The useful life of a computer depends on how the computer is being used

________ is information and personal data that is stored with a document that can be removed before the document is shared

A) Content B) Placeholder text C) The data source D) Metadata

Which kind of prototyping is most similar to what engineers call "bread boarding"?

A) first full-scale model B) model bearing some essential features C) nonworking scale model D) patched-up prototype