The word computer is derived from the verb 'compute' which means 'to calculate'.
Speed -Can perform complex operations at very high speed.
Accuracy - Can perform calculation accurately. If data entered into a computer are correct, the result will be accurate.
High Storage Capacity- Can store a huge amount of data in a small space. Stored data can be retrieved instantly.
Diligence - Does not suffer boredom, tiredness or lack of concentration. Will perform millions of operations with the same accuracy and speed as the first one.
Versatility- Computers can do different types of jobs efficiently.
Limitations:
Computers Lack Emotions.
Computers cannot take decisions on their own.
An Expert System is a computer system that has decision making capabilities like a human