All this usually happens in rural areas or in some of the township settlement, and it result in such a way that people do not view the context of ICT as a vital part of our lives until they reach tertiary level of education. At tertiary level that is where most people starting to use computers without the background knowledge of them and some suffer in their career choices. That is why you'll find some of the students at tertiary do not know how to switch on/off the computer.
If a student have to type assignments it becomes an issue and it only because of the lack basic backgrounds of a computer skills that was suppose to be learn at schools and in some cases in most of the places in SA they are under development in terms of technologies stuffs, more poverty leading to the state where they can't afford to buy technicals things for students use.
Primary learners doing computer
Above as you can see they are two pictures showing primary school children's doing computer of which is a good thing for them to start at an earlier stage in order to minimise the ICT barriers in South Africa and the consequences that will leads them to suffer in career choices at a later stage or at tertiary level of their studies. This don't happens in all the schools in south Africa especially in rural settlement https://www.google.co.za/search?q=ict+barriers+in+south+african+schools&source=lnms&tbm=isch&sa=X&ei=NRIDU5rLB7Gu7Abf7oHoCw&ved=0CAkQ_AUoAQ&biw=1366&bih=663
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