Background formula checking is the process in excel that enables it to review continually the whole file for formula errors. This also functions while you are creating and entering new formulas in cells. When an error is found certain codes shows on the cells.
System crashes, viruses and fragmented file systems are hallmarks of Windows systems, but your teacher is probably looking for Hard Drive for the answer.
Answer:
w3schools
Explanation:
there is a webiste called w3schools that really helped me through my web page design class, just click on learn html
Virtualization and dynamics I think.
