Commands are organized into tabs on the a. ribbon. b. status bar. c. quick access toolbar. d. ruler.

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

In which phase does software coding and testing happen in the spiral model? the spiral model does not have a separate testing phase. both, software coding and testing occurs during the phase.

1. before plugging in a new device to a computer you should unplug all other devices turn off the computer turn on the computer 2. many of the maintenance tools for a computer can be found in the control panel under administrative tools display personalization