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45 terms

misy160 practice ch6/7/8

STUDY
PLAY
HDTV
most advanced form of digital TV
SXGA
video standard has a typical resolution of 1280 x 1024
color depth
graphic processing unit's ___ is # of bits used to store info about each pixel
plasma monitor
display that uses gas plasma technology, which sandwiches a layer of gas between two glass plates
basic thermal printers
inexpensive over time, but the print quality is low and the images tend to fade
toner
printers creates images using a laser beam and powdered ink called ___
postage printer
special type of label printer that may have a built-in digital scale and prints postage stamps
20
21-inch monitor like the one in the accompanying figure may have a viewable size of ____ inches
DTV
what users are turning to for crisper, higher-quality output than they can achieve with analog television
pixel
single point in an electronic image
laser printer
a high-speed, high-quality nonimpact printer
Braille printer
alternative for blind users, outputs info in braille on paper
flat-panel display
lightweight display device with a shallow depth, such as an LCD monitor or plasma monitor, that does not use CRT technology
subwoofer
users can add it to boost the low bass sounds
most likely to use 30 inch monitor
power user
what uses internal miniature hard disks
media players, digital cams, smart phones
NOT laptops
microfiche
small sheet of film, usually about 4 inches by 6 inches, that stores microscopic images of documents
1-320BG
range of minitature hard disks storage capacities
single session disc
standard CD-ROM bc manufacturers write all items on disc at one time
storage
holds data, instructions, and information for future use
48X-75X
range of Current CD-ROM drives transfer rates
form
On desktop computers, platters have a(n) ____ factor, or size, of approximately 3.5 inches in diameter
disk controller
consists of a special-purpose chip and electronic circuits that control the transfer of data, instructions, and information from a disk to and from the system bus and other components in the computer.
capacity
number of bytes (characters) a storage medium can hold
current SSDs
have storage capacities of 16 GB to 256 GB and more
disk cache
Some computers improve hard disk access time by using a ____, which consists of memory chips that store frequently accessed items
kodak picture CD
type of CD-ROM that stores digital versions of a single roll of film using a jpg file format
DVD-ROM
type of optical disc that users can read from but not write to or erase.
3-12 mins
range for the access time of todays hard disks
reasons users subsrcibe to cloud storage service
save time by storing large files instantaneously, allow others to access files, store offsite back ups of data
screen saver
causes a monitor's screen to display a moving image or blank screen if no keyboard or mouse activity occurs for a specified period of time.
page
With virtual memory, which is illustrated in the accompanying figure, a ____ is the amount of data and program instructions that can swap at a given time.
kernal
core of an operating system that maintains the computer's clock, starts applications, and assigns the computer's resources, such as devices, programs, data, and information
stand-alone operating system
complete operating system that works on a desktop computer, notebook computer, or mobile computing device
windows phone 7
operating system that includes functionality, applications, and a user interface designed for specific types of smart phones.
CMOS chip
During a cold boot on a personal computer, the POST (power-on self test) results are compared with data in a ___
recovery disk
usually a CD that contains a few system files that will start the computer that computer can be booted from is hard disk is damaged
image viewer
utility that allows users to display, copy, and print the contents of a graphics file
queue
multiple documents line up in a(n) ____ in the buffer.
operating systems and utility programs
2 types of system software
UNIX
multitasking operating system developed in the early 1970s by scientists at Bell Laboratories
swap file
area of hard disk used for virtual memory bc it exchanges data, information, and instructions between memory and storage
restore program
reverses process and returns backed up files to original form in the event a backup file is used
hacker
someone who tries to access a computer or network illegally
fault-tolerant comp
a computer that continues to operate when one of its components fails, ensuring that no data is lost