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( 产品) was  the world's first mass-market personal computer.	The iMac Under Jobs' leadership Apple  introduced  the all-in-one 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 October4, 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.

When did the iMac first come out?

A．In 1976.

B．In 1998.

C．In 2010.

D．In 2011.

Which one was the oldest?

A．The Apple II.

B．The iMac.

C．The iPad.

D．The iPhone 4s.

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

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.