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DCT Chp 1
key terms
| Term | Definition |
|---|---|
| software | set of instructions,also called a program or application, that tells a computer how to perform tasks. |
| operating system | is software that controls all of the other software programs and allows the computer to perform basic tasks. |
| hardware | includes all of the physical parts of a computer. |
| digital | is information that is represented as individuals pieces of data using the numbers 1 and 0, rather than as a continuous stream. |
| Hard drive | the built-in storage device inside a computer. |
| input | information that is entered into a computer. |
| output | information that a computer produces or processes. |
| external storage device | a storage device that can be easily removed from a computer and is often small and portable. |
| read-only memory (ROM) | memory that holds data that can be read by a digital device but cannot be changed or deleted. |
| e-portfolio | a collection of the best documents and projects you have created and saved in an electronic format. |