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Project 2: Buttons and Buzzer

Total questions: 12

Worksheet time: 7mins

Name
Class
Date
1.

What is a buzzer?

a)

A circuit-building platform that allows you to connect multiple components.

b)

Small lights made from a silicone diode.

c)

A component that resists the flow of electricity.

d)

Component that uses a small magnetic coil to vibrate a metal disc inside.

2.

Pushbuttons are also called ______________>

a)

Memory button

b)

Momentary switch

c)

LED switch

d)

None of the above

3.

True of false. Buzzers require pulsing electricity through the coil at different frequencies so sounds can be produced.

a)

True

b)

False

4.

____________ provide is discrete. Meaning the value can be only on or off.

a)

Digital signal

b)

DC Electricity

c)

Analog signal

d)

AC electricity

5.

True or false. Pushbuttons are polarized.

a)

True

b)

False

6.

True or false. Resistors are polarized.

a)

True

b)

False

7.

What is an example of a variable resistor?

a)

Pushbutton

b)

Buzzer

c)

Potentiometer

d)

LED

8.

True or false. A potentiometer is analog.

a)

True

b)

False

9.

____________ provide a range of current values to be produced so a light can be dimmed or brightened for example.

a)

Digital signal

b)

Analog signal

c)

DC Electricity

d)

AC electricity

10.

A pushbutton provides a memory input.

a)

True

b)

False

11.

In electricity, 1 means (a)  

12.

In electricity, 0 means (a)