8.1

Programming concepts

10 flashcards to master Programming concepts

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Definition Flip

Define the term 'variable' in programming and provide an example.

Answer Flip

A variable is a named storage location in a computer's memory used to hold data that can be changed during program execution.

Example: `age = 20` where `age` is the variable name.
Definition Flip

Explain the difference between an 'integer' and a 'real' data type, providing examples of each.

Answer Flip

An integer data type stores whole numbers without any fractional part (

Example: 5, -10). A real data type stores numbers with a fractional part (. 3.14, -2.5).
Definition Flip

What is a 'Boolean' data type, and what are its possible values?

Answer Flip

A Boolean data type represents a logical value that can be either true or false. It's often used to represent conditions in programming.

Definition Flip

Describe the purpose of the 'assignment' operator in programming. Provide an example.

Answer Flip

The assignment operator assigns a value to a variable.

Example: `name = 'Alice'` assigns the string 'Alice' to the variable `name`.
Definition Flip

Explain the term 'sequence' in programming, and why is it important?

Answer Flip

Sequence refers to the order in which instructions are executed in a program. It's crucial for determining the outcome of the program, ensuring instructions run in the intended order.

Definition Flip

Describe what 'selection' means in programming, and give an example of a statement that implements it.

Answer Flip

Selection is a programming construct that allows different code blocks to be executed depending on a condition.

Example: an `IF` statement like `IF age >= 18 THEN print('Adult') ELSE print('Minor')`.
Definition Flip

Explain the concept of 'iteration' in programming, and name three types of loops that implement it.

Answer Flip

Iteration refers to repeating a block of code multiple times. Common loop types are `FOR`, `WHILE`, and `REPEAT` loops. They help automate repetitive tasks.

Definition Flip

Explain the difference between a `WHILE` loop and a `REPEAT` loop.

Answer Flip

A `WHILE` loop checks the condition at the beginning; if false, the loop doesn't execute. A `REPEAT` loop executes the code block at least once before checking the condition at the end.

Definition Flip

What is an 'array' data structure, and why is it useful?

Answer Flip

An array is a data structure that stores a collection of elements of the same data type under a single variable name. It's useful for organizing and accessing multiple related values efficiently.

Definition Flip

Explain what a constant is in programming, and how does it differ from a variable?

Answer Flip

A constant is a named storage location that holds a value that cannot be changed during program execution. Unlike a variable, its value remains fixed throughout the program's lifespan.

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7.3 Testing and validation 8.2 Data structures

Key Questions: Programming concepts

Define the term 'variable' in programming and provide an example.

A variable is a named storage location in a computer's memory used to hold data that can be changed during program execution.

Example: `age = 20` where `age` is the variable name.
Explain the difference between an 'integer' and a 'real' data type, providing examples of each.

An integer data type stores whole numbers without any fractional part (

Example: 5, -10). A real data type stores numbers with a fractional part (. 3.14, -2.5).
What is a 'Boolean' data type, and what are its possible values?

A Boolean data type represents a logical value that can be either true or false. It's often used to represent conditions in programming.

Describe the purpose of the 'assignment' operator in programming. Provide an example.

The assignment operator assigns a value to a variable.

Example: `name = 'Alice'` assigns the string 'Alice' to the variable `name`.
Explain the term 'sequence' in programming, and why is it important?

Sequence refers to the order in which instructions are executed in a program. It's crucial for determining the outcome of the program, ensuring instructions run in the intended order.

About Programming concepts (8.1)

These 10 flashcards cover everything you need to know about Programming concepts for your Cambridge IGCSE Computer Science (0478) exam. Each card is designed based on the official syllabus requirements.

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