The knowledge and understanding of basic computer fundamentals
inexpensive personal computer
a programmable electronic device that accepts data input, performs processing operations on that data and outputs and stores results
the physical part of a computer system such as the keyboard, monitor, printer etc
the largest and most well known computer network linking millions of computers all over the world
a very small notebook computer
performing operations on data that has been input into a computer to convert input to output
the instructions, also called computer programs, that are used to tell a computer what it should do
the operation of saving data, programs or output for future use
the fastest most expensive and most powerful computer
Uniform Resource Locator
An internet address, usually beginning with //, that uniquely identifies a web page
A collection of related web pages usually belonging to an organization or individual
allows the use of computers in virtually any location and both online and offline content to be sent wirelessly from one device to another.
internet connections that allow people to connect to the www
allows only authorized individuals to enter office building, or access to the company network via access card or finger or hand scan
consumers access small self service computer based stations that provide information or other services to the public including those used for ATM transactions, bridal registries, ticketing systems
mini computers that allow consumers to pay for their goods without a sales clerk
the process of entering data into a computer, can also refer to the data itself
the process of presenting the results of processing, can also refer to the results themselves.
the transmission of data from one device to another
Data that has been processed into a meaningful form
the information processing cycle
The progression of input, processing, output and storage
Examples of early computers
Before 1946
slide rule, punch card tabulating machines
First Generation Computers
1946-1957
enormous computers utilizing vacuum tubes
Could only solve one problem at a time
egs ENIAC and UNIVAC
Second Generation computers
1958-1963
used transistors (small devices made of semiconductor material that acts like a switch to open or close electronic circuits.
Programming languages were Fortran and cobol
Third Generation computers
1964 to
1970
transistor replaced by integrated circuits which incorporate many transistors and electronic circuits on a single tiny silicon chip
Fourth Generation computers
1971 to present
increase in amt of transistors on a single chip...leading to invention of microprocessor
IBM PC and Apple
Macintosh computers
small device made of semiconductor material that acts like a switch to open or close electronic circuits
egs keyboard, mouse, microphone, digital pens, digital camera, touch pad and touch screens
CPU or central processing device
Central processing device
considered the brain of the computer
it performs the calculations and comparisons needed for processing and controls the computers operations.
accepts processed data from the computer and presents the results to the user
egs are monitors, printer, speaker, headphones data projectors
CD DVD drives, flash memory card readers are used to access data from storage media
hard drives and usb flaw drives includes both a storage device and storage medium in a single piece
of hardware.
Used to save data, program settings,, or output for future use; they can be installed to a computer, attached tot he computer as an external drive or accessed remotely thru a network or wireless connection.
allow users to communicate electronically with others
hardware include modems, network adapters and routers
used to connect a computer to the internet
connects an computer to a computer network
used to create a small network so a variety of devices can share and internet connection and data
the programs that allow a computer to operate i.e. the instructions that are used to tell a computer what it should do
the main component of the system software that enables a computer to operate, manage its activities and resources under its control, run application programs and interface with the user.
the background work area displaced on the screen for computers running Microsoft Windows
programs that enable users to perform specific tasks on a computer such as writing letters or playing games
Hypertext Markup Language
computer language used for developing webpages
scripting languages are used to create interactive web pages
are computer professionals who write the programs for computer use.
computer users or end users
are the people who used computers to perform tasks or obtain information
are people who design computer systems to be used within their companies
Computer operations personel
are people who are responsible for day to day computer operations at a company such as maintaining systems or troubleshooting user related problems.
are people responsible for securing the company computers and networks against hackers and other intruders
tiny commuters embedded into products to perform specific functions or tasks for that product
mobile phones, small tablets,and other small personal devices that contain built in computing or internet capabilities
fully functioning portable or desktop computers that are designed to be used by a single individual at a time
computers that host data and programs available to a small group of users
powerful computers used to host a large amount of data and programs available to a wide group of users (used in hospitals, large businesses etc
extremely powerful computers used for complex computations and processing
a small personal computer such as a notebook, tablet or netbook that is designed to be carried around easily
fully functioning portable computer that opens to reveal a screen and keyboard aka a laptop computer
typically notebook sized computers that are designed to be used with digital pens or touch input.
a personal computer designed to access a network for processing and data storage instead of performing those tasks locally (aka network computer)
a specialized network computer designed primarily for internet access and or email exchange
creating virtual rather than actual versions of a computing resource such as several separate environments that a located on a single server but act like different servers
Internet Service Provider
a company that provides internet access, usually for a fee
a group of numerous smaller computers connected together to act as a single supercomputer
a collection of computers and other hardware devices that are connected together to share hardware, software and data as well as to communicate electronically with one another.
world wide web
the collection of webpages available through the internet
a document
typically containing hyperlinks to other documents located on a web server and available through the world wide web.
a numeric internet address used to uniquely identify a computer on the internet
a text based internet address used to uniquely identify a computer on the internet
a name that uniquely identifies a user on a specific computer network
and internet address consisting of a username and computer domain name that uniquely identifies a person on the internet
graphics or text linked to other web pages
multimedia message service