The（72) is the primary device for entering information into the computer.A.diskB.keyboardC

Most personal computers are equipped with a （) as the primary input device.A.CPUB.mouseC.d

The device that most commonly utilizes the principle of electromagnetic induction is the__

The primary task of the compressed air system is to deliver the starting air necessary for

● The display screen is the most common （72） device used to show you what the computer is

●In the following, the input device is （72) ．（72)A． keyboard B． monitor C． printer D． plot

Which one is not true according to the article？A.Email is the primary means of internal