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| This term can describe either how many pixels a monitor can display or how fine a printer can print. |
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| Stands for "Optical Character Recognition." This technology is what allows you to scan that paper you lost on your hard drive, but fortunately printed out, back into your computer. |
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| With shareware, you can use the product for a trial period and then decide if you want to keep it. |
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| it means the program's source code is freely available to the public. |
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| an ultra high-performance computer made for high-volume, processor-intensive computing. They are typically used by large businesses and for scientific purposes. |
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| a high performance computing machine designed to have extremely fast processing speeds. |
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| serves to initiate a dialog with the user. It is a window that pops up on the screen with options that the user can select |
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| One gigahertz is equal to 1,000 megahertz (MHz) or 1,000,000,000 Hz. It is commonly used to measure computer processing speeds. |
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Stands for "Random Access Memory,"
made up of small memory chips that form a memory module. These modules are installed in the RAM slots on the motherboard of your computer. |
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Stands for "Read-Only Memory."
is memory containing hardwired instructions that the computer uses when it boots up, before the system software loads |
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| Stands for "Complementary Metal Oxide Semiconductor." This technology is typically used in making transistors. |
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| allows Web developers to incorporate animations and interactive content into their websites. |
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| measured in bits (such as 32-bit or 64-bit), that determines how much data can travel across the bus at one time. Buses also have a certain speed, measured in megahertz, which determines how fast the data can travel. |
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| database used by Microsoft Windows to store configuration information about the software installed on a computer. This information includes things like the desktop background, program settings, and file extension associations. |
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| In simple terms, to boot a computer is to turn it on |
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| is the process of a sending data to a spool, or temporary storage area in the computer's memory. This data may contain files or processes. |
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| small programs or scripts that can negatively affect the health of your computer. These malicious little programs can create files, move files, erase files, consume your computer's memory, and cause your computer not to function correctly. |
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| are software programs that masquerade as regular programs, such as games, disk utilities, and even antivirus programs. But if they are run, these programs can do malicious things to your computer. |
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| One refers to a computer virus and the other is an optical storage technology |
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| information processed or stored by a computer. |
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| also known as a "tower" or "chassis," is the main part of a desktop computer. It includes the motherboard, CPU, RAM, and other components. |
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| an office has a server that stores the company's database on it, the other computers in the office that can access the datbase are "clients" of the server. |
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| a computer that provides data to other computers. |
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for "Network Interface Card.
this is the card that physically makes the connection between the computer and the network cable. |
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| When you have two or more computers connected to each other |
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| Stands for "Graphical User Interface," and is pronounced "gooey." It refers to the graphical interface of a computer that allows users to click and drag objects with a mouse instead of entering text at a command line. |
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is another word for question
search engines of database questions |
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is the main circuit board of your computer and is also known as the mainboard or logic board.
the biggest piece of silicon you see. |
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| Stands for "Central Processing Unit." This is the pretty much the brain of your computer. It processes everything from basic instructions to complex functions. |
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| is a single digit number in base-2 (a zero or a one) and is the smallest unit of computer data. |
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| a unit of measurement used to measure data. One byte contains eight binary bits |
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Stands for "Universal Serial Bus."
It can be used to connect keyboards, mice, game controllers, printers, scanners, digital cameras, and removable media drives |
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| Stands for "Arithmetic Logic Unit." An ALU is an integrated circuit within a CPU or GPU that performs arithmetic and logic operations. |
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| small chip that can function as an amplifier, oscillator, timer, microprocessor, or even computer memory. |
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| Stands for "Million Instructions Per Second." It is a method of measuring the raw speed of a computer's processor. |
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| a piece of silicon with an electonic circuit embedded in it. |
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| dissipates the heat from the processor, preventing it from overheating. |
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| American Standard Code for Information Interchange." ASCII character encoding provides a standard way to represent characters using numeric codes. |
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| is a universal character encoding standard. It defines the way individual characters are represented in text files, web pages, and other types of documents. |
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gigabyte
kilobyte
megabyte
terabyte |
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kilobyte = smallest
megabyte
gigabyte
tetrabye= largest |
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| is one of the memory-management schemes by which a computer can store and retrieve data from secondary storage for use in main memory |
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| move (a piece of a program) into memory |
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| is software that communicates with the hardware and allows other programs to run. |
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Stands for "Basic Input/Output System."
a program pre-installed on Windows-based computers (not on Macs) that the computer uses to start up. |
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| increases the available memory your computer has by enlarging the "address space," or places in memory where data can be stored |
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| the input from a group of keys on a keyboard between two different input modes. |
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| uses a light-emitting diode and photodiodes to detect movement relative to a surface. (laser mouse) |
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