2.1.1 Thinking abstractly

Question 1

What is computational thinking?

Answer 1

Problems that can be solved by a computer

Question 2

What are the key features of computational thinking?

Answer 2

• Involves data that can be stored using CRIBS
• Involves processing numbers,text or Booleans
• Creates measurable outcomes

Question 3

What is thinking abstractly?

Answer 3

• Seperating ideas from reality
• Removing unnecessary details from a problem

Question 4

What is the need for abstraction?

Answer 4

• Allows non-experts to make use of a range of systems or models
• Allows for more efficient design during development as programmers can focus on elements that need to be built into the softwware
• Reduces development time and size of program

Question 5

What is the difference between abstraction and reality?

Answer 5

• Abstraction is a simplified version of reality
• Real-world entities may be represented using computational structures
• Real-world values are often stored as variables

Question 6

What are the goals of abstraction?

Answer 6

• Remove unnecessary detail
• Identify concepts that can be represented as variables
• Create measurable scenarios