Fill in the Blanks What are computersOnline version Texto - Área de Informática by Francine Martins Molinari 1 piece programs interaction see items instructions chip desk Hardware machines most faster 1940s people amazing electronic monitor components pocket Computers Computers are that perform tasks or calculations according to a set of instructions , or . The first fully computers , introduced in the , were huge machines that required teams of to operate . Compared to those early machines , today's computers are . Not only they are thousands of times , they can fit on your , in your lap , or even in your . work through an of hardware and software . refers to the parts of a computer that you can and touch , including the case and everything inside it . The important of hardware is a tiny rectangular inside your computer called the central processing unit ( CPU ) , or microprocessor . It's the " brain " of your computer ? the part that translates and performs calculations . Hardware such as your , keyboard , mouse , printer , and other are often called hardware devices , or devices .