Does some one have a presentation for pc viruses

Assume that you have an sorted array of records. assume that the length of the array (n) is known. give two different methods to search for a specific value in this array. you can use english or pseudo-code for your algorithm. what is the time complexity for each algorithm and why?

The head restraint should be adjusted so that it reaches a.the top of your ears b.the base of your skull c.the top of the head

The managing director of a company sends a christmas greeting to all his employees through the company email. which type of network does he use? he uses an .