Good morning all enjoy your day

Which number on the image above correctly indicates the name of a folder in this url? a.1b.2c.3d.4

You turn your computer on and the computer will not boot up where is something you should do to diagnose the problem?

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?