GCSE > Computer Science > AQA > GCSE Computer Science > ALGORITHMS AND PROGRAMMING: Testing programs > Purpose of testing
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COMPUTER SYSTEMS: Encoding and compression

COMPUTER SYSTEMS: Network topologies

COMPUTER SYSTEMS: Wired and wireless networks, protocols, and layers

COMPUTER SYSTEMS: Threats to computer systems and networks

COMPUTER SYSTEMS: Operating systems and utility software

COMPUTER SYSTEMS: Impact of technology on society

ALGORITHMS AND PROGRAMMING: Types of data

ALGORITHMS AND PROGRAMMING: Producing robust programs

ALGORITHMS AND PROGRAMMING: Designing, creating, and refining algorithms

ALGORITHMS AND PROGRAMMING: Programming languages

ALGORITHMS AND PROGRAMMING: Artificial Intelligence (AI)

  • To ensure a program works as intended and meets its design requirements 
  • To identify errors early, reducing time and cost of fixing them later
  • To check that a program produces correct and expected outputs
  • To improve the reliability and robustness of a program
  • To support the refinement of algorithms by revealing weaknesses or inefficiencies 
  • To improve accuracy and user experience

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