June 2005
Beginner to intermediate
336 pages
9h 18m
English
Content preview from Switching Theory and Logic Design
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1
Introduction and Number Systems
LEARNING OBJECTIVES
After studying this chapter, you will know about:
- Number systems.
- Binary, octal and hexadecimal notation.
- Representation of negative numbers using 1′s and 2′s complement arithmetic.
- Codes, error detection, error correction, hamming code.
1.1 INTRODUCTION
Logic circuits, also referred to as switching circuits or digital circuits, perform logical functions involving mental processes. One of the simplest examples of a logic circuit is the staircase lighting circuit, which consists of a bulb controlled from two switches, situated at two ends of the staircase, in accordance with a certain logic. It is an EXCLUSIVE OR logic gate. Traffic signalling and control of elevators are examples of ...
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