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Lesson I

Lesson I Computer lt

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



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