Book 1 Chapter 1 - block diagrams

Question 1

What are the three sections in an electronic subsystem

Answer 1

1. Input sensors
2. Signal processing
3. Output devices

Question 2

What do input sensors do

Answer 2

Convert non electrical signals into an electrical form

Question 3

Different types of sensors

Answer 3

Switch unit
Light sensing unit
Input voltage unit
Moisture sensor
Reed/magnetic switch
Pulse generator unit
Temperature sensing unit

Question 4

What do output devices do

Answer 4

Receive the signal and change the electrical signal into another form.

Question 5

What are the different output devices

Answer 5

Lamp
LED
Buzzer
Motor
Solenoid
Actuator
Loudspeaker

Question 6

What are the two types of signal processing

Answer 6

Drivers - a driver is always needed directly before an output
Logic units - they are digital processing units

Question 7

Different types of gates

Answer 7

Inverter / Not gate
AND gate
NAND gate
OR gate
NOR gate

Question 8

What are the three other types of processing unit you can have

Answer 8

Delay unit
Latch unit
Comparator unit