Check Your Computer Science IQ Before you begin this chapter, see what you already know about computer science by taking the chapter pretest. The pretest is available at a a www.g-wlearning.com. People face problems all the time. A problem m is something that needs to be worked out or solved. v Thinking about a problem can help find solutions n to that problem. Better yet is to think about a probleml in a systematic way. A problem-solving model he elps organize the human thought process on the way y to a solution. Computers do not solve problems on their own. o They merely calculate results according to a set o of rules. These rules are created by humans. Humans have v to do the thinking, planning, and writing of algorithms. h Computers are used late in the problem-solving process. They follow the set of rules humans have v created through coding. Based on these rules an nd the computer’s calculations, the computer can present e a solution to a problem.mleob solution t o a pr In what ways can good problem- solving skills advance your career? 23