2.1 Computational Thinking

Question 1

What are the key things a computer scientist determine and consider when planning a system?

Answer 1

A computer scientist will:
Determine the outputs required
Determine the inputs necessary to achieve the outputs
Consider the resources needed
Consider user expectations

Question 2

What is decomposition?

Answer 2

The division of a large problem into smaller sub-problems.

Question 3

What is concurrent processing?

Answer 3

Concurrent processing is the carrying out of more than one task at a time

Question 4

What does concurrent processing utilise?

Answer 4

Concurrent processing utilises multi-core processors and pipelining

Question 5

What do modules processed at the same time need to be?

Answer 5

Modules processed at the same time should be independent.

Question 6

What do programs need to be to take advantage of concurrent processing?

Answer 6

Programs need to be specifically designed to take advantage of concurrent processing.