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28 terms

4 FELE Technology

STUDY
PLAY
Basic tech
- word processing, spreadsheet, database management, presentation
Memory
- storage
- keeps instructions and data
ROM
- Read only memory
- cannot be altered
RAM
- Random access memory
- more is better
- can write over
LAN
- Local area network
- shared use
- most based on switched ethernet -- adding capacity
- network sharing resources
servers
computers that offer resources (hub)
Typical use of LAN
- file sharing
- printer sharing
- internet/intranet access
- project collaboration
- backup
Input devices
- access data in form computer can use
- sends data to processing unit to be processed
- keyboard and mouse are most common
- others: scanners, barcode, touch screen, voice, probes, NIC, sound card, modem
NIC
- Network Interface Controller
- connects computer to network
Output devices
printers, monitors, disc, speakers, NIC
word processor
(word) entering and revising text, adding graphics
spreadsheets
(excel) numbers, track trends
database management
(access) non-numerical
database
can be as rudimentary as an index card or rolodex, spreadsheets used for budgets
presentation graphics
power point
software management
- supplement instruction not supplant
- track projects
- support project management
Operation system software
connects applications to hardware
single user
1 person on 1 device, can backup
lab pack
specific location or on specific computers
site license
can be used anywhere at a location
public domain
any can access (ex. adobe acrobat reader)
shareware
winzip, free for a set number of uses
Computer labs need
lighting, a/c, chalk/dry erase, carpet, power, networking, phones, furniture, security
technology safeguards
physical, electronic
best safeguard
use prevention and locked door
measures - bytes
- common unit of computer storage
- 8 binary digits (bits) = 1 byte
- smallest addressable group of bits accessible by computer
- a byte holds the equivalent of a single character
ASCII
- allows computers to talk to each other
- 128 characters, 33 non printing controls that effect text and space
- used to control printers
-allows the import and export of data
tab delimited
ASCII, way info separated