1. Chapter 3: Electronics & Computers

2. Where are the instructions to start a computer stored?  ROM

3. The volume of a radio travels as what type of signal?  Analog

4. What are semiconductors?  Semiconductors have high electrical conductivity. They are better conductors of nonmetals, and they are worse conductors than metals.

5. Where are the instructions that tell a computer what to do?  In the memory of the computer

6. What number system is used by a computer to store information?  Binary (2 numbers: 1 and 0)

7. Why are flash drives more useful than the hard disk of a computer?  Flash drives are portable, and a hard disk of a computer is not.

8. What are some examples of software?  Word processing programs  Games  PDF reader  iTunes

9. What is hacking?  Hacking is illegally gaining access to a computer system.

10. What is our number system?  Base 10

11. What is a p-type semiconductor?  One that can accept electrons.

12. Which signal has continuous, smooth values?  Analog

13. Name the device that acts as a switch in our computers.  Transistor

14. What are Java and C++?  They are programming languages.

15. What kind of device is a computer (electrical or electronic)?  Electronic

16. Labs  Go over each of our labs and make a connection from that lab to the concept we were learning in class.

17. Short Answer  Compare and contrast RAM and ROM.

18. Short Answer  What is a diode?  Tell why it conducts current in only one direction.

19. Short Answer  Know electrical devices.  Know electronic devices.  Know examples of both.

20. Short Answer  Compare and contrast Analog and Digital signals.  Give examples of each.

21. Short Answer  Know input devices.  Know output devices.  Know one that can be both.

22. Short Answer  Explain why the transistor is such an important device.

23. Short Answer  What is a computer network?  How do we use the computer network?