What ways do software designers enable users to enter commands into computers?
Sound (particular words), keys, numbers, text written into cells, light pens, and keywords (such as sin or tangent). There really is no limit to the ways it can be done. I just thought of others....my computer can take either digital or analog signals in at the serial or other ports (like mouse or joystick commands).
2 answers
how to type very good?
When you press the keys on the key board, and when you play or text on your phone. I hope this helped you ;)