Download Input device-computer hardware equipment used to provide data

Input device-computer hardware equipment used to provide data and control signals to an information
processing system
Output device-piece of computer that communicates the results of data processing
storage- memmory or retrievealbe data on any electronic system
motherboard- a circuit board that contains the principal components of a computer or other
device, with connectors into which other circuit boards can be slotted
hard disk drive-a mechanism that controls the positioning, reading, and writing of the HDD which
holds most of the data storage
RAM-the place in a computer where the operating system, application programs, and data in
current use are kept, so that they can be quickly reached by the computer's processor.
peripheral- any device thats not part of the computer
bus- a set of conductors carrying data and control signals within a computer system
expansions cards- a circuit board that can be inserted in a computer to give extra facilities or
memory
power supply unit-component that supplies power to the computer
optical disk drive- a disk drive that uses laser light or electromagnetic waves for reading or
writing data to or from optical discs.
Central processing unit-part of a computer in which operations are controlled and executed
software-programs and other operating information used by the computer
opering system- the software that supports a computer's basic functions
driver-a program that controls the operation of a device
program-series of coded software instructions to control the operation of a computer or other
machine.
bootstrapping- starting an enterprise, with minimal resources.
BIOS-set of computer instructions in firmware that control input and output operations
command line-space to the right of the command prompt on a computer monitor in which a
user enters commands and data
algorithm-a process or set of rules to be followed in calculations or other problemsolving operations, using a computer or other electronic device
analog-using signals or information represented by a continuously variable physical
quantity.
app-self-contained program or piece of software designed to fulfill a particular purpose; an
application
application-a program or piece of software designed and written to fulfill a particular
purpose of the user. or users
array-set of related elements
backup- the procedure or process for making extra copies of data in case the original is lost or
damaged.
bandwidth-the range of frequencies within a given band, in particular that used for
transmitting a signal.
binary-composed of, or involving two or more things
bit-small piece, part, or quantity of something
bitmap-type of memory organization or image file format used to store digital images
byte-group of binary digits or bits operating together as one unit
blog-a regularly updated website or web page, typically ran by an individual or small
group, written in a informal style.
blogger-Web site that contains online personal reflections, comments, and often hyperlinks
provided by the writer
bookmark-a record of the address of a website, file, or other data made to enable quick
access in future.
cache-a collection of items of the same type stored in a hidden or inaccessible place
caps lock-keyboard key that toggles upper case on and off.
captcha- category of technologies that is used to distinguish between human and
computers
client-desktop computer or workstation that is capable of obtaining information and applications
from a server.
clip art-simple pictures and symbols made available for computer users
clip board-temporary storage area where material cut or copied from a file is kept for pasting
into another file.
cloud-a network of remote servers hosted on the Internet and used to store, manage,
and process data in place of local servers or personal computers.
computing- use and operation of computers
command-instruction or signal that causes a computer to perform one of its basic functions.
compile-convert (a program) into a machine-code or lower-level form in which the program can
be executed.
compress-alter the form of (data) to reduce the amount of storage necessary
computer-electronic device for storing and processing data
computer program-sequence of instructions, written to perform a specified task on a computer
configure-arrange or order (a computer system or an element of it) to fit it for a
designated task.
cookie-packet of data sent by an Internet server to a browser, which is returned by the browser
each time it subsequently accesses the same server, used to identify the user or track their
access to the server.
copy-reproduce stored data in another location.
data-quantities, characters, or symbols on which operations are performed by a computer, being
stored and transmitted in the form of electrical signals and recorded on magnetic, optical, or
mechanical recording media.
database-a structured set of data held in a computer
data mining-practice of examining large databases in order to generate new information
debug-identify and remove errors from (computer hardware or software).
decompress-expand compressed data to its normal size so that it can be read and
processed by a computer
delete-. a command or key on a computer that erases text
desktop- a piece of equipment such as a computer that is suitable for use at an ordinary
desk.
development-a new and refined product or idea
digital-electronic technology that generates stores and processes data in terms of two states
positive and nonpositive
disk-information storage device for a computer in the shape of a round flat plate that can be
rotated to give access to all parts of the surface
DNS-the way that Internet domain names are located and translated into Internet Protocol
addresses
document-piece of written, printed, or electronic matter that provides information or evidence or
that serves as an official proof
emoticon-representation of a facial expression ,formed by various combinations of keyboard
characters
encrypt-convert information or data into a cipher or code
encryption-most effective way to achieve data security
Exabyte-a unit of information equal to one billion gigabytes.
file-collection of data, programs, etc., stored in a computer's memory or on a storage device
under a single identifying name
finder-interface on a computer that allows users to
move, copy, delete, and open files,
navigate through folders, and move windows around the desktop.
firewall-part of a computer system or network that is designed to block unauthorized access
while permitting outward communication
firmware-permanent software programmed into a read-only mem
flaming-direct a vitriolic or abusive message at someone by posting on the Internet or
sending an email
flash-a platform for producing and displaying animation and video in web browsers
flash drive-small electronic device containing flash memory that is used for storing data or
transferring data
floppy disk-a flexible removable magnetic disk used for storing data
flowchart-a graphical representation of a computer program in relation to its sequence of
functions as distinct from the data it processes
folder-an icon on a computer screen that can be used to access a directory containing
related files or documents
font-a set of type of one particular face and size
format-a defined structure for the processing, storage, or display of data.
gigabyte- unit of storage
hack-process of using a computer to gain unauthorized access to data in a system.
hacker-a person who uses computers to gain unauthorized access to data.
hardware-the machines, wiring, and other physical components of a computer or other
electronic system.
html-standardized system for tagging text files to achieve font, color, graphic, and hyperlink
effects on World Wide Web pages
hyperlink-a link from a hypertext file or document to another location or file, typically
activated by clicking on a highlighted word or image on the screen.
hypertext-a software system that links topics on the screen to related information and
graphics, which are typically accessed by a point-and-click method.
integer-whole number
interface-a device or program enabling a user to communicate with a computer.
internet-global communication network that allows almost all computers worldwide to connect
and exchange information
IP address-unique string of numbers separated by periods that identifies each computer using
the Internet Protocol to communicate over a network
iteration-a new version of a piece of computer hardware or software.
java-a general-purpose computer programming language designed to produce
programs that will run on any computer system.
kernel-the most basic level or core of an operating system of a computer, responsible
for resource allocation, file management, and security.
logic-a system or set of principles underlying the arrangements of elements in a
computer or electronic device so as to perform a specified task.
mirror-a site on a network that stores some or all of the contents from another site.
modem-a combined device for modulation and demodulation, for example, between the
digital data of a computer and the analog signal of a telephone line.
monitor-an instrument or device used for observing, checking, or keeping a continuous
record of a process or quantity.
motherboard-a printed circuit board containing the principal components of a computer
or other device, with connectors into which other circuit boards can be slotted.
mouse-a small handheld device that is dragged across a flat surface to move the cursor
on a computer screen
multimedia-using more than one medium of expression or communication.
open source-denoting software for which the original source code is made freely
available and may be redistributed and modified.
operating system-the software that supports a computer's basic functions
path-a definition of the order in which an operating system or program searches for a
file or executable program.
phising-the activity of defrauding an online account holder of financial information by
posing as a legitimate company.
piracy-the unauthorized use or reproduction of another's work.
pirate-a person who appropriates or reproduces the work of another for profit without
permission, usually in contravention of patent or copyright.
platform-a standard for the hardware of a computer system, determining what kinds of
software it can run.
plug in-a plug-in module or plug-in software.
podcast-a digital audio file made available on the Internet for downloading to a
computer or portable media player, typically available as a series, new installments of
which can be received by subscribers automatically.
pop-up-notification of a menu or other utility able to be superimposed on the screen
being worked on and suppressed rapidly.
portal-an Internet site providing access or links to other sites.
process-a series of interdependent operations carried out by computer.
protocol-a set of rules governing the exchange or transmission of data between devices.
queue-a list of data items, commands, stored so as to be retrievable in a definite order,
usually the order of insertion.
QWERTY-denoting the standard layout on English-language typewriters and keyboards,
having q, w, e, r, t, and y as the first keys from the left on the top row of letters.
reboot-an act or instance of booting up a computer system again.
resolution-the number of pixels contained on a display monitor
restore-action that allows a computer to return something to a former condition, place,
or position
ROM-Computer hardware that stores programs or data that cannot be added to, modified, or
deleted
root-a user account with full and unrestricted access to a system.
router-a device that forwards data packets to the appropriate parts of a computer
network.
runtime-the length of time a program takes to run.
shell-a user interface for access to an operating system's service
spam-irrelevant or inappropriate messages sent on the Internet to a large number of
recipients.
spammer-individual who spams irrelevant messages through the internet
spreadsheet-an electronic document in which data is arranged in the rows and columns
of a grid and can be manipulated and used in calculations.
status bar- a horizontal bar, typically at the bottom of the screen or window, showing
information about a document being edited or a program running.
storage-the retention of retrievable data on a computer or other electronic system;
memory.
spyware-software that enables a user to obtain covert information about another's
computer activities by transmitting data covertly from their hard drive.
supercomputer-a particularly powerful mainframe computer.
surf-move from site to site on (the Internet).
syntax-is the set of rules that defines the combinations of symbols that are considered to be a
correctly structured document or fragment in that language
terabyte-unit of storage much larger than a gigabyte
terminal-a device at which a user enters data or commands for a computer system and
that displays the received output.
text editor-a system or program that allows a user to edit text.
thread-a group of linked messages posted on an Internet forum that share a common
subject or theme.
Trojan horse-a program designed to breach the security of a computer system while
ostensibly performing some innocuous function.
typeface-a particular design of type.
Unix- widely used multiuser operating system.
upload-transfer (data) from one computer to another
user interface-the means by which the user and a computer system interact, in
particular the use of input devices and software.
username-an identification used by a person with access to a computer, network, or
online service.
utility-program
virtual memory-memory that appears to exist as main storage although most of it is
supported by data held in secondary storage
virus-a piece of code that is capable of copying itself and typically has a detrimental
effect, such as corrupting the system or destroying data.
wiki-a website that allows collaborative editing of its content and structure by its users.
word processor-a program or machine for storing, manipulating, and formatting text
entered from a keyboard and providing a printout.
workstation-a desktop computer terminal, typically networked and more powerful than a
personal computer.
worm-a self-replicating program able to propagate itself across a network which usually
has a a detrimental effect.
WWW-world wide web
XML-a markup language that defines a set of rules for encoding documents in a format which is
both human-readable and machine-readable
zip-process of compressing a file so less space is taken on the storage device
boot-process of starting a computer and put it into a state of readiness for operation.
broadband-a high-capacity transmission technique using a wide range of frequencies,
which enables a large number of messages to be communicated simultaneously.
browser-a program with a graphical user interface for displaying HTML files, used to
navigate the World Wide Web.
buffer-a temporary memory area in which data is stored while it is being processed or
transferred, especially one used while streaming video or downloading audio.
bug-an error in a computer program or system.
domain-a distinct subset of the Internet with addresses sharing a common suffix or
under the control of a particular organization or individual.
domain name-the part of a network address that identifies it as belonging to a particular
domain.
download-copy data from one computer system to another, typically over the Internet.
drag-to move an icon or other image across a computer screen using a tool such as a
mouse.
email-messages distributed by electronic means from one computer user to one or
more recipients via a network.
enter-a key on a computer keyboard that is used to perform various functions, such as
executing a command or selecting options on a menu.
lurking-read the postings on an Internet message board or in a chat room without
making any contribution oneself.
mainframe-the central processing unit and primary memory of a computer.
macro-a single instruction that expands automatically into a set of instructions to
perform a particular task.
malware--software that is intended to damage or disable computers and computer
systems.
memory- part of a computer in which data or program instructions can be stored for
retrieval.
script-an automated series of instructions carried out in a specific order.
search engine-a program that searches for and identifies items in a database that
correspond to keywords or characters specified by the user
security-security applied to computers, computer networks, and the data stored and transmitted
over them.
server-a computer or computer program that manages access to a centralized resource
or service in a network.
shareware-software that is available free of charge and often distributed informally for
evaluation, however after which a fee may be requested for continued use.