Lesson details

Key learning points

  1. In this lesson, we will learn how to evaluate a computer based on its specifications. We will discover the factors that limit a CPU's performance: clock speed, cache, and the number of cores. The end of this lesson will involve us choosing the right computer for a given task.

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.
Ifram wants to store his Python projects on a portable device that he can take with him to work and school. What of the following storage devices would be best for Ifram?
A CD ROM
A hard-drive
Correct answer: A USB stick
An SSD
Q2.
Cloud computing is a way to store and access files using which technology?
A CD reader
A USB connection
Radio waves
Correct answer: The internet
Q3.
Where do files go when we store them on the cloud?
Correct answer: A server farm
The ground
The internet
The sky

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