I did b.sc math 200 7 56 % & hav basic knowledge of computer & a private inst. certificate. Is Doeacc A level good for computer teacher job

I prepared for MBA entrance but had too much money problem so left my plan to do MBA. Than Before 1 Year i started preparing for government jobs. I gave Sbi clerk interview but was Not selected.due to childhood accidet i hav some lackness of energy .So that i cannot do lots of field running work.