Chapter 6 – Test Tools
Emulator – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A device, computer program, or system that accepts the same inputs and produces the same outputs as a given system.
In simple words
Software that pretends to be a different device or system for testing.
Exam tip
Emulators mimic behaviour end-to-end; simulators approximate specific parts.
Related terms
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