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77 Cards in this Set
- Front
- Back
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Active-matrix display
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An LCD monitor that uses active-matrix technology to charge each pixel individually as needed; the result is a clearer, brighter image than shown with a passive-matrix display.
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All in one printer
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printer, scanner, fax, & copier
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Application Software
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The set of programs on a computer that helps a user carry out tasks such as word processing, sending e-mail, balancing a budget, creating presentations, editing photos, taking an online course, and playing games.
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Binary Digit (bit)
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Each 0 and 1 (A digit that corresponds to the on and off states of a computer's switches. (It contains a value of either 0 or 1)
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Binary Language
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-computers need to work in language they understand.
-It consists of two digits (0 - 1). -Processing data or print a report is broken down into a series of 0's and 1's. |
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Byte
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A string of 8 binary digits (bits) equals this. Every letter, number, and special character is a unique one of these.
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Blu-ray
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the latest incarnation of optical storage.
-DVD hold about 9.8 GB; not enough to hold movies in HD digital format. -Blu-rays can hold as much as 50 GB. |
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Cathode ray tube (CRT)
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big, bulky, television set type computer monitor with a picture-tube device. (Opposite of flat screen - LCD)
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CD-ROM
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Read only
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CD-R
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Read and write (write only once)
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CD-RW
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Read and write (write over multiple types)
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Central Processing Unit (CPU)
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-the largest most important chip in the computer.
-Sometimes referred to as the "brains" of the computer. -It controls all the functions performed by the computer's other components and processes all the commands issued to it by software instructions. |
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Cursor
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the flashing "I' symbol on the monitor that indicates where the next character will be inserted.
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Embedded computers
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specially designed computer chips that reside inside other devices such as your car or the electronic thermostat in your home. (these computers are not interactive)
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Ergonomics
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How a user sets up his or her computer and other equipment to minimize risk of injury or discomfort.
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Ethernet port
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This port resembles a telephone jack and transfers data at speeds up to 1000 Mbps. It is used to connect your computer to a digital subscriber line (DSL) or cable modem or a network.
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Expansion Cards
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A circuit board with specific functions that augment the computer's basic functions and provide connections to other devices; examples include the sound card and video card.
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External Hard Drive
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An internal hard drive that is enclosed in a protective case to make it portable; the drive is connected to the computer with a data transfer cable and is often used to back up data.
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FireWire
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An interface based on a standard developed by the Institute of Electrical and Electronics Engineers (IEEE) with a transfer rates of 400 megabits per second (Mbps) or 800 megabits per second (Mbps). Today, it is most commonly used to connect digital video devices such as digital cameras to the computer.
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Flash Drive
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A drive that plugs into a universal serial bus (USB) port on a computer and stores data digitally. Also called USB drive, jump drive, or thumb drive.
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Gigabyte
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About a billion bytes
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Hard Drive
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A device that permanently stores programs and data. These can be located inside the system unit or can be attached to the system unit via a data port.
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Impact printer
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A printer that has tiny hammer-like keys that strike the paper through an inked ribbon, thus making a mark on the paper; the most common impact printer is the dot-matrix printer.
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Inkjet printer
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A nonimpact printer that sprays tiny drops of ink onto paper.
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Input device
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A hardware device used to enter, or input, data (text, images, and sounds) and instructions (user responses and commands) into a computer; includes keyboards and mice.
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Internal hard drive
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A hard drive that is installed inside the system unit.
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Keyboard
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A hardware device used to enter typed data and commands into a computer.
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Kilobyte
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A unit of computer storage equal to approximately 1,000 bytes.
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Laptop Computer
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A powerful mobile computing solution that offers a large display and all of the computing power of a full desktop system.
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Laser Printer
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quality printouts
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Legacy technology
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Comprises computing devices, software, and peripherals that use techniques, parts, and methods from an earlier time that are no longer popular.
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Liquid Crystal Display (LCD)
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The technology used in flat-panel computer monitors.
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Megabyte
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A unit of computer storage equal to approximately 1 million bytes.
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Monitor (display screen)
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A common output device that displays text, graphics, and video as soft copies (copies that can be seen only on-screen).
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Motherboard
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A special circuit board in the system unit that contains the central processing unit (CPU), the memory (RAM) chips, and the slots available for expansion cards; all of the other boards (video cards, sound cards, and so on) connect to it to receive power and to communicate.
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Mouse
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A hardware device used to enter user responses and commands into a computer
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Network Interface Card (NIC)
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An expansion card that enables a computer to connect other computers or to a cable modem to facilitate a high-speed Internet connection.
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Operating System (OS)
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The system software that controls the way in which a computer system functions, including the management of hardware, peripherals, and software.
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Optical Mouse
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A mouse that uses an internal sensor or laser to control the mouse's movement. The sensor sends signals to the computer, telling it where to move the pointer on the screen.
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Output device
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A device that sends processed data and information out of a computer in the form of text, pictures (graphics), sounds (audio), or video.
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Peripheral Device
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A device such as a monitor, printer, or keyboard that connects to the system unit through ports.
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Pixel
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A single point that creates the images on a computer monitor. These are illuminated by an electron beam that passes rapidly back and forth across the back of the screen so that the these appear to glow continuously.
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Printer
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A common output device that creates tangible or hard copies of text and graphics.
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Processing
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Manipulating or organizing data into information.
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Random Access Memory (RAM)
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The computer's temporary storage space or short-term memory. It is located as a set of chips on the system unit's motherboard, and its capacity is measured in megabytes or gigabytes.
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Resolution
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The clearness or sharpness of an image, which is controlled by the number of pixels displayed on the screen.
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Software
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The set of computer programs or instructions that tells the computer what to do and enables it to perform different tasks.
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Sound Card
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An expansion card that attaches to the motherboard inside the system unit and that enables the computer to produce sounds by providing a connection for the speakers and microphone.
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Speech-recognition Software
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Software that translates spoken words into typed text.
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Stylus
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A pen-shaped device used to tap or write on touch-sensitive screens
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System software
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The set of programs that enables a computer's hardware devices and application software to work together; it includes the operating system and utility programs.
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System Unit
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The metal or plastic case that holds all the physical parts of the computer together, including the computer's processor (its brains), its memory, and the many circuit boards that help the computer function.
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Tablet PCs
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A notebook computer designed specifically to work with handwriting recognition technology.
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Touch-screen monitor
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A type of monitor (or display in a notebook or PDA) that accepts input from a user touching the screen.
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Touchpad
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A small, touch-sensitive screen at the base of a notebook keyboard. To use the touchpad, you simply move your finger across the pad to direct the cursor.
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Trackball mouse
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A mouse with a rollerball on top instead of on the bottom. Because you move the trackball with your fingers, it doesn't require much wrist motion, so it's considered healthier for your wrists than a traditional mouse.
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Universal serial bus (USB) port
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A port that can connect a wide variety of peripheral devices to the computer, including keyboards, printers, mice, smartphones, PDAs, flash drives, and digital cameras.
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USB 2.0 port
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An external bus that supports a data throughput of 480 Mbps; these buses are backward-compatible with buses using the original universal serial bus (USB) standard.
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Video Card
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An expansion card that is installed inside a system unit to translate binary data (the 1s and 0s the computer uses) into the images viewed on the monitor.
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Volatile storage
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Temporary storage such as in random access memory (RAM);
when the power is off, the data in this is cleared out. |
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Affective Computing
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A type of computing that relates to emotion or deliberately tries to influence emotion.
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Bluetooth technology
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A type of wireless technology that uses radio waves to transmit data over short distances. Often used to connect peripherals such as printers and keyboards to computers or headsets to cell phones.
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Computer forensics
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The application of computer systems and techniques to gather potential legal evidence; a law enforcement specialty used to fight high-tech crime.
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Computer literate
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Being familiar enough with computers that you understand their capabilities and limitations and know how to use them.
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Data mining
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The process by which great amounts of data are analyzed and investigated to spot significant patterns or trends within the data that would otherwise not be obvious.
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Digital divide
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The discrepancy between those who have access to the opportunities and knowledge computers and the Internet offers and those who do not.
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Digital home
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A home that has a computer(s) and other digital devices that are all connected to a home network.
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Information technology
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The set of techniques used in processing and retrieving information.
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Nanoscience
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The study of molecules and nanostructures whose size ranges from 1 to 100 nanometers (one billionth of a meter).
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Nanotechnology
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The science revolving around the use of nanostructures to build devices on an extremely small scale.
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Offshore
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The practice of relocating technical work to countries outside the United States.
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Patient simulator
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A computer-controlled mannequin that simulates human body functions and reactions.
These are used in training doctors, nurses, and emergency services personnel by simulating dangerous situations that would normally put live patients at risk. |
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Personal digital assistant (PDA)
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A small device that enables a user to carry digital information.
Often called palm computers or handhelds, and are about the size of a hand and usually weigh less than 5 ounces. |
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Public domain
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The status of software (or other created works) that are not protected by copyright
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Radio Frequency identification tag (RFID tag)
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A tag that looks like a sticker or label, is attached to a batch of merchandise, and contains a microchip that holds a unique sequence of numbers used to identify the product to which it is attached.
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Software
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The set of computer programs or instructions that tells the computer what to do and enables it to perform different tasks.
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Spam
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Unwanted or junk e-mail.
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