Определить время и залог глаголов в предложениях
Computing is a concept embracing not only arithmetics, but also computer literacy. 2. We can make the computer do what we want by inputting signals without turning switches on and off. 3. Computers have a means of communicating with the user. 4. Computers work according to the instructions given to it by users. 5. The transistor invented in 1948 completely changed the vacuum tubes.