Introduction to computers ch.1

knowing about the understanding computers and their uses-is
essential skill today for everyone.

programmable, electronic device that accepts
data, performs operations on that data, presents the result , and stores the
data or results as needed.

entering data into a computer

performing operations on the data.

Presenting the results

saving data, programs, or output for future use.

the transmission of data from one device to
another.

raw, unorganized facts

data that has been processed into a meaningful
form.

the physical parts of a computer system, such as
the keyboard, printer, and so forth.

the instructions, also called computer programs,
that are used to tell a computer what it should do.

a type of system software that enables a computer
to operate and manage its resources and activities

to start
up a computer

the background work area displayed on the screen in Microsoft
windows.

Programs that enable users to perform specific
tasks on a computer, such as writing letters or playing games.

a tiny computer embedded in a product and sesigned to perfor specific tasks or functions for that product.

a very small communications device that has built-in computing or internet capability

a mobile device based on a mobile phone

a type of computer based on a microprocessor and designed to be used by one person at a time; also called a microcomputer

a personal computer designed to fit on or next to a desk

a small personal computer, such as a notebook, tablet, netbook, or ultra-mobile PC (UMPC), designed to be carried around easily.

A fully functioning portable computer that opens to reveal a screen and keyboard; aka labtop

a portable computer about the size of a notebook that is designed to be used with an electronic pen

a very small notebook computer

a portable personal computer that is small enough to fit in one hand; aka handheld computer

a personal computer device designed to access a network for precessing and data storage, instead of performing those tasks locally; aka network computer

a specialized network computer designed primarily for internet access and/or e-mail exchange

a medium-sized computer used to host programs and data for a small network

Creating virtual (rather than actual) versions of a computing resource, such as several separate environments that are located on a single server but act like different servers

a computer used in large organizations (such as hospitals, larg businesses, and colleges) that need to manage large amounts of centralized data nad run multiple programs simultaneously.

the fastest, most expensive, and most powerful type of computer.

a supercomputer comprised of numerous smaller computers connected together to act as a sinlge computer.

a collection of computers and other hardware devices that are cennected togethor to share hardware, software, and data, as well as to communicate electronically with one another.

the largest and most well-known computer network, linking millions of computers all over the world

a business or other organization that provides internet access to other, typically

the ceollection of Web pages 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 collection of ralated bew pages usually belonging to an organization or individual

a computer that is continually connected to the internet and hosts bew pages that are accessible through the Internet.

a program used to view web pages

an address that identifies a computer, person, or Web page on the Internet, such as and IP address, domain name, or e-mail address

a numeric Internet address used to uniquely identify and copmuter on the Internet

a text-based internet address used to uniquely identify a computer on the internet

an internet address (usually beginning with http://) that uniquely identifies a Web page

Electronic messsages sent from one user to another over the Internet or other network

Look at pics on pages 15, 17, 33, 34