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Unit 18: Electronics

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1

A relay is an electrically operated:

2

Which signal type is more resistant to noise?

3

Which biasing allows maximum current through a diode?

4

In reverse biasing of a diode, the width of depletion region:

5

In a transistor, current amplification occurs due to:

6

Digital electronics deals with signals that are:

7

Which logic gate gives output 1 only when both inputs are 1?

8

An LED emits light when it is:

9

Which device is considered the brain of digital systems?

10

The region around a PN junction that is free of charge carriers is called:

11

A quantum computer is based on:

12

Which device has three terminals named emitter, base, and collector?

13

Which device converts electrical signals into light?

14

Which material is commonly used as a semiconductor?

15

A transistor is mainly used for:

16

When a diode is forward biased, it:

17

Which impurity is added to make a P-type semiconductor?

18

Which logic gate inverts the input?

19

Which gate is known as a universal gate?

20

Which electronics field is mainly used in computers?

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