Electronic Systems & Programmable Components Flashcards
1
Q
Light Dependent Resistor
A
Resistance changes in relation to light levels
- dark - high resistance
- light - low resistance
2
Q
Thermistor
A
Resistance changes in relation to heat
- low temperature - high resistance
- high temperature - low resistance
3
Q
Microprocessor
A
Main processor inside a computer,m designed to perform DIFFERENT functions
- cannot store data
4
Q
Microcontroller
A
A chip which is placed in a circuit and programmed to perform a SPECIFIC task
- has memory & can store data
5
Q
Advantages of Microcontrollers
A
- size of circuit can be reduced
- can be reprogrammed
- have pins for connecting several outputs - flexibility
6
Q
Disadvantages of Microcontrollers
A
- often cost more the traditional integrated circuits
- programming software & hardware required
- language of the system must be learnt beforehand
