From a technological standpoint, how are CD, DVD, and Blu-rays alike?  How are they different?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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  1. From a technological standpoint, how are CD, DVD, and Blu-rays alike?  How are they different?

  2. What are the benefits of a SSD over a traditional hard drive?

  3. On a traditional hard drive, what is a track, sector and a block?

  4. Why do we use a QWERTY keyboard as opposed to a more efficiently designed Dvorak keyboard?

  5. What are the advantages/disadvantages of an ink jet vs a laser printer?

  6. Place the following in order from smallest to largest: cache, hard drive, RAM, registers.

  7. What is a monitor’s resolution? Refresh rate?

  8. How does a server differ from a PC?

  9. What steps are involved in the computer’s instruction cycle?

  10. What is machine language?
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