2.1 COMPUTATIONAL THINKING

Question 1

what is thinking abstractly?

Accepted Answer

Removing unnecessary details and only including the relevant details

Question 2

why do we need abstraction?

Accepted Answer

Reduces the complexity and improves the clarity of what we're trying to convey.

Question 3

what is thinking ahead?

Accepted Answer

Identifying the preconditions of a system, the inputs, outputs and reusable components.

Question 4

why is thinking ahead good?

Accepted Answer

Helps us to: -Maximise code efficiency -Minimise errors

Question 5

Examples of reusable components?

Accepted Answer

-Subroutines/procedures -libraries -APIs

Question 6

Example of how thinking ahead has been implemented?

Accepted Answer

Caching and prefetching

Question 7

what is thinking procedurally

Accepted Answer

Breaking a problem down into sub problems and identifying order of events

Question 8

tools for designing algorithms?

Accepted Answer

hierarchy charts Flowcharts Pseudocode

Question 9

what is thinking logically?

Accepted Answer

Identifying decision points for branching or iteration.

Question 10

what is thinking concurrently

Accepted Answer

Identifying if parts of a problem can be tackled at the same time. Multitasking

Question 11

Advantages of concurrency?

Accepted Answer

Reduces time needed as the number of tasks completed in a given time is increased

Question 12

Disadvantages of concurrency

Accepted Answer

-May be difficult to program/implement -Program/problem may not suit concurrency

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