chapter 9

Question 1

assignment

Answer 1

an identifier is given a value or the value of a given identifier is changed

Question 2

sequence

Answer 2

a number of steps are performed in order one after the other

Question 3

selection

Answer 3

choice of paths in a program, depending on a condition. selection is non-sequential.

Question 4

iteration

Answer 4

a sequence of steps is performed a repeated number of times

Question 5

structured english

Answer 5

a subset of the english language. consists of command statements

Question 6

algorithms

Answer 6

an algorithm is a solution to a problem expressed as a sequence of defined steps, and is done to perform a task.

Question 7

computational thinking

Answer 7

computational thinking is a problem solving process where a number of steps are taken in order to reach a solution.

Question 8

abstraction

Answer 8

abstraction involves removing (filtering out) unnecessary data and keeping only necessary data.

Question 9

decomposition/stepwise refinement

Answer 9

decomposition/stepwise refinement means breaking down tasks into smaller parts to make it easier to solve.