List and briefly explain the main characteristics of computers.

Here are the characteristics of computers based on your notes:

1. Word Length: This refers to the measure of computing power of a computer. The longer the word length, the more powerful the computer.
2. Speed: Computers can perform calculations at a very high speed.
3. Storage: A computer can store a large amount of data.
4. Power of Remembering: A computer has the power of storing any amount of information and data. Any information can be stored and recalled as long as you require it for any number of years.
5. Accuracy: The accuracy of the computer system is very high.
6. Versatility: Computers are very flexible machines. They can perform activities ranging from simple calculations to complex modeling and simulation, to navigating missiles and satellites.
7. Automation: The level of automation achieved in computers is phenomenal.
8. Diligence: This means being constant and earnest in effort and application.