Aswitch is closed, and a lamp turns on. the switch is opened, the lamp turns off. explain what is meant by these two statements.

Nathan wants to create multiple worksheet containing common formatting styles for his team members. which file extension him to save these worksheets? nathan to create multiple worksheets with common styles. he needs to save them with the extension.

The qwerty keyboard is the most common layout of keys on a keyboard

Use a physical stopwatch to record the length of time it takes to run the program. calculate the difference obtained by calls to the method system.currenttimemillis() just before the start of the algorithm and just after the end of the algorithm. calculate the difference obtained by calls to the method system.currenttimemillis() at the start of the program and at the end of the program so that the elapsed time includes the display of the result. use the value returned by the method system.currenttimemillis() just after the end of the algorithm as the elapsed time.