computer discovery 1-3 no terms

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mouse keyboard

name two primary input devices:

true

most keyboards have similar structure so once you are familiar w/ one keyboard you can transfer those skills to other keyboards. true or false

computer

a comp keyboard incudesthe basic typing keypad with keys or buttons with letters or button with letter and numbers as well as several keys with cfharacters and special words to control ________ specific tasks

input commands respond to prompts type the text of documents

for what 3 reasons do you use these special key:
a
b
c

navigation

desktop and notebook comp keyboards include a __________ keypad which you can use to efficiently move the screen-based insertion point.

home end arrow keys

name the keys that most commonly appear in this navigation keypad area:
a
b
c

insertion point

what is another name for the cursor?

flashing vertical bar

the insertion point typically appears on the screen as a ________ ________ ___.

false

to operate a comp, a mouse is required. true or false

pointing

a mouse is a ________ device.

dots per inch

how is the sensitivity and accuracy of a laser mouse measured?

wire wirelessly

the mouse transmits the signals either using a ____ or _________

greater freedom of movement

a wireless mouse provides _______ _______ __ ________.

pointing sticks trackpads trackballs joysticks

list 4 other input devices that are typically used with notebook comps or gaming devices:
a
b
c
d

track point

what is another name for pointing stick?

trackpad

what is another name for touchpad?

touch screen

a _____ _______ is used as an input device on many tablet comps, PDSs, UMPCs, retail store self-checkouts, and info kiosks.

resisitive

touch screen tech is call _________ tech because it is not sysceptible to dust or water

stylus finger

how do you input using touch screen technology?
a
b

scanner

what input device us used for large amounts of text, pictures, articles, etc.?

microphone

a __________ is used as an input device that converts spoken or sound info to a digital format

speech-to-text

there are special application programs that can accept sound accept sound as input. What are these programs called?

graphics card display device

name the 2 key components of a comp display system:
a
b

CRT LCD plasma

display devices use one of three technologies. what are they?
a
b
c

CRT

which display device technology is the most bulky and is becoming outdated?

LCD

most comp monitors today us ___ tech.

display clarity low radiation emission portability compactness

list he 4 advantages of an LCD monitor:
a
b
c
d

flat panel

what is a more common name for LCDs?

LCD

which type of monitor is standard on notebook comps

plasma

which costs more LCD or plasma?

TV or computer

name 2 of the most comon uses of plasma screen technology

graphic card

what is the key to how fast a screen updates the info being displayed?

fast action games, 3D modeling, and graphics-intensive desktop publishing

name several applications for which speed is an important factor:

motherboard

where is the graphics card on a desktop comp located?

motherboard

where is the graphics card on a notebook comp located?

graphics card

what is the key to how images will be displayed inthe monitor?

resolution

the graphics card sends an image to the monitor at a specific ________.

picture element

what does pixel stand for?

supervid graphics array extended graphics array

what are two standard resolutions?

screen size dot pitch resolution color depth

what 4 factors determine image quality?
a
b
c
d

graphics

all of the above 4 factors are controlled by the ________ card.

screen size viewing angle width

what 2 factors should bbe considered in shopping for a monitor?
a
b

13 - 21 inches

what is the range for typical sizes of comp monitor screens?

dot pitch

___ _____ is the distance in millimeters between like-colored pixels, the small dots that form an image, and thus is used to measure images.

smaller

a ________ dot pitch results in a crisper image.

.26mm - .23 mm

what is the typical dot pitch range?

no

when shopping for a monitor, the specifications will include the dot pitch. can you customize this?

color bit

the numver of colors that a monitor and graphics card can display is referred to as _____ depth or ___ depth.

yes using the conrol panel

can the color settings for your monitor be customized? if so, how?

true color

resolution of 24-bit color depth is often referred to as ____ _____ and with this depth photographic-quality images can be displayed.

NTSC HDTV

to be able to use your comp monitor to watch TV, the display system must be equipped with _____ or ____ circuitry which allows it to accept television signals from an antenna or cable.

output hard

a computer printer is an ______ device that producces ____ copy comp-generated text or graphical images.

black ink and color

what two ink cartridges do ink-jet printers use?

small light weight inexpensive good color output

what are the advantages to ink-jet printers:
a
b
c
d

ink cost a lot

what is a disadvantage of ink-jet printers?

good for high-volume output good quality printouts produce more than ink-jet

what are the advantages of laser printers?
a
b
c

expensive

what is a disadvantage of laser printers?

no color

are black and white cartridges the same price for laser printers? Which cost more?

pro-quality images

what is an advantage of photo printers?

slow ink is expensive

what is a disadvantage of photo printers?
a
b

solid dot

at normal reading distance, a resolution of 900 dpi appears _______ to the human eye but when you get closer you can see the ___ pattern

2400-4800 dpi

what is the dpi for good quality printers?

2400 or higher

for magazine quality printouts, what should be the minimum dpi?

color printouts take longer
pages with text are quicker

what 2 factors should be considered when evaluating printer speed?

color

which takes longer to print- black and white or color

text

which prints faster? text or graphics

15-30 ppm

what is the rating for most printers used for personal or small business?

graphics

which takes more memory to print? text or graphics

64 mb and 120 mb

what is a typical amount of memory for a laser printer?

enviromentally friendly

what is the main advantage of duplex printers?

slow

what is a disadvantage of the duplex printer?

pages per month

a printer's duty cycle is usually measured in _____ ___ ______

shorter

a printer with a higher duty cycle will have a _______ life-span

3000 pages per month

what is the duty cycle for an average personal laser printer?

shorten the life of you printer

if you print beyond the specified duty cycle, what could happen?

USB port serial port paralell port network port

what are the for options for connectiong your printer to your comp?
a
b
c
d

you have to have a network

under what circumstances can you share one printer with other comps?

wired wireless

a netword printer connection can be ____ or _______.

can be placed in a location convenient or all netword users

what is the key advantage of a netword-ready printer?

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