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DCT Chp 1
Key Terms and definitions
| Term | Definition |
|---|---|
| Software | a set of instructions,also called a program or application,that tells computer how to perform tasks |
| operating system | software that controls all of the other software programs and allows the computer to perform basic tasks |
| hardware | all of the physical parts of a computer |
| digital | information that is represented as individual 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 chnaged or deleted |
| e-portfolio | a collection of the best documents and projects you have created and saved in an electronic format |