Appendix A
Answers to “Check Your Understanding” Questions
Chapter 1
1. A and B. Components such as the BIOS, hard drive, and expansion slots communicate with the CPU via the Southbridge chipset.
2. C. High-end desktop and gaming computers use the EPS 12V power supply form factor. It is also used in servers.
3. C. Augmented reality (AR) superimposes images and audio over the real world in real time. It does allow ambient light and does not require headsets all the time.
4. D. A biometric identification device is an input device that can identify a user based on a unique physical feature such as a fingerprint or voice. A digitizer is used with a stylus pen to design and create images or blueprints. A scanner is used to digitize an image or ...
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