Electronics

Question 1

Main parts of an electronic system

Answer 1

Input device - inputs a signal of some sort into the system
Control - deciphers inputs or programs that read certain signals
Output device - outputs information and changes depending on what information is given to it

Question 2

Input sensor examples

Answer 2

Light dependant resistor - when light falls on it the resistance decreases and vice versa
Thermistor - when temperature increases the resistance decreases and vice versa

Question 3

Answer 3

Single throw switch - has a button that switches between on and off

Question 4

Answer 4

Resistor - added to a circuit to change its current

Question 5

Answer 5

Transistor - is a tiny electronic switch, it has three connections. When a small voltage runs through the base connection it turns it on letting a larger current flow through the connector and out the emitter

Question 6

Answer 6

Buzzer - makes a sound so is useful in a sensing device to alert someone

Question 7

Flow chart

Answer 7

A way of planning a program in an easy to read diagram

Question 8

Start

Answer 8

Circle

Question 9

Question/input

Answer 9

Square

Question 10

Decision

Answer 10

Diamond