Lesson details

Key learning points

  1. In this lesson, we will discover logic gates: the building blocks of processors at the heart of a computer system. Through the activities we will build an understanding of how logic gates are used to address real-world problems.

Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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3 Questions

Q1.
Which of these is not a factor that impacts a CPU's performance?
Amount of cores
Cache size
Clock speed
Correct answer: Physical size
Q2.
If my processor is an octo-core chip, how many cores does it have?
2
4
6
Correct answer: 8
Q3.
What is the extra cost required to run multiple CPU cores called?
Computational cost
CPU drain
Correct answer: Overhead
Processor slippage

4 Questions

Q1.
How many outputs do ALL logic gates have?
Correct answer: 1
2
3
None
Q2.
What would the output of an AND logic gate be if both inputs are True?
0
Correct answer: 1
Q3.
What would the output of an OR gate be if both inputs are False?
Correct answer: 0
1
Q4.
What would the output of a NOT gate be if the input is False?
0
Correct answer: 1