binary
the base-2 numbering system that most computers use.
bit
binary digit; smallest possible unit of information that a
computer can process
brightness
amount of white or black in a colour
byte
common unit of computer storage; a byte is 8 bits
CCD
charge-coupled device: a light-sensitive chip-mounted
device used in scanners to convert light into an electrical charge.
CD
compact disc, a standard medium for storing digital data.
clipboard
area of a computer's memory that ho0lds what you last cut
or copied; paste inserts a copy of the current contents of the clipboard.
contrast
the relationship between the lightest and darkest areas in
an image.
cursor
Latin word sometimes used to describe the pointer or the
insertion point.
dpi
dots per inch; measurement of the density of information
in an image; also the measurement of the resolution of printers and image
setters. Se ppi
greyscale
depiction of grey tones between black and white; usually
composed of 256 greys.
image
graphic, photograph or illustration
interpolation
estimation of values between two known values; assignment
of an intermediate colour to pixel based on the colour of the surrounding
pixels.
justification
alignment of text at both sides of a paragraph through the
adjustment of word spacing.
margin
outer area of the page surrounding the principal text and
image areas.
menu
list of commands.
monochrome
tonal original, in shades of only one colour, such as
black
pixel
picture element: the smallest distinct unit of a bitmap
image
RAM
random access memory: memory that a computer uses to store
information it's processing at any given moment.
RGB
red, green, blue; the colour model used by scanners and
monitors
scroll
bars
bars equipped with a scroll box and scroll arrows which
enable you to scroll vertically or horizontally within windows.
spine
binding edge of a document; part of a document's cover
which is visible when placed on a shelf.
style
sheets
stored grouping of text formats used to format paragraphs
quickly and accurately.
template
document with special content that you use repeatedly
to form the basis of new documents.
virtual
memory
a means of using storage memory on a disk to supplement
RAM.