一个字节包括（）个二进制位。 A.8 B.16 C.32 D.64

Steve Jobs was one of the fathers of the personal computing time and the founder of Apple. He was also one of the giants of the information age. Here are some of his greatest contributions.

Apple II Jobs and Steve Wozniak founded Apple Computers Inc. in 1976. A year later, the Apple II was invented. This production was the world’s first mass-market personal computer.	The iMac Under Job’s leadership, Apple introduced the all-in-line iMac computer in 1998. the iMac became the first machine, which offered only a CD-ROM slot.
The iPad By 2010, Steve Jobs was confident. The world was ready to have a tablet computer that would be great for watching movies and playing games. The touch-sensitive iPad is a great success.	iPhone 4s iPhone 4s came out on October 4, 2011, in America. It looks like iPhone 4. It has a larger and wider screen and a slimmer yet wider case. It has a better camera and faster data transfer speeds.

小题1: The Apple II was invented ________.

A．In 1976.

B．In 1977.

C．In 1998.

D．In 2010.

小题2:From the passage, we can know that the iPad ________.

A．has a better camera	B．is the first personal computer
C．has a CD-ROM slot	D．is great for watching movies

小题3: According to the passage, which of the following is True? 

A．IPhone 4s’ screen is the same size as iPhone 4.

B．IPhone 4s has a larger and slimmer case than iPhone 4.

C．IPhone 4s uses less time to transfer data than iPhone 4.

D．IPhone 4s with an improved camera is cheaper than iPhone 4.