Term
File Management Metaphors
tree and file cabinet metaphor |
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Definition
tree: root, branches, leaves
drawers, folders, files |
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Term
hierachieal structure of directories
dfsf |
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Definition
drives
folders
sub folders
files |
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Term
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Definition
Bios basic input/output system activated
POST power of self test checks attached hardware
LOADS operating system loads into memory
C&C configuaration and customization settings are checked |
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Term
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Definition
single beep- all is ok
series of beeps- hardware problem |
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Term
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Definition
windows doesn't boot properly
uninstall any new devices or software |
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Term
system structure:
operating systems |
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Definition
control computer functions
hardware
memory
application programs
system maintenance |
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Term
system structure
system utilities |
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Definition
perform computer housekeeping tasks
manage system resources
improve efficiency
virus protection |
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Term
| what ability distinguishes a computer from other simple devices |
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Definition
| ability to store multiple programs in memory allows you to switch between tasks |
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Term
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Definition
| physical parts of the computer |
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Term
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Definition
| programs/instructions used to tell computer hardware what to do |
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Term
| what can a computer store |
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Definition
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Term
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Definition
| program is a set of hardware instructions which are loaded into memory |
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Term
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Definition
| a device that accepts input, processes and stores data, and produces output |
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Term
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Definition
places most common keys at homerow
reduces distance of finger stretches |
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Term
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Definition
less expensive
uses more energy
uses more space
better viewing angles |
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Term
Liquid Crystal Display
LCD |
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Definition
More expensive
Uses less space
Energysaver
Less viewable at an angle
liquid crystal sandwiched between to layers to form images |
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Term
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Definition
Random access memory b/c cpu can use it whenever necessary
Primary/main storage but not permanent
stores instructions and data
VOLATILE! |
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Term
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Definition
Found in motherboard
"brains" of the computer
processes all commands and instructions
performs billions of tasks per second! |
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Term
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Definition
| essential electronic components used to process data |
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Term
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Definition
motherboard
CPU
expanion cards
power supply
secondary storage |
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Term
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Definition
ports for peripheral devices
serial- connect modems
parallel- (used for printer)
VGA- (video) monitors connect
USB- replacing serial and parallel
connectivity(internet/ethernet) |
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Term
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Definition
Impact
Non-impact
Speciality printers |
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Term
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Definition
Dot-matrix
little hammer makes makes on printout |
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Term
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Definition
Inkjet- sprays ink
Laser
Multifunction |
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Term
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Definition
plotters- used for large print out?
thermal printers- melt ink |
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Term
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Definition
Less expensive device
more exp. per b&w print out
slower in ppm
full color printing! |
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Term
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Definition
more exp.device
less exp in long run
color lasers exp.
faster in ppm
less exp. in b&W |
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Term
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Definition
Drive bays- cds/dvds
power button
productivity ports- usb
memory card reader- digital camera
floppy disk |
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Term
| what device doubles as both input and output device |
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Definition
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Term
| what projects a computer image to a large screen |
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Definition
data projectors
used for large groups |
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Term
inputting sound
mircophone input |
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Definition
teleconferencing
voice over internet (voip)
voice recognition |
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Term
input for physically challenged
visually impaired |
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Definition
large keys on keyboard
on screen keyboard
voice recognition |
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Term
input for physically impaired
motor control |
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Definition
special trackballs
head mounted devices |
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Term
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Definition
| retrieve information from computer |
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Term
| name 2 types of output devices |
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Definition
hardcopy- print out
softcopy- visual only/ onscreen |
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Term
input devices
scanners
digital cameras |
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Definition
input text and images
input images and video |
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Term
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Definition
rollerball
trackball
optical
gamepad |
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Term
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Definition
less expensive
hard 2 clean |
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Term
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Definition
harder to control
stationary on desk |
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Term
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Definition
more expensive
no cleaning
no mouse pad |
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Term
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Definition
not mouse but is input device
has buttons and pointing devices |
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Term
| what is standard keyboard |
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Definition
QWERTY
top letters on the left |
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Term
| what makes a keyboard enhanced |
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Definition
numberpad
functions
navigational keys |
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Term
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Definition
pdas
laptops
wireless
ergonomical
gaming |
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Term
| Give examples of input devices |
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Definition
scanner
digital camera
mouse
keyboard
microphone |
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Term
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Definition
system unit
peripheral devices (anything that attaches to computer) |
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Term
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Definition
| box that contains central electronic components of the computer |
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Term
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Definition
cpu/ram
motherboard
expansion cards
power supply
storage devices |
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Term
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Definition
cpu chips
ram
expansion cards and slots |
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Term
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Definition
adds function
provides new connections for peripheral devices |
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Term
| common types of expansion cards |
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Definition
sound
modem
VGA (video)
NIC (network) |
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