GCSE J277 - 2.1.1 - Decomposition

What is decomposition

• Removing unnecessary details to simplify a problem
• Planning clear steps to solving a problem
• Breaking a problem down into more manageable chunks
• Looking for similarities in problems

Which is an example of decomposition

• Watching a mechanic repair a car
• Looking how a car works and in detail at different parts
• Looking at different car models for similarities
• Looking at the steps needed to make a car

Dealing with different stages of a problem at once make it more difficult to solve

• True
• False

Dealing with different stages of a problem at different times makes it easier to solve

• True
• False

Decomposition removes unnecessary details from a problem

• True
• False

Decomposition allows use to develop parts of a program at different times

• True
• False

Decomposition doesn't reduce development time of a program

• True
• False

Which of the following is not done by decomposition

• Allows multiple people to work on the problem together
• Disregards non-essential information
• Breaks down a problem into more manageable chunks
• Making a problem easier to understand

Decomposition allows tasks to become

• More manageable
• Easier
• Quicker
• Efficient

Abstraction and Decomposition should never been used together

• True
• False