Vectors (AQA A-Level Computer Science): Quizzes

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Vectors
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10 questions from this quiz

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How many distinct ways can vectors be represented in computer science?

Three ways

What is the correct dictionary format for storing the first three Fibonacci numbers?

{0:0, 1:1, 2:1}

In the notation F:SRF: S \to R, what does SS represent?

The domain of inputs

What are the two key properties of a vector when represented as an arrow?

Magnitude and direction

What condition must be met to add two vectors together?

Same number of dimensions

What happens to a vector's direction when multiplied by a scalar?

It does not change

What is the dot product of A=(3,5)\mathbf{A} = (3, 5) and B=(7,2)\mathbf{B} = (7, 2)?

31

What is the dot product of A=(5,3,2)\mathbf{A} = (5, 3, 2) and B=(2,7,4)\mathbf{B} = (2, 7, 4)?

39

For a valid convex combination D=αAB+βAC\mathbf{D} = \alpha \mathbf{AB} + \beta \mathbf{AC}, what must α+β\alpha + \beta equal?

1

What is the main advantage of vector graphics over bitmap images?

Can scale without quality loss

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