final lessons

final lessons

4th Grade

12 Qs

quiz-placeholder

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final lessons

final lessons

Assessment

Quiz

Computers

4th Grade

Practice Problem

Hard

Created by

Mr T

Used 5+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about the difference between internal and external components?

Internal components are built into the Micro:bit, while external components are not.

internal components are more powerful than external components

Internal components are more expensive than external components.

Internal components help the Micro:Bit to do more projects while external components do not.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the purpose of the 3V pin on the Micro:bit?

To supply power to the Micro:bit

To power external components.

To control the brightness of LEDs.

To send and receive data wirelessly.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not an external component of the Micro:bit?

Green and orange external LEDs

Touch pads.

Press buttons.

The music board

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How fast do the LEDs blink in a police light system?

It depends on the length of the “wait” block

500 milliseconds

1 second

2 seconds

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the purpose of the “wait” block?

To determine how long the LEDs will be on

To turn the LEDs on and off

To set the pins for the LED

To complete the circuit

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many LEDs are required to build a police light system?

One

Two

Three

Four

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the purpose of a traffic light?

To direct pedestrians on the sidewalk

To direct cars on the road

To signal when a train is approaching

To light up the streets at night

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