isds_chapter2_vocab

isds_chapter2_vocab - CHAPTER TWO An LCD monitor that uses...

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CHAPTER TWO active-matrix display 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. 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 See multifunction printer. Alt key One of the keys on a standard PC computer keyboard that is used in conjunction with other keys to perform additional shortcuts and special tasks. application software 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. 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. binary language The language computers use to process data into information, consisting of only the values 0 and 1. Blu-ray A format for optical storage devices that uses a disc similar in size and shape to a DVD and can hold up to 50 GB of data, or 4.5 hours of high-definition video. brightness A measure of the greatest amount of light showing when the monitor is displaying pure white; measured as candelas per square meter (cd/m2) or nits. byte Eight binary digits (bits). cathode ray tube (CRT) monitor A type of monitor that was based on the original design of the television set and features a picture tube device and screen made up of millions of pixels, or tiny dots. These monitors have been largely replaced by LCD monitors. CD-ROM drive A drive that reads compact discs (CDs). CD-RW drive A drive that can both read data from and write data to CDs. central processing unit (CPU or processor) The part of the system unit of a computer that is responsible for data processing (or the "brains" of the computer); 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 issued to it by software instructions. cold boot The process of starting a computer from a powered down or off state. computer A data-processing device that gathers, processes, outputs, and stores data and information. connectivity port A port that enables the computer (or other device) to be connected to other
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devices or systems such as networks, modems, and the Internet. contrast ratio A measure of the difference in light intensity between the brightest white and the darkest black colors that a monitor can produce. If the contrast ratio is too low, colors tend to fade when the brightness is adjusted to a high or low setting. Control (Ctrl) key One of the keys on a standard PC computer keyboard that is used in combination with other keys to perform shortcuts and special tasks.
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This note was uploaded on 12/08/2009 for the course ISDS 1100 taught by Professor Landry during the Fall '08 term at LSU.

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isds_chapter2_vocab - CHAPTER TWO An LCD monitor that uses...

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