WJEC GCSE Electronics Component 3 system design and realisation quiz quiz

A multiple-choice exam

The non-exam assessment (extended system design and realisation task)

A spoken assessment

An online test

10%

40%

20%

50%

Analysing the problem or opportunity

Building the circuit

Evaluating the system

Writing the user guide

vague general aims

only a circuit diagram

the cost of the parts only

measurable criteria the solution must meet

to use more components

so each block can be checked against a clear target before integration

to avoid writing a specification

to skip the evaluation

The problem is first analysed

The specification is written

The finished system is judged against the specification and improvements suggested

The parts are ordered

introduces brand-new theory not in the written papers

applies the systems approach and knowledge from Components 1 and 2

tests only mathematics

requires no testing

Three identical output stages

Only a power supply

Two displays and nothing else

An input (sensing), a process (decision) and an output (driver)

a ready-made development board used as the final circuit

prototype board, stripboard or a printed circuit board

paper only

a spreadsheet

at each stage of development and on the complete system

never

only at the very start

only if the system fails

a thermistor only

a buzzer

a comparator that switches at a set threshold

a battery

analysis, specification, development, realisation and evaluation with evidence

only a photograph

only the cost

nothing written