I hope I'm answering this correctly I'm not too smart about it so I hope that sounds right if you arewanting to start with a new sheet in excel do one of the following click the new sheet button on the screen. now if you want to insert a new worksheet in front of its system worksheet and then click Home>insert> insert sheet. also Excel gives you three worksheets in a workbook, you can add much more worksheets and of course other types of sheets examples are micro sheet or dialog sheet. then you can rename them or delete them. so you can give any work sheet any name you want. sheets are displayed by default but if you don't see them click options>adcanced> display for options for the worksheet> show sheet tabs.
The answer is Multitasking. NOS (Network Operating System) has the ability to execute more than one program at a time. It allows different programs to operate on the CPU, effectively giving each program a virtual copy of the CPU while preventing the program from directly manipulating the hardware. The NOS switches the CPU time from one task to another in order to create the idea that several tasks are being executed at the same time, but in reality, only one program is being executed.
Answer:
B. The account should be given a nondescript account name that cannot be easily guessed.