Which of the following is used in second generation

All the statements about windows hold true except:

 C is    

Which of the following is not a cyber-attack?

The smallest resolvable part of the screen is ____

Which component issues signals at regular intervals?

gif. jpg, bmp, png are used as extensions for files which store

Which of the following is keyboard shortcut to reload the current page in Google search engine?

How many megabytes are there in one gigabyte?  

Which is the most commonly used tool to restrict access to a computer system?  

The restart of computer is called …………. when computer is already on.