Computer Networking
网络课件
双语教学
模拟实验
计算机网络教研室
CHAPTER 5
LOCAL DATA CODING
1
The first section
2
Exercises
3
Online lecture
Department of Computer
Networking Application
Chapter 5 Data coding
5.1 INTRODUCTION
In this chapter, we will study the way in which
data are coded when they are transmitted on a
network or stored in computers.
5.2 TWO-STATE PHENOMENA
we call two-state systems binary systems.
Use the binary digits 1 and 0
The term binary digit is abbreviated bit.
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Chapter 5 Data coding
课后习题
Exercises
1.The unique sequence of bits assigned to represent the
various characters of a code are called （ D ）.
× A、 code points
× B、 control characters
× C、 character algorithms
√
D、 character assignments
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Answer
Chapter 5 Data coding
课后习题
Exercises
2. The coding system that has enough bit combinations to
encode all of the characters in all of the worlds languages is
Unicode .
called ___________
Answer
3.Three major types of data compression are called
____________________,
character compression ____________________,
run length encoding
and
____________________
character stripping
.
Answer
Chapter 5 Data coding
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