IBM RT PC Manual To Operations page 127

formatted diskette. A diskette on which control
information for a particular computer system
has been written but which mayor may not
contain any data.
function keys. Keys that request actions but do
not display or print characters. Included are the
keys that normally produce a printed character,
but when used with the code key produce a
function instead. Compare with character key.
graphic character. A character that can be
displayed or printed.
graphics. A type of data created from
fundamental drawing units such as lines, splines,
curves, and polygons.
hard rde. See fixed disk.
hardware. The equipment, as opposed to the
programming, of a system.
ID. Identification.
initial program load (IPL). The process of
loading the system programs and preparing the
system to run jobs.
IPL. See initial program load.
K-byte. See kilobyte.
key pad. A physical grouping of keys on a
keyboard (numeric keypad, cursor keypad,
etc.).
keyboard. An input device consisting of various
keys allowing the user to input data, control
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RT PC Guide To Operations
cursor and pointer locations, and to control the
user and workstation dialogue.
keylock feature. A security feature in which a
lock and key can be used to restrict the use of
the display station and the system unit.
kilobyte. 1024 bytes.
label. The name in the disk or diskette volume
table of contents that identifies a file.
log in (v). To sign on at a work station.
log off (v). To sign off at a work station.
M-byte. See megabyte.
megabyte. 1,048,576 bytes.
mouse. A locator device hand-operated by
moving it on a surface. The mouse is used to
provide cursor positioning and graphic input.
password. A string of characters that, when
entered along with a user identification, allows
an operator to login to the system.
pointing. The action of positioning the pointing
cursor on a displayed object.
pointing cursor. A cursor used to point to and
select buttons, to activate panes, and to scroll
the contents of the active pane. The pointing
cursor is controlled by the mouse.
power-on
light.
A light on the operator panel
that indicates that the DC power in the system
unit is okay.