Glossary of Computer and Internet Terms,and it uses.
There are millions of computer users out there, in computer there are some basic terms which computer users need to know for example.
Backup copy: A copy of a file or data set that is or kept for reference in case the original
file or data set is destroyed.
Computer System:
It’s the combination of hardware, software and humanware that are required to
interact with one another to computerize a task or an operation.
DBMS (Data base
Management System) is a computer program that creates, organises, and maintains
a database.
Digital divide:
is the gap between those who have access to and control of digital technology
and those who do not.
Database: is a
collection of interrelated data organised in a manner that allows access,
retrieval and use of data by one or more applications.
Key Field: is the
unique field trough which a record can be located in the database.
Network: is the
interconnected group of computers and other devices that share informationand
resources uch as printers, files, and database.
Network topology :
the shape or structure of a network, the main topologies are the bus,star and
ring.
Organogram:
organization chart depicting the hierarchy of operation
Program Flow Chart:
is the narrative description of the logical steps involved in solving a
problem.
Pseudocode:is the
narrative descriptive of the logical steps involved in solving a problem.
Search Engine:
Search engine is a program or an interactive tool that searches through large
volume of text or other data retrieve information, according to specific
instruction that it has been given.
Spreadsheet: is a
program that enables the computer user to enter and manipulate data
In rows and columns on the screen.
Token: is a
special signal in ring topology that permits a node (computer) to send a
message to any other node in the network. After the transmission of the message, it releases the token for another node to use.
Troubleshoot: To trace and correct faults.
Truth table: is a
table that shows the output obtained from a logic circuit or gate as a consequence of specific
inputs.
Help: it gives
further details on how to use a program or software pressing the F1 key opens
the help system for the program.
FAQ: Series of
question and answer relating to a particular or basic information for users
about websites, or items.
ICT: Information
and communication technology, it is the infrastructure and components that
enable modern computing.
Virus: Viruses
are software or programs, it cause damages to software and hardware.
Antivirus: Anti-virus is a type of
software detect and clean viruses.
Stealth Virus: is
a virus program written in a way so as to avoid detection by standard
anti-virus software
Wireless: It is the communication and transfer of
information or power between two or more points.
LAN:Local Area
Network this refer to a number of computers connected together in a single location.
WAN: This refers
to a network that is spread over wide areas like across cities, state or
countries. WAN makes use of telephone lines, satellite to connect computers
together.
WLAN: its a
wireless computer network that links two or more devices using a wireless
distribution within a limited area such
as home school, computer laboratory and office.
Cookie: a packet
of information that travels between a browser and the web server.
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