Exam 15 — Life in the UK Test Practice
About Exam 15 (Official 3rd Edition Handbook)
Exam 15 is a free 24-question timed mock examination for British citizenship naturalisation and Indefinite Leave to Remain (ILR / settlement) applicants in the United Kingdom. Every question is written directly from the official Home Office handbook, Life in the UK: A Guide for New Residents (3rd Edition), covering British values, UK history, society, and government. To pass the official Life in the UK Test (booking fee £50 at gov.uk), candidates must answer at least 18 out of 24 multiple-choice questions correctly (75% pass mark) within 45 minutes.
Life in the UK Exam 15

What was invented by Alan Turing in the 1930s?
Correct Answer: The Turing machine
Alan Turing (1912–1954) invented the Turing machine in the 1930s — a theoretical mathematical device that became the foundation of modern computer science.
During World War II, Turing helped crack the German Enigma code at Bletchley Park. He is widely regarded as the father of theoretical computing and artificial intelligence.