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Unit 2
| Computer | It is an electronic devicethat processes data. |
| Personal computer | Is used by one person at a time. |
| Central processing unit | It is like the computer's brain. |
| bit | It is the smallest unit of information, always either 1 or 0. |
| Byte | The building block for all information that flows though a computer. |
| Random-Access memory | This memory is permanate information on your computer. |
| Read-only memory | This memory is tempoary information that your computer uses only when you work with a particular file. |
| Storage device | Such as a hard drive,a server,or a disk. |
| Software | Is a set of instrustions |
| save as | You can duplicate,or copy, a file by using the save as command. |
| shortcut | A icon that is a direct link to a file or folder. |
| drive | is the largest storage area. |
| folder | Is a place to save and organize files, such as documents or pictures. |
| file | Is a collection of data. |
| keyword | Is a word [or words] keyed into a search box that matches the topic you are looking for. |
| continent seach | Look for information from a list of categories and topics.This is like using a table of contents. |
| keyword search | Key one or more keywords. |
| Hardware | Is the collection of physical devices that make up your computer system. |
| Input | is when a user enters info. into a computer system. |
| output | Is when a computer delevers info. back to a user. |
| Operating System | Software is the main program that makes your computer work. |
| Network | Is a group of computers connected together. |