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Design and Technology

Electronics

Logic and microcontrollers - Test

1.

What type of signal is produced by a thermistor or a light-dependent resistor?

2.

In a flowchart, what shape of box represents a decision?

3.

Which type of logic gate can be represented by two switches in series?

4.

A circuit contains several logic gate integrated circuits. Which of the following would be an advantage of redesigning it to use a microcontroller?

5.

A simple lighting circuit contains two switches. If EITHER switch is pressed a lamp will light. What type of logic gate is represented by the two switches?

6.

How many possible output combinations are there from two digital signals?

7.

A push-to-break switch could be used to make a mechanical version of which type of logic gate?

8.

What is represented by a rectangular box in a flowchart?

9.

Which of the following statements about microcontrollers is FALSE?

10.

What is the purpose of a pull-down resistor?