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Computer Chapter 1
Vocab
Question | Answer |
---|---|
Known as digital literacy; involves having a current knowledge and understanding of computers and their uses. | computer literacy |
An electronic device operating under the control of instructions stored in its own memory, that can accept data, process the data according to specified rules, procedure rules, and store the results for future uses. | computer |
A collection of unprocessed items, which can include text, numbers, images, audio, and video. | data |
Conveys meaning and is useful to people | information |
People refer to the series of input, process, output, and storage activities; communication has also become an essential element | information processing cycle |
A computer contains many electric, electronic and mechanical components | hardware |
Any hardware component that allows you to enter data and instructions into a computer. Ex: keyboard, mouse,microphone,scanner,digital camera, and Web cam | input device |
Any hardware component that conveys information to one or more people. Ex: printer, monitor, speakers, and a portable media player | output device |
two examples are hard drive and flash drive | storage devices |
Provides much greater storage capacity that a USB flash drive. Enclosed in an air tight sealed case; most are household. | hard drive |
Portable storage device that is small and lightweight enough to be transported on a key chain or pocket. | flash drive |
Interprets and carries out basic instructions that operate a computer. | processor |
Stores instructions waiting to be executed and data needed by those instructions. | memory |
It has two main components which are the processor and memory | motherboard |
Enables a computer to send (transmit) and receive data, instructions, and information to and from one or more computers. | modem |
consists of programs designed to make users more productive and/or assist them with personal tasks. | application software |
Consists of the programs that control or maintain the operations of the computer and its devices. | system software |
A computer that can perform all of its input, process, output and storage activities by itself. | personal computer |
Designed so that the system unit, input devices, output devices, and any other devices fit entirely on or under a desk or table. | desktop computer |
Fits on your lap or in your hand, usually one, less than one hundred dollars to several thousand dollars | notebook |
Special type of notebook computer that allows you to write or draw on that screen using a digital pen. | Tablet PC |
Users can write or draw by pressing the pen on the screen and issue instructions to the Tablet PC by tapping on the screen | digital pen |
Mobile computing device designed for single-player or multiplayer video games | game consoles |
Controls access to the hardware, software,and other resources on a network and provides a centralized storage area for programs, data, and information . | servers |
A large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously. Store tremendous amounts of data, instructions, and information. | mainframe computers |
The fastest, most powerful computer-and the most expensive. | supercomputers |
Special purpose computer that functions as a component in a larger product. | embedded computers |