QUESTIONS & ANSWERS(RATED A+)
information technology - ANSWERany technology that helps produce, manipulate,
store, communicate information
affects all aspects of our lives
two types: computer and communication
multimedia - ANSWERtechnology that presents information is more than one
medium such as text, pictures, video, sound and animation in a single animation
application software - ANSWERsoftware that has been developed to solve a
particular problem fro users-to perform useful work on specific tasks or to provide
entertainment
system software - ANSWERruns at the most basic level of your computer and
enables the application software to interact with the computer and helps the
computer to manage its internal and external resources, as wells as manage the
hardware
communications technology - ANSWERtelecommunication technology
consists of electromagnetic devices and systems for communicating over any
distance
Ex: telephone, radio, satellite
online- using a computer or some other information device, connected through a
network, to access information and services from another computer or information
device
network- a communications system connecting two or more computers; the internet
is the largest network
distance learning - ANSWERonline education programs
internet - ANSWERworldwide computer network that connects hundreds of
thousands of smaller networks
cyberspace - ANSWERonline world and the internet in particular but also the whole
wired and wireless world of communications in general
where you go when you go online with our computer
World Wide Web - ANSWERoften called simply the web, and interconnected system
of internet computers (servers) that support specially formatted documents in
multimedia form
tech smart - ANSWERknowing what information technology can do and what it can't
knowing how it can benefit you and how it can harm you and knowing when you can
solve computer problems and when you have to call for help
, work stations - ANSWER3-d graphics
purpose of computer - ANSWERturning date into info
software - ANSWERinstructions that tell a computer how to perform a task
5 basic computer sizes - ANSWER1. supercomputers- high capacity machines with
thousands of processors that can perform more than several quadrillion calculations
per second. these are the most expensive and fastest computers available- business
purposes, marketing info
2. mainframe- water or aircooled computers that cost 5000-5 million and vary in size
from small to meduim to large, large organizations- banks, airlines, insurance
companies, and colleges to process tons of transactions
3. workstations- expensive, powerful, personal computers usually used for complex
scientific, mathematical, and engineering calculations. movie graphics, 3-d,
prescription drugs
4. Microcomputers- pcs, can fit next to a desk or on a desktop or carried around.
5. microcontrollers- embedded computers, tiny, specialized microprocessors
installed in smart appliances and automobiles - in appliances like microwaves
how computers work - ANSWER1. data into information
data- consists of raw facts and figures
info- data that has been summarized or otherwise transformed for use in decision
making
2. difference between software and hardware
hardware- consists of all machinery and equipment in a computer system
software- consists of all the electronic instructions that tell the computer how to
perform a task
3. basic operations of a computer
input- whatever is put into a computer
processing- manipulation for data into info
storage
output- whatever is output from the computer system
connectivity - ANSWERrefers to the connection of computers to one another by a
communications line in order to provide online information access and or the sharing
of peripheral devices ex: online shopping and email
interactivity - ANSWERtwo way communication, the user can respond to information
he or she receives and modify what a computer is doing
operating system - ANSWERconsists of low level, master system of programs that
manage the basic operations of the computer
What it does:
booting
cpu management
file management
task management
security management