computer terminology
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Satellite Service can be used where? | where there is no phone or cellular
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| Satellite services needs what 2 things to work? | satellite and modem
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| WLAN | wireless local area network
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| WLAN connects to __ first before connecting to the Internet | NIC or LAN
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| WLAN needs what to work | a wireless access point
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| Hot spots | unencrypted areas
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| OS use what to coordinate activites. | interrupt requests
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| File software that controls hardware | drive
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| memory address | location of slot on chip on RAM like a PO Box #
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| ROM | non-volatile, basic input/output, start up instructions
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| RAM | volatile, has memory addresses, quick and temp hold data, uses while comp's on
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| flash memory | uses physical on/off switches
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| WWAN | wireless wide area network
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| WWAN uses what? | radio, cellular sites satellites, antenna
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| WWAN can use what? | ISP
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| PC connects to internet using what? | ISP/ cable co
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| Network interface card | makes a port, controls data flow
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| Gateways are needed for what? | connection of 2 diff networks
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| Digital connections require what | modem
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| 3 types of digital connections | DSL, wireless, cable
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| Analog connection = ? and uses? | dial up, # from ISP
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| user interface | set of items on screen
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| 2 types of user interface | graphical, command line
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| system call provides what? | access to OS service
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| OLE | object linking and embedding, data copy has same format as orig
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| OS jobs (4) | provides user interface, runs prog, manages hardware devices, manages data storage and access
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| How does OS manage hardware device | by being the intermediate device
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| OS services (5) | saving a file, opening files, sending doc to printer, allocating and managing RAM, recognizing input
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| 4 ways to make disk run faster | clean up temp files, scan 4 errors, defrag, file compression
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| file compression uses what kind of file | archive
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| fragmentation | noncontinous sectors that slows performance
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| defragmentation | putting files on cont. sectors
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| cd rom | read only
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| cd-r | can write 1x
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| cd-rw | rewrittable but not for all players
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| dvd-ram | rewritable
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| zip drives are what type of disk | high capacity
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| tape drives are what kind of device | sequential access device
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| IMG SRC "....gif" | img=start name, src=attribute name, ""=att tag
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| spooling | mult users send jobs to printer
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| prog for mult users | site license, network versions
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| site license | purchased to install prog on certain #
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| types of biz level e-commerce | intranet, extranet, telecommunications
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| cookie | sm file of ur info
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| modulation | digital to analog comm. then to phone
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| demodulation | analog to digital
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| spoof | false email return address
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| key loggers | record ind. keystokes
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| browser hijackers | diff default homepage
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| bus types | system, expansion
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| system bus | connects CPU to motherboard items
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| bus | group of parallel wires that run by components
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| bandwidth | amt of data that the network media can carry
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| wireless types | WWAN, LWAN, satellite service
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| parts of an element | start tag, text, end tag
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| html | hypertext markup lang
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| 2 html structures | element, attribute
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| element | describes parts of an html doc
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| attribute | defines prop of elements
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| common networks -3 | WAN, LAN, HAN
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| network structures -3 | server, client/server, peer 2 peer
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| formatting | makes tracks and sectors on both sides
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| 3 storing data technologies | optical, solid, magnetic
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| solid storing data tech | memory chips with no moving parts
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| types of solid storing data tech and if its non-volatile or volatile | flash mem(non), smartcards (non), solid state( vol).
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| optical storing tech uses what to represent 1's? 0's? | pits and lands
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| how do pits work | they scatter light so it never reaches the sensor thus 0
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| how do lands work | the light reflects to sensor
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| whats the most common file system | FAT
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| cluster | size of data that OS sees as 1 unit
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| boot sector file system | prog runs when comp 1st starts up
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| file allocation table file system | logs files
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| root folder file system | directory (A or C)/ topmost folder
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| data area file system | data stored here
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| virtual memory | space on hard drive to back up RAM
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rinni00
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