Integrated Circuits Questions & Answers | MCQs on ICs

Integrated Circuits Questions & Answers : MCQs on ICs are helpful for competitive exams on Electrical Engineering.

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1. Which of the following statements is not true for an integrated circuit?

(a) Integrated circuits are basically microelectronic circuits

(b) Integrated circuit is basically a complete circuit

(c) Integrated circuits are very small in size

(d) Integrated circuits consists only of active circuit components.

2. Microprocessors are

(a) small-scale integrated circuits (SSI)

(b) medium-scale integrated circuits (MSI)

(c) large-scale integrated circuits (LSI)

(d) very-large scale integrated circuits (VLSI).

3. Logic gate is an example of

(a) SSI (b) MSI

(c) LSI (d) VLSI.

4. Which of the following is a timer?

(a) IC 741 (b) IC 555

(c) IC 78XX (d) IC 79XX.

5. For which of the following functions op-amps are not used

(a) integrator (b) differentiator

(c) summing amplifier (d) voltage regulator.

6. An RS flip-flop is an integral part of

(a) IC 555 (b) IC 741

(c) MC 1741 (d) IC 78XX.

7. A IC 555 will have

(a) 2 comparators, 1 RS flip-flop, 1 discharge transistor

(b) 2 comparators, 2 RS flip-flop, 1 discharge transistor

(c) 1 comparator, 2 RS flip-flop, 1 discharge transistor

(d) 1 comparator, 1 RS flip-flop, 1 discharge transistor.

8. Which of the following is not a voltage regulator IC?

(a) IC 7805

(b) IC 7808

(c) IC 7812

(d) IC 741.

9. An operational amplifier (op-amp) is basically

(a) a negative feedback amplifier

(b) a positive feedback amplifier

(c) a low-gain amplifier

(d) none of these.

10. Which of the following statements is not true?

(a) Logic gates, flip-flops, counters, shift registers, etc. form a digital integrated circuit

(b) The NAND or NOR gates are the universal building block of digital systems

(c) TTL stands for transistor–transistor logic

(d) In an integrated circuit only active components incorporated in a single chip.

Answers

1. (d) 2. (a) 3. (b) 4. (d) 5. (a) 6. (a) 7. (a) 8. (d) 9. (a) 10. (d)

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