Computer viruses are unwanted programme which effects the computers leading to loss of storage data. It slows down the speed of computer.

OJT  means on the job training. It got many advantages but main are as follows 1.In this programme  training is given right on our jobs.  As training is given on jobs so we need not to imagine about our project. 2.This is given in presence of skilled & well trained instructor so we can clear any doubt on … Read more