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chapter 2 voacb
Term | Definition |
---|---|
operating systems | the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals. |
processor speed | referring to the clock speed of a computer’s processing chip, measured in megahertz or gigahertz. |
RAM | memory is typically measured in megabytes (or, in newer computers, gigabytes) and is referred to Random access memory (RAM) your computer has available for running applications. |
SCSI(small computer interface) | an industry-standard connection between computers and peripheral device controllers. |
Fire wire | Apple computer’s version of the IEEE 1394 standard for connecting peripherals to the computer. |
USB(universal serial bus) | connection model is the new de facto standard for connecting peripheral devices to a computer. |
Input devices | helps communicate with your computer. Example: the keyboard and mouse. |
Drum scanner | based on a photo-multiplier tube that is a very sensitive and accurate sensor. The photographic original is attached to a clear plastic drum and rotated past a group of PMT sensors |
Flatbed Scanner | a less expensive and less accurate scanner uses a charge-coupled device sensor. |
output devices | any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system which converts the electronically generated information into human-readable form. |
data storage | a technology consisting of computer components and recording media used to retain digital data. |
Local area network | a computer network that links devices within a building or group of adjacent buildings. |
Wide area network | a computer network in which the computers connected may be far apart, generally having a radius of half a mile or more. |
intranet | a local or restricted communications network, especially a private network created using World Wide Web software. |
internet | a global system of interconnected computer networks that use the standard Internet protocol suite (TCP/IP) to link several billion devices worldwide. |
Dial-up modem- | a form of Internet access that uses the facilities of the public switched telephone network (PSTN) to establish a dialed connection to an Internet service provider (ISP) via telephone lines. |
image editing | encompasses the processes of altering images, whether they are digital photographs, traditional photochemical photographs, or illustrations. |
web design | a similar process of creation, with the intention of presenting the content on electronic web pages, which the end-users can access through the internet with the help of a web browser. |
page layout | the term used to describe how each page of your document will appear when it is printed. |
plug-ins | a plug-in module or plug-in software. |