Evaluate the use of analogue and digital electronic devices, in complex systems like a scientific calculator and an amplifier. For the calculator look at the input components such as chips (IC) on a circuit board, switches what do they do. The processor (microprocessor) chip (IC), central processing unit (CPU), what does it do. The output, display screen LCD, what does it do. The power source, batteries, lithium, alkaline. Where would you expect AND, OR, NOT, EXOR gates to be used. What are FULL ADDER/HALF ADDER circuits show the circuits. How is multiplication done. For the amplifier Look at the input, a small voltage/current is applied, uses the power supply to help to increase the input signal, via a transistor/op-amp integrated circuit (IC). Uses, to drive headphones, speakers. Types of amplifiers, Audio frequency, Radio Frequency, video amplifiers etc. Classes of amplifiers such as class A, B, C and AB.
Evaluate the use of analogue and
For the calculator
look at the input components such as chips (IC) on a circuit board, switches what do they do. The processor (microprocessor) chip (IC), central processing unit (CPU), what does it do. The output, display screen LCD, what does it do. The power source, batteries, lithium, alkaline.
Where would you expect AND, OR, NOT, EXOR gates to be used. What are FULL ADDER/HALF ADDER circuits show the circuits. How is multiplication done.
For the amplifier
Look at the input, a small voltage/current is applied, uses the power supply to help to increase the input signal, via a transistor/op-amp integrated circuit (IC).
Uses, to drive headphones, speakers. Types of amplifiers, Audio frequency, Radio Frequency, video amplifiers etc. Classes of amplifiers such as class A, B, C and AB.
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