OCR A-Level Business (H436) H436
Business Activity
Marketing
People
Operations
Finance
External Influences
Strategy, Risk and Managing Change
Operations
Quality control and quality assurance
- 2 things to know
- Component 02
Overview
Recall questions on quality control and quality assurance, the differences between them, their advantages and drawbacks, self-checking, finding faults early, sampling risk, and which approach suits different production lines.
What you need to know
Answer each one before you reveal it.
State the main difference between quality control and quality assurance.
Questions from this subtopic
Each one with the model answer underneath.
- 1
Define quality control.
Model answer
Quality control is checking output against the standard after it has been produced, so that faulty units are found and removed before they reach the customer.
- 2
Define quality assurance.
Model answer
Quality assurance is building quality into the process itself, with every stage responsible for the standard of its own work so that faults are prevented rather than detected later.
- 3
State the main difference between quality control and quality assurance.
Model answer
Quality control inspects finished output to detect faults, while quality assurance changes the way the work is done so that the faults do not occur.
- 4
Who is responsible for quality under a system of quality assurance?
Model answer
Every employee is responsible for the standard of their own work, rather than a separate team of inspectors at the end of the line.
- 5
Give two advantages of quality control.
Model answer
It is simple to introduce and it needs no change in how the workforce operates, because the inspection is simply added at the end.
- 6
Give two disadvantages of quality control.
Model answer
Faults are only found after the money has already been spent making the unit, and staff have little incentive to avoid errors because they expect someone else to catch them.
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