Further binary, Logic diagrams and truth tables

Slides:

Advertisements

Similar presentations

Advertisements

CT455: Computer Organization Logic gate

Computer Science 210 Computer Organization Introduction to Logic Circuits.

Programmable Logic Controllers.

Digital Electronics Dan Simon Cleveland State University ESC 120 Revised December 30, 2010.

In this module you will learn: What the various logic gates do. How to represent logic gates on a circuit diagram. The truth tables for the logic gates.

3. DIGITAL ELECTRONICS..

Chapter 4 Gates and Circuits. 4–2 Chapter Goals Identify the basic gates and describe the behavior of each Describe how gates are implemented using transistors.

Module 3.  Binary logic consists of :  logic variables  designated by alphabet letters, e.g. A, B, C… x, y, z, etc.  have ONLY 2 possible values:

LOGIC GATES Logic generally has only 2 states, ON or OFF, represented by 1 or 0. Logic gates react to inputs in certain ways. Symbol for AND gate INPUT.

Chapter 4 Gates and Circuits. Integrated Circuits aka CHIPS What’s in this thing???? 4–2.

TODAY YOU ARE LEARNING to explain why data is represented in computer systems in binary form 2. to understand and produce simple logic diagrams.

LOGIC GATES A logic gate is an elementary building block of a digital circuit.digital circuit Most logic gates have two inputs and one output terminals.

1 The Chinese University of Hong Kong Faculty of Education Diploma in Education (Part-Time) Winter 1997 Educational Communications and Technology Assignment.

Eng. Mohammed Timraz Electronics & Communication Engineer University of Palestine Faculty of Engineering and Urban planning Software Engineering Department.

Week 6: Gates and Circuits: PART I READING: Chapter 4.

Sneha.  Gates Gates  Characteristics of gates Characteristics of gates  Basic Gates Basic Gates  AND Gate AND Gate  OR gate OR gate  NOT gate NOT.

Exclusive OR Gate. Logically, the exclusive OR (XOR) operation can be seen as either of the following operations:exclusive OR (XOR) 1. A AND NOT B OR.

4. Computer Maths and Logic 4.2 Boolean Logic Logic Circuits.

Beath High School - Int 1 Physics1 Intermediate 1 Physics Electronics Glossary AND gate to device digital signals to inverter LDR to logic circuit logic.

COMPUTER ARCHITECTURE TRUTH TABLES AND LOGIC GATES.

Logic Gates. AND gate Produces an output only if both inputs are on Input AInput BOutput (Q) Q=

Chapter 33 Basic Logic Gates. Objectives After completing this chapter, you will be able to: –Identify and explain the function of the basic logic gates.

4–1. BSCS 5 th Semester Introduction Logic diagram: a graphical representation of a circuit –Each type of gate is represented by a specific graphical.

LOGIC CIRCUITLOGIC CIRCUIT. Goal To understand how digital a computer can work, at the lowest level. To understand what is possible and the limitations.

LOGIC GATES. INTRODUCTION TO LOGIC GATES Boolean functions may be practically implemented by using electronic gates. The following points are important.

Logic Gates Learning Objectives Learn that there is a one-to-one relationship between logic gates and Boolean expressions Learn how logic gates are combined.

Author : Khairi LOGIC GATES Logic gate Input Output  Logic gates are electronic switches with one or more input but only one output ogic gates are commonly.

Logic Gates Unit 16.

Creating logic gates with Minecraft

Basics of Logic gates - Part 2

Dr.Ahmed Bayoumi Dr.Shady Elmashad

Lesson Objectives Aims You should be able to:

Minecraft Logic Gates!.

Exclusive OR Gate.

Chapter 2.3 Binary Logic.

KS4 Electricity – Electronic systems

KS4 Electricity – Electronic systems

Digital Signals Digital Signals have two basic states:

Basic Digital Logic Basic Gates

Practice #Digital Logic Mr. Burleson

CS105 Introduction to Computer Concepts GATES and CIRCUITS

Computer Science 210 Computer Organization

Agenda – 2/12/18 Questions? Readings: CSI 4, P

Thursday, 22 November 2018 Logic Gates

Universal gates.

Waveforms & Timing Diagrams

JC Technology Logic Gates.

Boolean Algebra.

KS4 Electricity – Electronic systems

GCSE Computer Science – Logic Gates & Boolean Expressions

DIGITAL ELECTRONICS B.SC FY

Today You are Learning simple logic diagrams using the operations AND, OR and NOT truth tables combining Boolean operators using AND, OR and NOT.

Chapter 4 Gates and Circuits.

Digital Logic Experiment

Department of Electronics

Boolean Algebra and Gate Networks

Introduction to Logic diagrams and truth tables

Introduction to Logic diagrams and truth tables

What are Logic Gates?.

Agenda Lecture Content: Combinatorial Circuits Boolean Algebras

Presentation transcript:

Further binary, Logic diagrams and truth tables

Starter In pairs answer these questions What does Boolean mean? Can you think of different sensors? Why would use a not gate with a light sensor? What is a transistor?

What is a transistor? Transistors are tiny electronic switches and amplifiers. Several thousand transistors can be put on a piece of silicon with a surface area of just 1mm2. Transistors have three main uses: as an electronic switch within a circuit to switch on another part of a circuit when a change in resistance of a sensor device is detected as an interface device, to receive signals from low current devices (such as ICs) and use these to turn on high current devices (such as motors)

Learning Objectives Application of logic circuits and truth tables using binary. Learning Outcomes All – will recognise symbols All - will be able to apply truth tables to questions Most - will correctly work through tables. Some – will be able to recognise and create real world examples.

And Gate

Or Gate

Not Gate

AND gate Input A Input B Output (Q) 1 Produces an output only if both inputs are on Input A Input B Output (Q) 1

OR Gate Input A Input B Output (Q) 1 Produces an output when one or the other input are active…. Input A Input B Output (Q) 1

NOT Gate Input (A) Output (Q) 1 A NOT gate inverts its input 1 could play the opposite game?

Nand

Nor

Xor (Exor)

NOT AND = NAND Input A Input B A.B Output (Q)=A.B 1

NOT OR = NOR Input A Input B A+B Output (Q) A+B 1

XOR – Exclusive OR Input A Input B Output (Q) 1

Application

Answer

application

Application Seat belts in a car Could you add something? Do you always need all seat belts done up? Could you draw a new one, have a go.

Problems Number of seats. Not gates on switch going to Or gates perhaps?

Application. Do the truth table for this? What use could do with this?

Mark each others Are they correct.

What you have to do? D E F

You can create this in a spreadsheet using functions B C D E F Y 1 Try writing this in English? Eg: If A, B and C are off then nothing happens.

Plenary Finally: Logic gates: Not, And, Or, Nand, Nor and Xor. Truth tables. Binary (binary addition) Addition using logic gates i.e. how a computer works.

Prep Revision