A computer is a programmable machine that receives input, stores and manipulates data, and provides output in a useful format. All general-purpose computers require the following hardware components:. Memory : enables a computer to store, at least temporarily, data and programs. Mass storage device : allows a computer to permanently retain ...
(Anglų kalba. Referatas, 6 psl, 17 kB)

Useful essay words and phrases. Adding more to a point already made. Writing in lists. Putting the same idea in a different way. Introducing examples. Introducing an alternative viewpoint. Returning to emphasise your earlier viewpoint. Showing the results of something. Summing up or concluding. Useful phrases to introduce quotations. Usefu ...
(Anglų kalba. Esė, 3 psl, 6 kB)