A universal product code is read by what type of scanner:

ASCII stands for

The set of computer programs that manage the hardware/software of a computer is called

Which of the following scrambles a message by applying a secret code?

________ is/are universal gates

Which network topology requires a central controller or hub?

Changing an existing document is called _____ the document.

The ability to query data, as well as insert, delete, and alter tuples, is offered by

Which of the following is used in second generation computer?

Hackers often gain entry to a network be pretending to be at a legitimate computer