# Electronic Essentials: Analogue and Digital Signals, Binary Operations and Logic Gates Practice Questions

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17.1Electronic Essentials: Analogue and Digital Signals, Binary Operations and Logic Gates

## Electronic Essentials: Analogue and Digital Signals, Binary Operations and Logic Gates Revision Questions

1. Which of the following expression corresponds to the logic diagram shown in the figure? 1. A ∙ B + A ∙ C
2. (A + B) ∙ (A + C)
3. A ∙ B + C
4. A ∙ B + A ∙ C

2. The number 11010011 in the binary system corresponds to .. in the decimal system.

1. 422
2. 211
3. 208
4. 115

3. What are the inputs of A and B if the output of the logic diagram shown below is 1 and the input C is 0? 1. Input A = 0 and input B = 0
2. Input A = 0 and input B = 1
3. Input A = 1 and input B = 0
4. Input A = 1 and input B = 1

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