Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards




share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Computer Concepts

CH 2 looking at computers: understanding the parts

TermDefinition
all-in-one computer A desktop system unit that houses the computer's processor, memory, and monitor in a single unit.
all-in-one printer Combines the functions of a printer, scanner, copier, and fax into one machine.
application software the set of programs on a computer that helps a user carry out tasks such as word processing, sending email, balancing a budget, creating presentations, editing photos, taking an online course, and playing games.
aspect ratio the width-to-height proportion of a monitor
binary digit(bit) a digit that corresponds to the on and off states of a computer's switches. a bit contains a value of either 0 or 1.
Bluetooth (technology) a type of wireless technology that uses radio waves to transmit data over short distances( approximately 3-300 feet depending on power); often used to connect peripherals such as printers and keyboards to computers or headsets to cell phones.
blue-ray disc(BD) A method of optical storage for digital data, developed for storing high-definition media. It has the largest storage capacity of all optical storage options.
byte Eight binary digits (bits).
central processing unit (CPU, or processor) the part of the system unit of a computer that is responsible for data processing; it is the largest and most important chip in the computer. The CPU controls all the functions performed by the computer's other components and processes all the commands is
cold boot the process of starting a computer from a powered-down or off state
compact disc (CD) A method of optical storage for digital data; originally developed for storing digital audio.
computer A data-processing device that gathers, processes, outputs, and stores data and information
connectivity port a port that enables a computing device to be connected to other devices or systems such as networks, modems, and the Internet.
data Numbers, words, pictures, or sounds that represent facts, figures, or ideas; the raw input that users have at the start of a job.
desktop computer A computer that's intended for use at a single location. A desktop computer consists of a case that houses the main components of the computer, plus peripheral devices.
digital video (or versatile) disc (DVD) A method of optical storage for digital data that has greater storage capacity than compact discs.
digital video interface (DVI) port video interface technology that newer LCD monitors, as well as other multimedia devices such as television, DVD players, and projector, use to connect to a PC.
drive bay a special shelf inside a computer that is designed to hold storage devices.
embedded computer a specially designed computer chip that resides inside another device, such as a car. These self-contained computer devices have their own programming and typically neither receive input from users nor interact with other system
ergonomics how a user sets up his or her computer and other equipment to minimize risk of injury or discomfort.
Ethernet port a port that's slightly larger than a standard phone jack and that transfers data at speeds of up to 10000 mbps, used to connect a computer to a DSL or cable modem or to a network
binary language The language computers use to process data into information, consisting of only the values 0 and 1.
expansion card (adapter card) A circuit board with specific functions and augment the computer's basic functions and provide connections to other devices; examples include the sound card and video card.
external hard drive A 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.
FireWire 400 An interface port that transfers data at 400 Mbps.
FireWire 800 An interface port that transfers data at 800 Mbps.
flash drive (jump drive, USB drive, or thumb drive) A drive that plugs into a universal serial bus (USB) port on a computer and that stores data digitally. Also called a USB drive, jump drive, or thumb drive.
flash memory card A form of portable storage; this removable memory card is often used in digital cameras, smartphones, video cameras, and printers.
gigabyte (GB) About 1 billion bytes.
gigahertz (GHz) One billion hertz.
hard disk drive (HDD, or hard drive) The computer's nonvolatile, primary device for permanent storage of software and documents.
Hardware Any part of the computer you can physically touch.
Hibernate A power-management mode that saves the current state of the current system to the computer's hard drive.
high-definition multimedia interface (HDMI) A compact audio-video interface standard that carries both high-definition (HD) video and uncompressed digital audio.
impact printer 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.
information Data that has been organized or presented in a meaningful fashion; the result, or output that users require at the end of job.
inkjet printer A nonimpact printer that sprays tiny drops of ink onto paper.
input device A hardware device used to enter data (text, images, and sounds) and instructions (user responses and commands) into a computer. Some input devices are keyboards and mice.
internal hard drive A hard drive that resides within the computer's system unit and that usually holds all permanently stored programs and data.
keyboard A hardware device used to enter typed data and commands into a computer.
kilobyte (KB) A unit of computer storage equal to approximately 1.000 bytes.
laptop (or notebook) computer A portable computer with a keyboard, a monitor, and other devices integrated into a single compact case.
laser printer A nonimpact printer known for quick and quiet production and high-quality printouts.
legacy technology Comprises computing devices, software, or peripherals that use techniques, parts, and methods from an earlier time that are no longer popular.
light-emiting diode (LED) A newer, more energy-efficient technology used in monitors. It may result in better color accuracy and thinner panels than traditional LCD monitors.
liquid crystal display (LCD) The technology used in flat-panel computer monitors.
mainframe A large, expensive computer that supports hundreds or thousands of users simultaneously and executes many different programs at the same time.
megabyte (MB) A unit of computer storage equal to approximately 1 million bytes.
microphone (mic) A device that allows you to capture sound waves, such as those created by your voice, and transfer them into a digital format on your computer.
modem port A port that uses a traditional telephone signal to connect the computer to the Internet.
monitor (display screen) A common output device that displays text, graphics, and video as soft copies (copies that can be seen only on the screen)
motherboard A special circuit board in the system unit that contains the 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.
mouse A hardware device used to enter user responses and commands into a computer.
netbook A computing device that runs a full-featured operating system but that weighs two pounds or less.
network interface card (NIC) An expansion card that enables a computer to connect other computers or to a cable modem to facilitate a high-speed Internet connection.
nonimpact printer A printer that sprays ink or uses laser beams to make marks on the paper. The most common nonimpact printers are inkjet and laser printers.
nonvolatile storage Permanent storage, as in read-only memory (ROM)
operating system (OS) The system software that controls the way in which a computer system functions, including the management of hardware, peripherals, and software.
optical drive A hardware device that uses lasers or light to read from, and even write to CDs, DVDs, or Blu-ray discs.
optical mouse A mouse that uses an internal sensor or laser to control mouse's movement. The sensor sends signal to the computer, telling it where to move the pointer on the screen.
organic light-emitting diode (OLED) displays Displays that use organic compounds to produce light when exposed to an electric current. Unlike LCDs, OLEDs do not require a backlight to function and therefore draw less power and have a much thinner display, sometimes as thin as 3 mm.
output device A device that sends processed data and information out of a computer in the form of text, pictures (graphics), sounds (audio), or video.
peripheral device A device such as monitor, printer, or keyboard, that connects to the system through a data port.
pixel A single point that creates the images on a computer monitor. Pixels are illuminated by an electron beam that passes rapidly back and forth across the back of the screen so that the pixels appear to glow continuously.
plotter A large printer that uses computer-controlled pen to produce oversize pictures that require precise continuous lines to be drawn, such as maps and architectural plans.
port An interface through which external devices are connected to the computer.
power supply A power supply regulates the wall voltage to the voltages required by computer chips; it's housed inside the system unit.
printer A common output device that creates tangible or hard copies of text and graphics.
processing Manipulating, or organizing data into information.
projector A device that can project images from your computer onto wall or viewing screen.
QWERTY keyboard A keyboard that gets its name from first six letters in the top-left row of alphabetic keys on the keyboard.
random access memory (RAM) The computer's temporary storage space or short-term memory. It's located in a set of chips on the system unit's motherboard, and its capacity is measured in megabytes or gigabytes.
read-only memory (ROM) A set of memory chips, located on the motherboard, which stores data and instructions that cannot be changed or erased; it holds all the instructions the computer needs to start up.
resolution The clearness or sharpness of the image, which is controlled by the number of pixels displayed on the screen.
scanner A type of input device that input images into computers.
sleep mode A low-power mode for electronic devices such as computers that saves electric power consumption and saves the last-used settings. When the device is "woken up", work is resumed more quickly than when cold booting the computer.
smartphone it lets you make and answer calls; it has productivity, media player, camera features, web connectivity.
software The set of computer programs or instructions that tells the computer what to do and that enables it to perform different tasks.
solid-state drive (SSD) A storage device that uses the same kind of memory that flash drives use but that can reach data in only a tenth of the time a flash drive requires.
sound card 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.
speakers Output device for sound.
stylus A pen-shaped device used to tap or write on touch-sensitive screens.
supercomputer A specially designed computer that can perform complex calculations extremely rapidly; used in situations in which complex models requiring intensive mathematical calculations are needed (such as weather forecasting or atomic energy research).
surround-sound speaker A system of speakers set up in such a way that it surrounds an entire area (and the people in it) with sound.
system software The set of programs that enables your computer's hardware devices and application software to work together; it includes the operating system and utility programs.
system unit 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.
tablet computer A mobile computer, such as the Apple iPad or Samsung Galaxy Tab, integrated into a flat multitouch-sensitive screen. It uses an onscreen virtual keyboard, but separate keyboards can be connected via Bluetooth or wires.
tablet PC A laptop computer designed specifically to work with handwriting-recognition technology.
terabyte (TB) is around 1 trillion bytes.
thermal printer A printer that works either by melting wax-based ink onto ordinary paper (in a process called thermal wax transfer printing) or by burning dots onto specially coated paper (in a process called direct thermal printing).
touch pad (trackpad) A small, touch-sensitive area at the base of the keyboard that's used to direct the cursor.
touch screen A type of monitor (or display in a smartphone tablet computer) that accepts input from a user touching the screen.
trackpoint device A small, joystick-like nub that allows you to move the cursor with the tip of your finger.
ultrabook A full-featured but lightweight laptop computer that features a low-power processors and solid-state drives; it tries to reduce their size and weight to extend battery life without sacrificing performance.
universal serial bus (USB) port A port type that can connect a wide variety of peripheral devices to the computer, including keyboards, printers, mice, smartphones, external hard drives, flash drives, and digital cameras.
video card An expansion card that's installed inside a system unit to translate binary data (the 1s and 0s the computer uses) into the images viewed on the monitor.
video graphics array (VGA) port A port to which a cathode ray tube monitor connects.
volatile storage Temporary storage, such as in random access memory. When the power is off, the data in volatile storage is cleared out.
warm boot The process of restarting the system while it's powered on.
webcam A small camera that sits on top of your computer monitor (connected to the computer by cable) or is built into a laptop or tablet computer and is usually used to transfer live video.
What is a terabyte? One trillion bytes.
The type of computer that you might find in your automobile is an embedded computer.
Which of the following is not an input device? A laser printer.
Which is TRUE about supercomputers? They perform complex calculations rapidly.
Which is NOT important to consider when buying a monitor? color depth
Which port enables your computer to communicate with networks and other computers? connectivity
To add ports to your computer, what do you need? an expansion hub
Which of these are NOT located on the motherboard? hard drive
Which of these is NOT an optical storage device? flash drive
Ergonomics is an important consideration for all computing devices.
Created by: TroyIS2241