Why are people Keeps telling me this ?

My name is Nader, i'am 18 years old , living in Egypt, i love Computers ,i love dealing with all the Operating systems like Linux & windows , mac, i just got some experience, i can make 5 boot operating systems on my netbook, i'am fast in using computers , such as Typing , Killing processes from the Task manager , creating After effects projects , Powerpoint Presentations up to 30 slides with videos & Hyper link buttons., I collect Computer hardware to get a Pc cpu collected in the case , i know most of the CPU components , i know most of the Processors , Rams out there, , i love to make some little things like Making my own Headphones, i get Thick heavy wires with paint sprays , i make them Mono channels ,then Melt plastic to reform their Body. , i made an electronic board that is connected between the headphones & the mp3 with a Led that Light up whenever the bass appears., i've hacked psps , i've got the 1000/1000 in the Microsoft office specialist Certificate in my collage, now the Thing that is Somehow annoying me is that Most of my fellow student whether they are my friends or not, they keep thinking that i am a computer genius , whenever they ask me about something and i reply and solve the Problem with a phone call they somehow tells me that i Should have NEVER entered Business administration section here in collage. whenever the Professor's Laptop do something wrong not allowing us to get the Lectures displayed on the Projector, he Asks who can help ?,. EVERYONE says "Nader". so i come out & Fix it & the professors knows well about me that i have good computer Skills. they ask me to Copy some books to a power-point Presentations and after i do , they get shocked telling me , Omg you did all that in that Short time ?., they Give me Extra Marks for that too., EVEN everyone i see is telling that. , I do believe in myself but i Don't know what to do about it . Can this be my Career? , i am confused, I just WISH to know why are they saying this & what should i do . Thank you a Million Times.