you like eating?
your drink?
What you usually for breakfast?
The story of Gauss
One afternoon some boys made a lot of noise in class. The teacher got very a. He kept them in the classroom after school. He told them to add(加) all the numbers from 1 to 100 together.
The boys took out their exercise books. All of them began to write the numbers down except one boy. He was new in the school. He looked out of the window for a few minutes. Then be wrote a number in his exercise book and put up his h.
"May I go home, sir?" he asked." I know the answer now."
The teacher and the other boys were very surprised. They couldn't believe it!
"Bring it here," said the teacher.
The boy took it to the teacher. The answer was r, so the teacher had to let the boy go home.
The next morning, the teacher asked the boy," How did you find the answer so q?"
"Well, sir." he said," I didn't want to s here long. So I tried my best to find the answer quickly. Soon I found it. You see, if you add 100 to you get 101, and 99 and 2 is 101, and 98 and 3 is 101 too, and when your reach 51 and 50, you have 101 fifty times. That is 5050."
After that, the teacher gave the class exercises to do, b he gave this boy different exercises.
The boy's name was Carl Friedrich Gauss. When he grew up, he became a great scientist.
of butter in the plate?
Every year there is a very big Christmas tree in the centre of London, This is the present from the people of Norway to the people of Great Britain. They send it to the Londoners every year and Londoners decorate the Christmas tree. In the evening before Christmas, people like to look at the big tree. On Christmas Eve the streets in London are decorated, too. The shops are very busy at Christmas. People want to buy presents for their family and friends. People open their presents on Christmas morning and they are all happy with what they get. For Christmas lunch people eat turkey, potatoes and green vegetables. Then they have the Christmas pudding. At five o'clock it's time for tea and Christmas cake. On Christmas Day people wish their nearest and dearest friends a merry Christmas.
—The ground floor.
The ENIAC (电子数学积分计算机) was the first modern computer. It was built in 1946 at the University of Pennsylvania (宾夕法尼亚洲). The machine was very big. It was the size of a large room. It was also very heavy. The ENIAC weighed more than 27,000 kilograms. It was very expensive. Plus, it was not easy to use. But it did a good job.
Over the years, computers got smaller and smaller. They also got cheaper and cheaper. First, big businesses got computers. Then, small businesses bought them. Now, people have computers at school, work, and home. Our small computers are much faster than the ENIAC.
Nobody uses the ENIAC now. But we still remember it. It is important in the history of computers.