network A
group of computers hooked together to share information.
Network Interface Card NIC
An adapter that connects a PC to a network.
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operating system OS A collection of
programs for operating a computer.
output Sending
information out of a computer such as to the printer.
overwrite To erase old data by writing over the old data .
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peer-to-peer A type of network where each computer is equal and shares
it’s information with the other computers.
Pentium An
Intel microprocessor.
peripheral Any piece of computer equipment that is attached
outside the computer. Such as disk
drives, printers, scanners, etc.
platter A
disk in a hard drive.
Plug and Play PnP Hardware and
software that allows the computer system to detect new hardware being added.
power supply Hardware that allows the computer to connect to an
electrical outlet.
proprietary Anything invented by one company and is only available
from that company.
protocol Rules.
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RAM Random-acess
memory. All memory accessible.
real-time The actual time in which a program or event takes
place.
reboot The
process of restarting a computer and reloading the operating system.
ribbon cable Flat cable with wires located inside the computer.
RJ-11 Standard
wire connector for telephones.
RJ-45 Standard
wire connector for networks.
root directory The main directory of any hard or floppy disk.
router Hardware
that routes messages from one local area network to another.
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security software Software that uses a system of passwords to
protect and restrict access to files.
subdirectory A directory inside of a directory.
surge protector A device that protects the computer from sudden surges of
power.
system crash When the computer freezes and stops working.
system files Files needed by the operating system to make the computer
run.
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TCP/IP Rules
that make computers communicate with each other over a network.
terabyte TB A unit of
information storage equal to 1,099,511,627,776 bytes.
Token Ring A type of network where information is passed in a ring
using a token.
toner Ink,
which is actually a powder, used in laser printers.
tower A
computer that sits on the floor.
track Cone
of many circles that holds data on a disk.
troubleshooting The task of determining the cause of a computer or network
problem.
twisted pair A type of wire where insulated copper wires are twisted
around each other.
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virus A
software program that damages program, files, and may damage hardware.
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wide area network
WAN A network that extends beyond
a single building.
World Wide Web WWW Allows you to access
the Internet.
write protect Preventing a removable disk from being overwritten.
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