Automatic: it works itself without any human invention. Once started a job, it can carry out the job.
Power of remembering: A computer can stored and recall any amount of information because ofits secondery storage. As a human being acquires new knowledge out human brain select what is important to store.
Speed: A computer is a very fast device. It can perform in few seconds.
Accuracy: The accuracy of computer system is consistently high. A computer system perform every calculation with same accuracy.
Diligence: A computer system is free from tiredness, monotony and lack of concentration. It can works hours by hours with no errors.
No IQ: computer system IQ is zero. It can not take its own decisions.
