2.1.1

Question 1

what are the four elements of computational thinking?

Answer 1

-decomposition
-abstraction
-algorithmic thinking
-pattern recognition

Question 2

decomposition

Answer 2

breaking a complex problem down into smaller problems and solving each one individually

Question 3

abstraction

Answer 3

the removal of unnecessary information from a task

Question 4

algorithmic thinking

Answer 4

a logical way of getting from the problem to the solution

Question 5

pattern recognition

Answer 5

being able to solve a problem by recognising a pattern

Question 6

sequence

Answer 6

the order in which tasks are completed

Question 7

iteration

Answer 7

when the task is repeated until there is a required action

Question 8

selection

Answer 8

a question is asked and depending on the answer, the program takes one of two courses of action

Question 9

variable

Answer 9

a named container for a value that can change as a program is running

Question 10

examples of iteration

Answer 10

while and for loops

Question 11

examples of selection

Answer 11

IF, ELIF and ELSE