Appendix A. Answers to the “Do I Know This Already?” Quizzes and Troubleshooting Scenarios

Chapter 2

1. A, B, C, D. The essential computer components listed here are a motherboard (no motherboard means no computer), a CPU or processor (the brain of the computer), memory, and video output (by means of a video card or a video port integrated into the motherboard).

2. A, B, C. You might find all of the listed devices on either the front or back of a computer. Some, such as a USB port, are on both front and back.

3. A, B, C, D. An overheated processor can shut down the computer or cause an unrecoverable error. A loose video card causes a blank display. Hard drive failure results in a non-bootable operating system. And if the additional memory is ...

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