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????? ???????? . ????? ????? ?? ????? ?????????????? ????? ??????? ???????? ?????????????? ????????? ???????? ?????? ?????????? ???????? ???????? ???? ?????????? ?? ??? ??????? ??? ???????? ???????? . 3. ????? ?????. Lessons In Electric Circuits Volume III By Tony R. Jones 5th Edition ,200

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    1. ???? ????? ??????? ???????? ??????? ????? ??????? ?????? ?????? ?????? 1

    2. ????? ???????? ??? ????? ???????? ??? ?? ???? ?????? : ??? ???? ??????? ???????? ????? ????? ???? ??? ????? ???????? ???????? ?????? ?????? ??? ????? ?????? ??????? ??? ???????? ???????? (?????? ?? ??????) 2

    3. ????? ???????? ????? ????? ?? ????? ???????? ?????? ????? ??????? ???????? ??????? ??????? ????????? ???????? ?????? ????? ????? ???????? ???????? ???? ????? ????? ?? ??? ??????? ??? ???????? ???????? 3

    4. ????? ????? Lessons In Electric Circuits Volume III By Tony R. Jones 5th Edition ,2007 Fundamentals of Digital Logic and Microcomputer Design By Morris Mano,5th Edition,2009 ??????? ???????? ?????????? ???????-??????? ?????? ??????? 2006 ?????? ??????? –??????? ??????? ???????? www.arab-eng.org ???? ????? ????????? www.alhandasa.net???? ??????? ??????? 4

    5. ?????? ??????? ????????? ??????? ??????? ????? ??? ??????? ????????? ???????? ??????? ????????? ??????? ????????? ???????? ??????? 5

    6. ??????? ????????? ???????? ?????? ????? ???????? ???????? : ?? ????? ?????? ?????? ???? ???? ?? ????? ????? ???? ???? ???. ?????? ?????? ????? ??? ??????? ??? ???? ?? ??????? ???????. ??? ?????? ?? ?????? ?? ?????? ( ????? ? ???? ) ????? (1) (High) ? ????? (Low) ?? (0) .?????? ??? ???????? ???? ????? ??????? IC ) )????? ??????? ???? ??? ?????? ?? ????????. ???? ????? ((Truth Table:?? ?????? ???? ???? ??????? ??? ?????? ?????? ??????? ???????? . 6

    7. ????? ???????? ???????? ???? ????? ??? ??? ??????? ?? ???? ????????: ????? "??" ???????? (NOT) 7

    8. ????? ???????? ???????? ???? ????? ??????? ???????? " ?“(AND) : ??? ??????? ???? ???? ????? ?? ?? ?? ???????? ???? ??? ??? ??? ??? ????? 0 ???? ????" " false ?????? 1 ???? "" true ????? ?????? "" true ?? 1 ????? ???? ??? ???????? 1 ???? ??? ???? ???. 8

    9. ????? ???????? ???????? ???? ????? .??????? ???????? "??" (OR) ??? ????? 9

    10. ????? ???????? ???????? ???? ????? ??????? ???????? " ?,??“ (NAND) ?? ????? ????????? ?????????? "?" ?" ??” (AND & NOT )?? ???? ????? AND ?????? ?????? NOT 10

    11. ????? ???????? ???????? ???? ????? ??????? ???????? " ??,??" ???????? (NOR) ?? ????? ??????? ???????? "??" ?"??” (NOT ,OR )?? ???? ???? ???????? ??? ??????? ???????? "??” (OR gate)?? ???? ?????? ???? ??? "??" (NOT gate) 11

    12. ????? ???????? ???????? ???? ????? ??????? ???????? XOR (exclusive-OR) ????? ??? ??????? ??? ???? ""either/or. ??????? ???? 1 ” true“??? ??? ??? ??? ??????? 1 "" true ???? ??? ????????. ????? ?????? 0 "" false ??? ??? ?? ??? ???????? 0 "" false ?? ?????? 1 "" true 12

    13. ????? ???????? ???????? ???? ????? ??????? ???????? XNOR (exclusive-NOR) ??? ????? ?? ????? ?????? XOR ?????? ?????? NOT ?? inverter . ??? ??? ?????? ???? ?????? 1 "" true ??? ??? ???????? ???????? . ????? ?????? 0 "" false ??? ???? ??????? ?????? . 13

    14. ????? ???????? ???????? ???? ????? ??? ??? ???? ????? ???? ???? Buffer ?????? ?????? ??? ???????? ???????? ????? ????? ?????? ?????? . 14

    15. ????? ???????? ??????? ?? ?????? (Boolean Algebra)????? ????? ???????? ???? ?????? ?????? ????? ???? ??? ???? ???????? ????????. (Boolean Expression)??????? ???????? ?? ????? ?????? ?????? ???? ???? ?? ????? ??????. NAND Y=A.B Y=AB 1- A + 0 = A 2- A + 1 = 1 3- A . 0 = 0 4- A . 1 = A 5- A + A = A 6. A + AB = A 15

    16. ????? ???????? ??????? ?? ?????? ????? ?????? ?? ?????? ???? ???? ?? ????? ???????? ???? ???????? ?????? ?????? ?????? ????????? ??????? ?? ????? AND???????? ??? ????? OR ???????. ____ _ _ A+B=A. B ? ? 16

    17. ?????? ???? ???????? ??????? ???? ??????? ???????? ? ?? ???? ??????? ??????? ???????? ??? ???????? ???????? ???? ????? ?? ?? ???? ????? ? ?? ????? ??? ????? ??????? ???????? ”?“ ???????? ???????? ”?,??“? 17

    18. ????????????????????? 18

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