When someone’s purpose is to describe a problem and evaluate possible solutions, he/she will write a problem solving essay. In academic writing, the problem solving essay is very common and useful. For example, students would use it in a ecological class if they were asked to discuss solutions to the problem of endangered species.
Comparison is an act of examining resemblances. That means when someone compare two things, he/she look for how they are similar. Contrast is an act of distinguishing by comparing differences. That means when someone contrast two things, he/she look for how they are different.
I cannot concur with this assertion if standing in the field of information technology. For most of IT products, users tend to require more friendly accesses.However, in engineering respect, to achieve this requirement does not mean to make things simpler, it usually requires more researching in more extensive techniques and higher knowledge.