol on your computer's screen which shows where the mouse
is pointing. The pointer may be a hand, an arrow, or another shape.
pop-up menu A menu that pops up when you press and hold the right
mouse button. Pop-up menus are available whenever the mouse pointer
changes to a "hand-cursor".
predefined macro See also "macro".
pull-down menu A menu that appears to "pull down" from the menu bar at
the top of the interface window.
pushbutton A graphic control that simulates a real-life pushbutton. Use the
pointer and mouse to push the button and immediately start an action.
raw keyboard I/O mode The I/O mode in which each keystroke produces a
character that is sent to the target program that is reading from the keyboard.
recall buffer A text entry field which remembers its previous value.
resource See "X resource".
scheme file A file that contains X resource specifications for a particular
group of resources, for example, for a particular type of display, computing
environments, or language.
scroll bar A scroll bar is used to move a window so that you can see
information beyond the window's edge.
sequential usage model Describes a user interface in which user code
execution must be stopped before the interface can perform most commands.
shell See "host shell".
simulated I/O The debugger feature that lets user programs read input from,
and write output to, the same keyboard and display (respectively) that are used
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