Which of the following Key is not found in normal

Which among the following is the fastest media to transfer the data ? 

 ............. Is the functional key to display save-as box. 

Which of the following topologies has the highest reliability?  

__________ is the main circuit board of a computer.

Which of the following function key is also help key in the keyboard?

Which operating system is commonly used in smartphones and tablets and is based on the Linux kernel?

What is the name of the graphical interface used to browse files and folders in Windows?

What does BIOS stand for?

Which of the following is the shortcut key for hides the selected rows? 

MS word is software of ____