Which of the following words is coined through ‘Back-formation’ ?( ) A: xerox B: rugby C: typewrite D: zigzag

Which of the following words is coined through ‘Back-formation’<br/>?() A: xerox B: rugby C: typewrite D: zigzag

Small as it is, a personal computer can perform the same program instructions as ( ). A: typewrite B: printers C: larger computers D: human beings

My boss asked me to answer the phone, to take all messages, and some letters. A: to type B: typing C: type D: typewrite