James Tam Basic Logical Operations (Fascinating) In this section you will learn what are the basic logical operations and how to evaluate different expressions.

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Presentation transcript:

James Tam Basic Logical Operations (Fascinating) In this section you will learn what are the basic logical operations and how to evaluate different expressions

James Tam Logical AND Truth table XYX AND Y False TrueFalse TrueFalse True Logic gate Truth table XYX AND Y

James Tam Logical AND: An Example TTFFTF ANDFTFTTF FTFFTF

James Tam Logical OR Truth table XYX OR Y False True FalseTrue Truth table XYX OR Y Logic gate

James Tam Logical OR: An Example TTFFTF ORFTFTTF TTFTTF

James Tam Logical NOT Truth table XNot X FalseTrue False Logic gate Truth table XNot X 01 10

James Tam Logical NOT: An Example TTFFTF NOTFFTTFT

James Tam Logical NAND Truth table XYX AND YX NAND Y False True FalseTrueFalseTrue False True False Logic gate Truth table XYX AND YX NAND Y

James Tam Logical NAND: An Example TTFFTF ANDFTFTTF FTFFTF NANDTFTTFT

James Tam Logical NOR Truth table XYX OR YX NOR Y False True FalseTrue False TrueFalseTrueFalse True False Truth table XYX OR YX NOR Y Logic gate

James Tam Logical NOR: An Example TTFFTF ORFTFTTF TTFTTF NORFFTFFT

James Tam Logical Exclusive OR (XOR) Truth table XYX XOR Y False True FalseTrue False Logic gate Truth table XYX XOR Y

James Tam Logical XOR: An Example TTFFTF XORFTFTTF TFFTFF

James Tam Why Bother With Logic (Gates And Computers)? Bill Gates, Chairman and Chief Software Architect of Microsoft™

James Tam Reasons For Learning About Logic Hardware perspective The computer is built using logic circuits Software perspective Logic is common-place in computer programs

James Tam Summary The different types of logical operations that a computer may perform AND OR NOT NAND NOR XOR How logic gates form an important part of computers