Which of these was the first era of computing concerned with? Choose one 1. Computation

2. Communication

3. Electronic commerce ​

All of the following are characteristics that must be contained in any knowledge representation scheme except

You are asked to calculate an object's velocity, in order to do so you must know the object's a. direction and speed. b. distance and time. c. speed and distance. d. direction and distance.

When you “listen” to evaluate an online message, which question should you ask?