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test 2 ch. 8
vocab.
46
Computer Science
Undergraduate 2
03/24/2008

Additional Computer Science Flashcards

 


 

Cards

Term
alphanumeric pagers
Definition
devices that display numbers and text messages on their screens.  like numeric pagers, these don't allow the user to send messages
Term
analog-to-digital converter chip
Definition
converts analog signals to digital signals
Term
base transceiver station
Definition
large communications tower with antennas, amplifiers, and receivers/transmitters
Term
benchmarking
Definition
process used to measure performance in which two devices or systems run the same task and the times and compared
Term
Bluetooth
Definition
technology that uses radio waves to transmit data over short distances
Term
cell phones
Definition
phones operating over a wireless network
Term
collaboration tools
Definition
products that allow you to connect easily with other individuals, often in remote locations, for the purposes of communication or working together on a project
Term
cradle
Definition
connects a personal digital assistant (PDA) to a computer using either a USB port or a serial port
Term
digital ink
Definition
an extension of the text-entry systems used on PDA devices
Term
digital pen
Definition
device for drawing images and entering text in a tablet PC
Term
digital signal processor
Definition
a specialized chip that processes digital information and transmits signals very quickly
Term
docking station
Definition
hardware for connecting a portable computing device to printers, scanners, full-size monitors, mice, and others
Term
ExpressCards
Definition
electronic cards that when plugged into notebook computers provide functionality such as wireless network connections, USB ports, or FireWire ports
Term
flash memory
Definition

portable, nonvolatile memory

Term
footprint
Definition
the amount of physical space on the desk a computer takes up
Term
Global Positioning System
Definition
a system of 21 satellites (plus 3 working spares), built and operated by the US Military, that constantly orbit the earth.  they provide info. to GPS-capable devices to pinpoint locations on the earth
Term
graffiti
Definition
one of the more popular notation systems for entering data into a personal digital assistant (PDA)
Term
hot-swappable bays
Definition
Bays that provide the ability to remove one drive and exchange it with another drive while the computer is running
Term
memory effect
Definition
the result of a notebook battery needing to be completely used up before i is recharged or it won't hold as much charge as it originally did
Term
microbrowser
Definition
software that makes it possible to access the Internet from a cell phone ofr PDA
Term
Microsoft Transcriber
Definition
notation software that doesn't require special strokes and can recognize both printed and cursive writing with fairly decent accuracy
Term
mobile computing devices
Definition
portable electronic tools such as cell phones, PDAs, and notebooks
Term
mobile switching center
Definition
a central location that receives cell phone requests for service from a base station
Term
Multimedia Message Service
Definition
 extension of Short Message Service (SMS) that enables messages that include text, sound, images, and video clips to be sent from a cell phone or PDA to other phones or email addresses
Term
numeric pagers
Definition
paging devices that display only numbers on their screens, telling the user that he or she has received a page and providing the number to call (don't allow the user to send a response)
Term
paging device (pager)
Definition
small wireless device that enables a user to reveive and sometimes send numeric (and sometimes text) messages on a small display screen
Term
Palm OS
Definition
one of the 2 main operating systems for PDAs
Term
peer-to-peer sharing (p2p)
Definition
process of users transferring files btween computers
Term
personal digital assistant (PDA)
Definition
a small device that enables a user to carry digital info.  often called palm computers or handhelds, they weigh less than 5 oz.
Term
pocket PC
Definition
one of the two main operating systems for PDAs made by Microsoft
Term
portable media player (PMP)
Definition
a small portable device (iPod) that enables you to carry your MP3 files around with you
Term
processor speed
Definition
number of operations (or cycles) the processor completes each second, measured in Hz
Term
sampling rate
Definition
number of times per second a signal is measured and converted to a digital value (kbps)
Term
Short Message Service (SMS)
Definition
technology enabling short text messages (up to 160 characters) to be sent over mobile networks
Term
smartphones
Definition
device that combines the functionality of a cell phone, a PMP, and a PDA into one unit
Term
stylus
Definition
device used to write or tap on touch-sensitive screens
Term
subnotebook computers
Definition
portable computers that are smaller and weigh less than normal notebook computers (usually feature smaller displays and keyboards)
Term
Symbian OS
Definition
a popular operating system for full-featured cell phones
Term
synchronizing
Definition
process of updating data so the files on different systems are the same
Term
tablet PC
Definition
a portable computer designed specifically to work with handwriting recognition technology
Term
two-way pagers
Definition
devices supporting both sending and receiving text messages
Term
web-enabled
Definition
capability of a device to access the internet
Term
Windows Mobile
Definition
operating system for smartphones
Term
Wireless Application Protocol (WAP)
Definition
standard that dictates how handheld devices will access info. on the internet
Term
wireless internet service provider
Definition
providers such as Verizon or T-Mobile that offer wireless access to the Internet
Term

wireless markup language (WML)

Definition
a format for writing content viewed on a cellular phone or PDA that is text-based and contains no graphics
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