Introduction to Digital Systems – 32

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32. Which of the following is not an analog device?

(a) Thermocouple
(b) Current flow in a circuit
(c) Light switch
(d) Audio microphone

Answer

Answer : (c)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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Introduction to Digital Systems - 88
555555555588. In a typical digital system, Logic 0 is 0V–0.8V, and Logic 1 is ________. (a) 2–5V (b) 2.5–5V (c) 3.0–5.5V (d) 3.5–5.5V
Tags: digital, introduction, systems, electronics, engineering
Number Systems - 59
555555555559. The 1's complement of 10011101 is ________. (a) 01100010 (b) 10011110 (c) 01100001 (d) 01100011
Tags: systems, electronics, engineering
Introduction to Digital Systems - 34
555555555534. How many binary bits are necessary to represent 748 different numbers? (a) 9 (b) 7 (c) 10 (d) 8
Tags: introduction, digital, systems, electronics, engineering
Introduction to Digital Systems - 48
555555555548. What is the decimal value of 2–1 ? (a) 0.5 (b) 0.25 (c) 0.05 (d) 0.1
Tags: introduction, digital, systems, electronics, engineering
Number Systems - 66
555555555566. 3 × 101 + 7 × 100 is equal to ________. (a) 3.7 (b) 37 (c) 10 (d) 370
Tags: systems, electronics, engineering

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