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Computer Science

GCSE · AQA

QuestionsFlashcards

Cyber Security Threats
Social Engineering
- What Social Engineering Is
  4
- Blagging, Phishing & Shouldering
  5
Malware
- What Malware Is
  2
- Viruses, Trojans & Spyware
  3
Detecting & Preventing Threats

Subroutines & Their Advantages Flashcards

All 3 cards in this deck

Give two advantages of using subroutines in a program.: Any two, e.g.: the code is written once and called whenever it is needed instead of being repeated, so the program is shorter; a change or fix only has to be made in one place; a subroutine can be reused in other programs.
What is a subroutine?: A named 'out of line' block of code that is executed (called) by writing its name in a program statement. Functions and procedures are both subroutines.
What happens when a subroutine is called?: The program runs the subroutine's code, then returns to the point where the subroutine was called and carries on from there, using any value the subroutine returned.