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OICComputer Literacy

The study guide to the OIC Computer Literacy I course

The sequence of events in any computing device when it is processing information. The four steps are(1) input, (2) processing, (3) output and (4) storage. Information Processing Cycle
Sometimes simply processor, is the key component in a digital computer capable of executing a program. It interprets computer program instructions and processes data. Central Processing Unit (CPU)
A software program that lets you explore the World Wide Web to find text, graphics, sound movies, games, chats and more Browser
An electronic machine that 1)takes in data and instructions (input) 2) works with the data(processing) 3)puts out information (output) Computer
A blinking line or shape on the screen that tells you where the next character will go Cursor
Stands for "Electronic mail". Its a way of sending messages from one computer to another. You send a message to someone, with attachments such as photos or files, usinga modem or network. E-Mail
A tiny picture on the screen that represents a program, file or folder Icon
Physical Computer Components Hardware
Electronic instructions that tells a computer what to do Software
The unique address used to locate a Web page or Web site Uniform Resource Locator(URL)
Input devices used to convert hard copy documents or images into digital files Scanner
A group of two or ore computers(or nodes) connected to share information and resources Network
The device to input typed data and commands into a computer Keyboard
An input device used to enter commands and userresponses into a computer Mouse
The Web page that displays every time you start Internet Explorer Home page
Software programs that search for keywords in files and documents or other Web sites found on the internet Search Engines
System software that controls the way in which a computer system functions, including the management of hardware,peripherals, and software Operating System
Computer hardware used to enter data and instructions into a computer Input Devices
Computer hardware used to retrieve processed data and informationfrom a computer Output Devices
Malicious code or program,usually installed on a computer without the user's knowledge or permission Virus
A large computer capable of performing more than one taskat the same time and supporting many users simultaneously Mainframe
Personal digital assistant Handheld computers
A personal computer computer for mobile use Laptop
The basic screen from which Windows and programs are run, and which consist of program icons, a taskbar, a start button, and amouse pointer Desktop
The use of electronic messaging systems to send unsolicited bulk messages indiscriminately SPAM
A common output device that displays text, graphics, and video Monitor
Approximately one million bytes: a unit of measure for memory and storage space Megabyte
Moving an object from one place on the screen to another by use of a mouse Drag
A set of characters with the same design and shape Font
Approximately one billion bytes; a unit of measure for memory and storage space Gigabyte
used in popular media to describe someone who attempts to break into computer Hacker
refers to a critical failure in a computer, network device, or software running on these (such as a network operating system or application). Crash
The original storage device for a microcomputer, which enables portable, permanent storage on floppy disks. Floppy Drive
A storage device used to read and possibly write data to a CD CD ROM Drive
Hyper Text Transfer Protocol HTTP:
A collection of raw facts, figures and symbols given to a computer during input operations Data
The process of loading the operating system into memory when a computer is turned on Boot
The set of programs that enables a computer's hardware devices and program software to work together; it includes the operating system and utility programs System Software
A place in a computer where the operating system, application programs, and data in current use are kept so that they can be quickly reached by the computer's processor. RAM(Random Access Memory)
Built-in computer memory containing data that normally can only be read, not written to ROM(Read Only Memory)
an optical disc technology with a 4.7 gigabyte storage capacity on a single-sided, one-layered disk, which is enough for a 133-minute movie Digital Versatile Disk
a measure of computer storage capacity that is 2 to the 40th power or approximately a trillion bytes (that is, a thousand gigabytes). Terabyte
a computer display area that represents the kinds of objects: icons, folders and pictures Desktop
an entity of data available to system users (including the system itself and its application programs) that is capable of being manipulated as an entity. File
A named collection of related file s that can be retrieved, moved, and otherwise manipulated as one Folder
A window that gives you access to the files and folders on your computer My Computer
A specific set of ordered operations for a computer to perform Program
A computer program that provides services to other computer programs (and their users) in the same or other computers Server
A horizontal row or vertical column of selectable image "buttons" that give the user a constantly visible reminder of and an easy way to select certain desktop or other application functions Toolbar
A visual device on the desktop that typically shows the user which applications (tasks) are currently active and running. Taskbar
Created by: SMITHOIC