Computer Science: An Overview: Global Edition (12th Edition)

Published by Pearson Higher Education
ISBN 10: 1292061162
ISBN 13: 978-1-29206-116-0

Chapter 2 - Data Manipulation - Section 2.5 - Communicating with Other Devices - Questions & Exercises - Page 120: 1

Answer

a. 37B5 b. One million times c. No. A typical page of text contains less than 4000 characters. Thus the ability to print five pages in a minute indicates a printing rate of no more than 20,000 characters per minute, which is much less than one million characters per second. (The point is that a computer can send characters to a printer much faster than the printer can print them; thus the printer needs a way of telling the computer to wait.)

Work Step by Step

a. 37B5 b. One million times c. No. A typical page of text contains less than 4000 characters. Thus the ability to print five pages in a minute indicates a printing rate of no more than 20,000 characters per minute, which is much less than one million characters per second. (The point is that a computer can send characters to a printer much faster than the printer can print them; thus the printer needs a way of telling the computer to wait.)
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