1. __ and ___ were used in first generation computers

Aletter or menu command that starts an action when the user presses the designated letter and the alt key together is called what?

One subtask in the game is to roll the dice. explain why is roll the dice an abstraction.

Mariah was working on a multimedia presentation that included both video and audio files. the file was huge, and she wanted to send it to her coworker in another office. she needed to reduce the size of the file so that it could be transmitted faster. the utility she used to do this was