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Herbert J. Bernstein Professor of Computer Science
Dept. of Mathematics and Computer Science, 150 Idle Hour Blvd., KSC 121, Oakdale, NY 11769-1999

## 91324 CSC 2060N -- Computer Organization -- Fall 2012 Online Course Quiz 1

This web page is http://www.bernstein-plus-sons.com/.dowling/CSC2060F12/CSC2060_Quiz_1.html

This is the weekly quiz for 11 September 2012 for the CSC 2060 course. Please do this quiz after you have completed the rest of assignment 1. It should take between one half hour and 2 1/2 hours to complete if you are well prepared, longer if not.

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1. Explain each of the following gates and give a truth table relating output to input: NOT, NAND, NOR, AND, OR

2. The textbook does a poor job of discussing DeMorgan's law, but is does show you how to replace both AND and OR gates with just NAND gates or with just NOR gates. Explain how to replace one NAND gate with one OR gate and with two NOT gates. Explain how to replace one NOR gate with one AND gate and two NOT gates. Give truth tables. If you do that you will have stated DeMorgan's law.

3. The absorption law states that A(A + B) = A and A + AB = A. Prove the absorption law with truth tables.

4. Show how to write a Hello World program in C.

6. Give your Skype ID and the version number of Skype you have installed.

8. Give the URL of your Google Blogger blog for this course. Note that you should have written your blog entries before you answer this question.

9. What does a computer do and what are its major components?

10. What is a system call?

11. Summarize the three most important things you learned in Prof. Raman's first lecture.

12. Summarize the three most important things you learned in Prof. Raman's second lecture.

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Updated 2 September 2012.