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close this bookDigital Teaching Aid (DED Philippinen, 86 p.)
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close this folderFundamental Logic Operations - Lesson 1
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close this folderIntroduction Boolean Algebra - Lesson 2
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close this folderCircuit Analysis and Design - Lesson 3
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close this folderKarnaugh Mapping - Lesson 4
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close this folderKarnaugh Mapping II - Lesson 5
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close this folderCoding - Lesson 6
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close this folderFlip-Flops - Lesson 7
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close this folderCounter - Lesson 8
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close this folderData Processing Circuits - Lesson 9
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Second Evaluation

No. 1 In a workshop two machines are driven by an electric motor

Power consumption:

motor A = 1 KW


motor B = 2 KW

For a new machine of which its motor C receives the power of 4 KW, the maximum main power of Pmax = 4 KW is sufficient only if the two other machines (A and B) are not switched on. Design a circuit which supplies a warning signal Q if a power higher than 4 KW is taken from the main power system by the three machines.

- Truth table
- Karnaugh map
- Logic circuit

No. 2 For a display of the figures 1-6, in the well known spot configuration of a game die, design the code conversion circuit. At the input the figures are binary coded.

T, U, V, W, X, Y, Z are output variables (LED's)

- Truth table
- Karnaugh map
- Logic circuit


Figure

No. 3 Design a JK Flip Flop with NAND and AND gates.

- Logic circuit
- Truth table

No. 4 Design a D Flip Flop. Use only NAND gates.

- Logic circuit
- Truth table