How do Blu-rays, DVDs, and CDs compare technologically?  What distinguishes them? SSDs vs. hard drives: what's the difference? Tracks, sectors, and blocks—what are they on a typical hard drive? Why do we use a QWERTY keyboard instead of a more efficient Dvorak keyboard? What are the pros and cons of laser and ink jet printers? Place the following in order from smallest to largest: cache, hard disc, RAM, registers. The resolution of a monitor. Rate of refreshment? Servers vs PCs: what's the difference? How does a computer work? Machine language—what is it?

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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How do Blu-rays, DVDs, and CDs compare technologically?  What distinguishes them?

SSDs vs. hard drives: what's the difference?

Tracks, sectors, and blocks—what are they on a typical hard drive?

Why do we use a QWERTY keyboard instead of a more efficient Dvorak keyboard?

What are the pros and cons of laser and ink jet printers?

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

The resolution of a monitor. Rate of refreshment?

Servers vs PCs: what's the difference?

How does a computer work?

Machine language—what is it?

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