Oral Activity
A: What’s the difference between the second and the third generations?
B: The third generation was controlled by tiny integrated circuits, so they were smaller and more dependable.
A: Now, let’s come to the fourth.
B: Because of the development of microminiaturization technology, the fourth generation of computers is 50 times faster than the third generation and can complete approximately 1,000,000 instructions per second.
A: As we know, the fifth generation of computers, that is, portable computers, has entered into our life such as business area.
B: Yes. The fifth-generation computer has replaced every computer we known..
A: Let’s end our programs today. Thank you, Professor Li.

