random exam practice: all useful answers you need Flashcards
what do computers work with to process info
numbers
how much is a gigabyte
a billion bytes
is a scanner an input device?
yeee boyyy
what does a cursor control do
moves your cursor
how does an optical mouse function
uses internal sensor or laser to sense mouse’s movement
what is a printer’s output rate
determines how many pages it can print per minute
how do impact printers function
they have tiny hammers that hit the paper through inked ribbon
what is a warm boot
restarting the computer when it is already powered on
what do the S-video and DVI ports do
facilitate connecting the computer to multimedia devices such as TV and DVD players
what regulates the wall voltage to the voltages required by the computer chips
is stored inside the system unit
the power supply
what are programs
sets of instructions that tell computer what to do
is part of softwares
in a table, a table is a collection of related:
records
give an example of an integrated software application package
Microsoft works
describe the software Intuit Quicken
it includes electronic checkbook registers and automatic bill payment tools
give two example of desktop publishing softwares
QuarkXpress
AdobeInDesign
