Quiz on Electronic Systems

What is an example of a device that produces an analogue signal?

• A switch

• A thermistor

• A microcontroller

• An LED

What is the main advantage of using microcontrollers over single process ICs?

• They are cheaper

• They are larger

• They can perform multiple tasks

• They require more components

What is the main characteristic of a digital signal?

• It varies continuously

• It is always high

• It is either on or off

• It has infinite values

What type of signal would you get from a switch?

• Analogue signal

• Digital signal

• Continuous signal

• Variable signal

What is the graphical representation of an analogue signal?

• A series of square waves

• A continuous wave

• A series of dots

• A straight line

What are microcontrollers also known as?

• Peripheral interface controllers

• Integrated circuits

• Timing devices

• Flowchart processors

What are the two types of timers used in electronic systems?

• Monostable and astable

• Stable and unstable

• Fast and slow

• Digital and analogue

What is a characteristic of the monostable process?

• It remains on indefinitely

• It turns on for a set period of time

• It never turns off

• It turns on randomly

What is the main benefit of microcontrollers over the 555 timer?

• They are more expensive

• They are more versatile

• They are less reliable

• They are larger

What is the stability state of a monostable device when it is not triggered?

• Stable in the on position

• Stable in the off position

• Unstable in the on position

• Unstable in the off position