|
|
Article: Questions and answers for kids. (Originated from Knight-Ridder Newspapers)
- Article from:
- Knight Ridder/Tribune News Service
- Article date:
- October 10, 1994
- Author:
CopyrightCOPYRIGHT 1994 Knight-Ridder/Tribune News Service. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
Q. How much electricity does it take to operate a computer? _Robert Stoerrle, Philadelphia
A. Different computers take different amounts of energy. For example, a basic personal computer takes about as much as a light bulb _ about 94 watts. A fancier personal computer that can function faster and do more things takes about 170 watts. The average laptop computer takes only about 9 watts of electricity. A laser printer operates on 135 watts.
Q. How many varieties of fruit are there? _Janet Reynolds, Philadelphia
A. Most of us think of things such as apples and oranges as fruit. But to a scientist, especially a botanist, there's a difference between the scientific use ...