Procedures and functions
10 flashcards to master Procedures and functions
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Define the term 'procedure' in programming, and state its primary purpose.
A procedure (or subroutine) is a block of code that performs a specific task. Its primary purpose is to modularize code, making it reusable and easier to manage by breaking down larger programs into smaller, self-contained units.
Explain the difference between a 'function' and a 'procedure'.
Both functions and procedures are reusable blocks of code. A function, unlike a procedure, *must* return a value after execution. Procedures may or may not return values.
What is a 'parameter' in the context of procedures and functions? Give an example.
A parameter is a variable that is passed into a procedure or function when it is called.
What is an 'argument' in the context of procedures and functions? How does it relate to a parameter?
An argument is the actual value that is passed to a procedure or function when it is called, corresponding to a parameter in the function definition. For
Explain what is meant by 'returning a value' from a function. Provide a simple example.
Returning a value means that a function sends a result back to the part of the code that called the function.
Explain the process of 'calling' a procedure or function.
Calling a procedure or function means executing the code within that block. This is done by using the procedure/function name followed by parentheses (containing arguments, if any).
Key Questions: Procedures and functions
Define the term 'procedure' in programming, and state its primary purpose.
A procedure (or subroutine) is a block of code that performs a specific task. Its primary purpose is to modularize code, making it reusable and easier to manage by breaking down larger programs into smaller, self-contained units.
What is a 'parameter' in the context of procedures and functions? Give an example.
A parameter is a variable that is passed into a procedure or function when it is called.
What is an 'argument' in the context of procedures and functions? How does it relate to a parameter?
An argument is the actual value that is passed to a procedure or function when it is called, corresponding to a parameter in the function definition. For
Explain what is meant by 'returning a value' from a function. Provide a simple example.
Returning a value means that a function sends a result back to the part of the code that called the function.
About Procedures and functions (8.3)
These 10 flashcards cover everything you need to know about Procedures and functions for your Cambridge IGCSE Computer Science (0478) exam. Each card is designed based on the official syllabus requirements.
What You'll Learn
- 9 Definitions - Key terms and their precise meanings that examiners expect
- 1 Key Concepts - Core ideas and principles from the 0478 syllabus
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After mastering Procedures and functions, explore these related topics:
- 8.2 Data structures - 9 flashcards
- 9.1 Database concepts - 9 flashcards
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