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unit 2 keyterms
unit 2
| Term | Definition |
|---|---|
| computer | an electronic device that processes data. |
| personal computer(pc) | is used by one person at a time. |
| central processing unit(cpu) | is like the computers brain. |
| bit | is the smallest unit of information,either a 1 or 0. |
| byte | the building block for all information that flows through a computer. |
| hardware | the collection of physical devices that make up your computer system. |
| input | when a user enters information into a computer. |
| output | when a computer delivers information back to a user. |
| random-access memory | the temporary information that a computer uses only when it works with a particular file. |
| read-only memory | the permanent information on your hard drive |
| storage device | hardware that saves data onto a hard drive, a server,or a disk |
| software | a set of instructions that makes it possible for your computer to perform tasks |
| operating system(os) | is where the main program that makes your computer work |
| network | a group of computers connected together |
| rom | tells the computer how to start up and instructs the operating system to start up |
| ram | when you start and use your software |
| drive | the largest storage area |
| folder | a place to save and organize files, such as documents or pictures |
| file | is a collection of data |
| save as | means to duplicate, or copy a file |
| shortcut | is an icon that is a direct link to a file or folder |
| application software | lets you do different tasks on your computer, such as writing reports or sending e-mail |