Unit 2 - 1

Question 1

What is computational thinking?

Answer 1

Logical and critical thinking that solves problems systematically. A solution produced that both humans and computers can understand

Question 2

What is abstraction?

Answer 2

Process of creating an easier to understand version of a complex system by removing unimportant information

Question 3

What is decomposition?

Answer 3

Ability to break down a task or complex problem into smaller, manageable parts

Question 4

What is algorithmic thinking?

Answer 4

Creating a solution in a series of ordered steps taken to solve a problem or accomplish something

Question 5

What is the flowchart symbol for start/end?

Answer 5

Oval

Question 6

What is the flowchart symbol for input/output?

Answer 6

A parallelogram

Question 7

What is the flowchart symbol for a process?

Answer 7

A rectangle

Question 8

What is the flowchart symbol for a decision?

Answer 8

A diamond

Question 9

What are trace tables used for?

Answer 9

Used to show what happens through each stage as a program is running, shows the values of variables when they change

Question 10

What is the difference between a linear search and binary search?

Answer 10

Binary search - HAS to be ordered
Linear search - Doesn’t need to be ordered but can be