DeMorgan's Theorems 9. Apply DeMorgan's theorems to each expression: (a) A + B (b) AB (c) A +B+C (d) ABC (e) A(B + C) () AB + CD (g) AB + CD (h) (A + B)(C + D)

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SECTION 4-3 DeMorgan's Theorems
9. Apply DeMorgan's theorems to each expression:
(a) A + B
(e) A(B + C) (f) AB + CD (g) AB + CD
(b) AB
(c) A + B + C
(d) ABC
(h) (A + B)C + D)
10. Apply DeMorgan's theorems to each expression:
(a) AB(C + D)
(b) AB(CD + EF)
(c) (A + B+C + D) + ABCD
(d) (A + B+ C + D)(AB CD)
(e) AB(CD + EF)(AB + CD)
11. Apply DeMorgan's theorems to the following:
(a) (ABC)(EFG) + (HIJ)(KLM)
(b) (A + BC + CD) + BC
(c) (A + B)(C + D)(E + F)(G + H)
SECTION 4-4
Boolean Analysis of Logic Circuits
12. Write the Boolcan expression for cach of the logic gates in Figure 4-55.
FIGURE 4-55
D
B.
(a)
(b)
(c)
(d)
Transcribed Image Text:SECTION 4-3 DeMorgan's Theorems 9. Apply DeMorgan's theorems to each expression: (a) A + B (e) A(B + C) (f) AB + CD (g) AB + CD (b) AB (c) A + B + C (d) ABC (h) (A + B)C + D) 10. Apply DeMorgan's theorems to each expression: (a) AB(C + D) (b) AB(CD + EF) (c) (A + B+C + D) + ABCD (d) (A + B+ C + D)(AB CD) (e) AB(CD + EF)(AB + CD) 11. Apply DeMorgan's theorems to the following: (a) (ABC)(EFG) + (HIJ)(KLM) (b) (A + BC + CD) + BC (c) (A + B)(C + D)(E + F)(G + H) SECTION 4-4 Boolean Analysis of Logic Circuits 12. Write the Boolcan expression for cach of the logic gates in Figure 4-55. FIGURE 4-55 D B. (a) (b) (c) (d)
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