AI Project Lifecycle

Sample questions

Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.

Section A · multiple choice

1. 1.

   AI systems learn mainly from:

   1. feelings
   2. guesswork
   3. luck
   4. data

   Answer

   (d) data

2. 2.

   Updating the model when the exam pattern changes: at which stage of the AI project lifecycle does this happen?

   1. monitoring and maintenance
   2. data collection and preparation
   3. model evaluation and refinement
   4. model development and training

   Answer

   (a) monitoring and maintenance

3. 3.

   Which of these uses AI rather than fixed automation?

   1. a street light that switches on at 6 p.m. every day
   2. a conveyor belt that always moves at the same speed
   3. a traffic signal that changes every 30 seconds whatever the traffic
   4. an email filter that learns which messages are spam

   Answer

   (d) an email filter that learns which messages are spam

Section B · short answer

1. 4.

   How does an AI system learn?

   Answer

   By finding patterns in many examples of data and using them to make predictions or decisions.

2. 5.

   A spam filter is tested on 10 emails it has never seen and labels 8 of them correctly. What is its accuracy?

   Answer

   80%

   8 ÷ 10 × 100

Section C · long answer

1. 6.

   Describe the six stages of the AI project lifecycle in order.

   Answer

   Define the problem; collect and prepare data; develop and train the model; evaluate and refine it; deploy it; monitor and maintain it.

Fresh sheets for your child

In the app, every AI Project Lifecycle sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.

Coming soon for Android and iPhone.

More Class 8 Computational Thinking and AI