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72 Cards in this Set
- Front
- Back
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Username
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A name that uniquely identifies a user on a specific computer network.
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Coding systems
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Used to represent data and programs in a manner that can be understood by the computer.
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Personal Computer (PC)
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Fully-functioning portable or desktop computers that are designed to be used by a single individual at a time.
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Midrange Servers
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Computers that host data and programs available to a small group of users.
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Boot
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To start up a computer.
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Application Software
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Programs that enable users to perform specific tasks on a computer, such as writing letters and playing games.
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CPU (Central Processing Unit)
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Located inside the system unit that performs the calculations and comparisons needed for processing; it also controls the computers operations.
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Operating system
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A type of system software that enables a computer to operate and manage its resources and activities.
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Information
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Data that has been processed into a meaningful form.
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Information processing
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The conversion of data into information.
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Hardware
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The physical parts of a computer system, such as the keyboard, monitor, printer, and so forth.
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Software
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The instructions or programs used with the computer.
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Communications
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The transmissions of data from one device to another.
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Data
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Raw, unorganized facts.
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Programmable
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A computer will do whatever the instructions - called the program - tells it to do.
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Four Primary operations of a Computer
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1) Input - The process of entering data into a computer.
2) Processing - Performing operations on data that has been input into a computer to convert that input to output. 3) Output - The process of presenting the results of processing. 4) Storage - The operation of saving data, programs, or output for future use. |
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Consumer Kiosks
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Small self-service computer based stations that provide information or other services to the public, including those used for ATMs, etc.
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Computer
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A programmable, electronic device that accepts data, presents the results, and stores the data or results as needed.
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Home computers
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Can often be used as a telephone, television, and stereo system in addition to their regular computing functions.
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Smart homes
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Homes in which household tasks are controlled by a main computer in the home or by the homeowner remotely via a mobile phone.
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Dual-mode mobile phone
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A mobile phone that can make phone calls over the internet via a Wi-Fi network, in addition to making phone calls via a cellular network.
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Mobile Devices
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Typically include the functions of a telephone, organizer, digital media player, gaming device, Web browser, and digital camera.
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Pervasive computing (ubiquitous computing)
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Few aspects of life remain untouched by computers.
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Computer literacy
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Knowing about and understanding computers and their uses.
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WWW
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World Wide Web
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E-mail
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Electronic messages
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DVD
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Digital video recorders
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GPS
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Global Positioning System
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Motherboard
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The main circuit board of a computer, located inside the system unit, to which all computer system components connect.
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Central Processing Unit (CPU)
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A variety of circuitry and components that are packaged together and connected directly to the motherboard. The CPU - also called the microprocessor (when talking about personal computers) or just the processor (when speaking in general terms for any computer) - does the vast majority of the processing for a computer.
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Multicore CPU
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A CPU that contains the processing components or core of more than one processor in a single CPU.
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Dual-core CPU
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A CPU that contains two separate processing cores.
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Quad-core CPU
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A CPU that contains four separate processing cores.
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Decimal Numbering System
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The numbering system that represents all numbers using 10 symbols (0-9).
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Binary Numbering System
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The numbering system that represents all numbers using just two symbols (0-1).
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Binary Computers
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Can understand only two states, usually thought of as off and on and represented by the digits 0 and 1.
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Bit
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The smallest unit of data a digital computer can recognize.
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Byte
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A group of 8 bits.
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Kilobyte (KB)
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Approximately 1 thousand bytes (1,024 bytes)
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Megabyte (MB)
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Approximately 1 million bytes.
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Gigabyte (GB)
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Approximately 1 billion bytes.
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Terabyte (TB)
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Approximately 1 trillion bytes.
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Peta-byte (PB)
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Approximately 1000 TB.
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Exabyte (EB)
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Approximately 1000 PB.
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Zettabyte (ZB)
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Approximately 1000 EB.
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Yottabyte (YB)
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Approximately 1000 ZB.
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Flash Memory
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Nonvolatile memory chips that can be used for storage by the computer or user; can be built into a computer or a storage medium.
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Expansion Slot
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A location on the motherboard into which expansion cards are inserted.
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Wire hotspots
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Allow students to use their personal computers to connect wirelessly to the college network and the Internet from anywhere on campus.
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Distance Learning
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An alternative to traditional classroom learning in which students participate, typically at their own pace, from their current location instead of physically going to class.
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Machine language
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A binary-based language for representing computer programs that the computer can execute directly.
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System Unit
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The main box of a computer that houses the CPU, motherboard, memory, and other devices.
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Desktop computers
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A personal computer designed on or next to a desk.
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Notebook Computer
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A fully functioning portable computer that opens to reveal a screen and keyboard also called a laptop.
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Thin Client
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A personal computer designed to access a network for precessing and data storage, instead of performing those tasks locally; also called a network computer (NC).
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Ultra-mobile PC (UMPC)
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A portable personal computer that is small enough to fit in one hand; also called handheld computers.
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Netbook
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A very small notebook computer.
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Tablet computer
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A portable computer about the size of a notebook that is designed to be used with an electronic pen.
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ROM (Read Only Memory)
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Nonvolatile chips located on the motherboard into which data or programs have been permanently stored.
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Register
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High speed memory built into the CPU that temporarily stores data during processing.
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Nonvolatile
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A characteristic of memory or storage in which data is retained even when the power to the computer is turned off.
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Volatile
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A characteristic of memory or storage in which data is not retained when the power to the computer is turned off.
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Cache Memory
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A special group of very fast memory circuitry located on or close to CPU, used to speed up processing.
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Clock speed
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Mhz, Ghz the amount of instructions that can be processed per second.
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Internet address
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An address that identifies a computer, person, or Web page on the Internet, such as an IP address, domain name, or e-mail address.
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Web Server
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A computer that is continually connected to the internet and hosts Web pages that are accessible through the internet.
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Web Site
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A collection of related Web pages usually belonging to an organization or individual.
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Web page
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A document, typically containing hyperlinks to other documents, located on a web server and available through the WWW.
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World Wide Web (WWW)
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The collection of Web pages available through the internet.
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Internet Service Provider (ISP)
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A business or other organization that provides internet access to others.
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Internet
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The largest and most well0known computer network, linking millions of computers all over the world.
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Computer Network
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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.
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