Lesson I Computer lt
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| arithmetic / logic | section of central processing unit that performs arithmetic computations and logical operations.
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| binary | machine language that is made up of only 0s and 1s .
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| bit | a single zero or a single one chip where instructions for starting up the computer are stored.
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| BIOS ROM | a type of computer chip where instructions for starting up the computer are stored.
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| byte | a single character language; eight bits are equal to one byte.
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| central processing unit | microprocessor that is the brains of computer.
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| circuit board | thin plate or board that contains electronic components.
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| computer | an electronic device that recieves data (input), processes data, stores data, and produces a result.
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| control unit | coordinates all of the processor's activities
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| data | text, numbers, sound, images, or video
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| dual-core processor | a songle chip that contains two seprete processors
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| embedded computers | perform specific tasks and can be found in a range of devices such as a digital watch an mp3 player.
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| file allocation table | a special log on a magnetic storage disk where each track is labeled and given a location
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| hard disk | used to store data inside the computer; removable versions also available.
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| hardware | the actual machine--wires, transistors, and circuits--in a computer system.
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| information | output produced by a computer
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| memory | short term or longterm way to store a file or information
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| mobile devices | small general-purposes computers that can generally fit into the palm of your hand
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| motherhboard | circuit board mounted in a computer case that contains integral components
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| multicore processor | and expansion that provides for more than two seprete processors
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| network drive | a hard drive or tape drive located on a computer other than the user's local system
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| notebook computers | small personal computers that contain the monitor with a built-in keyboard; also called laptop computers
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| random access memory | short term memory located on the motherboard that the computer can read from and write to temporarily.
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| read-only memory | stores specific instructions needed for computer operations
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| remote storage | used to extend disk space on a server and eliminate the addition of more hard disks or other storage devices
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| server | a general-purpose computer that can support a few users or hundreds of users; varations include file server, database server, and web server
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| software | instructions or programs for controlling the computer
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| supercomputer | fastest type of computer; used for specialized applications to process enormous amounts of data
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| tablet PC | personal computer similar in size and thickness to a notepad; used with a stylus or digital pen on a touch screen
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| tracks | circles on a magnetic storage device where data is stored or retreived
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| USB flash drive | small removable solid-state storage device
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| The computer is one of the most important______ of the past century. | inventions
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| The first computers were developed in the late _________ for use by the military and government. | 1940s and early 1950s
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| The first ____ computer was built in 1976. | apple
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| Special-purpose computers are mostly to ____ other devices. | control
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| General-purpose computers are divided into ____, based on their physical size, function, cost, and performance. | categories
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| Computers take ____ and change it into information. | raw data
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| You input programs and data with some type if ___ device. | input
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| The computer uses _____ to process the data and to turn it into information. | instructions
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| You ____ the information to some type of output device. | Send
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| You store it for later ______. | retrieval
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| The _____ is a circuit board that contains integral components. | motherboard
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| The central processing unit (CPU) is the _____ of the computer. | Brains
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| CPU has two primary sections: the _____ and the _____ |
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