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DCT Chap 1
vocabulary
Term | Definition |
---|---|
software | the programs used to direct the operation of a computer, as well as documentation giving instructions on how to use them. |
operating system | the collection of software that directs a computer's operations, controlling and scheduling the execution of other programs, and managing storage, input/output, and communication resources. |
hardware | the mechanical, magnetic, electronic, and electrical devices comprising a computer system, as the CPU, disk drives, keyboard, or screen. |
digital | involving or using numerical digits expressed in a scale of notation, usually in the binary system, to represent discretely all variables occurring in a problem |
hard drive | the mechanism that handles the reading, writing, and storage of data on the hard disk |
input | something that is put in |
output | the act of turning out; production |
external storage device | a storage device that can be easily removed from computer and is often small and portable |
read-only memory ROM | memory that holds data can be read by a digital device but cannot be changed or deleted |
e-portfolio | a collection of the c=best documents and projects you have created and saved in an electronic formats |