Which of the following statements concerning expert systems is false? a. the blackboard displays the recommendation. b. an expert system can explain its recommendation. c. the knowledge base contains rules. d. expert systems cannot learn from their own mistakes. e. the knowledge base contains facts?

Kali, a python programmer, is using the turtle module to write the word “hello.” which code should she use to indicate the location to begin writing the word? a # pick up the turtle and move it to its starting location. b penup(-100, 200) goto() pendown() c penup() goto(-100, 200) pendown() d # pick up the turtle and move it to (-100, 200)

Requirement types discussed during software development include functional and color scheme nonfunctional and code style constraint and nonfunctional fashionable and functional.

People with high self-esteem: accept their strengths and weaknesses. believe that failed experiences are failures of their whole self. feel good about who they are only when they reach total success. need positive external experiences to counteract negative feelings that constantly plague them.