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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 |