a) How many bits would be needed to store a photo with 256 pixels horizontal and 256 pixels vertical using 64 grey levels? b) How many bits would be needed to store an audio music on a CD that can play for 3 hours?

a) How many bits would be needed to store a photo with 256 pixels horizontal and 256 pixels vertical using 64 grey levels? b) How many bits would be needed to store an audio music on a CD that can play for 3 hours?

Fundamentals of Information Systems

8th Edition

ISBN:9781305082168

Author:Ralph Stair, George Reynolds

Publisher:Ralph Stair, George Reynolds

Chapter7: Knowledge Management And Specialized Information Systems

Section: Chapter Questions

Problem 19SAT

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Theoretical Computer Science

Usually, computer science seems like a practical field that involves studying, building, and working closely with computers. However, a subclass of this discipline also centers on the mathematical factors of the same. This is called theoretical computer science, and its focal point differentiates it from other branches of computer science: the rigorous mathematical approach it takes. This discipline falls under the umbrella of discrete mathematics, which is the study of countable or discontinuous mathematical structures.

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a) How many bits would be needed to store a photo with 256 pixels horizontal and 256 pixels vertical using 64 grey levels?

b) How many bits would be needed to store an audio music on a CD that can play for 3 hours?

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