Computer science

Computer science

How computers think: from your first algorithm to your own program.

Topics build on each other, but feel free to explore anywhere.

Thinking like a computer

8 topics · 78 exercises

0/0

1Algorithms in everyday life10 exercises 2Binary numbers10 exercises 3Bits, bytes & storage10 exercises 4Characters & codes10 exercises 5Pixels & images10 exercises 6Logic: AND, OR, NOT10 exercises 7Operating systems8 exercises 8State machines10 exercises

Learning to program

9 topics · 88 exercises

0/0

1Variables & values10 exercises 2Loops10 exercises 3Conditionals10 exercises 4Functions10 exercises 5Nested loops10 exercises 6Loops with conditions10 exercises 7Combining logic10 exercises 8Events & reactions10 exercises 9Pseudocode8 exercises

Algorithms & data structures

10 topics · 100 exercises

0/0

1Debugging10 exercises 2Lists10 exercises 3Searching10 exercises 4Sorting10 exercises 5Comparing sorting methods10 exercises 6How fast is a program?10 exercises 7Recursion10 exercises 8Stacks & queues10 exercises 9Debugging like a pro10 exercises 10Graphs & networks10 exercises

Numbers inside the computer

5 topics · 50 exercises

0/0

1Binary arithmetic10 exercises 2Hexadecimal & colours10 exercises 3Data compression10 exercises 4Parity bits & error detection10 exercises 5Randomness in computers10 exercises

Networks & the web

5 topics · 50 exercises

0/0

1How the internet works10 exercises 2Websites & HTML10 exercises 3Client & server10 exercises 4Streaming & bandwidth10 exercises 5Tables & databases10 exercises

AI, robotics & security

7 topics · 70 exercises

0/0

1Encryption10 exercises 2Modern encryption10 exercises 3Passwords & security10 exercises 4Artificial intelligence10 exercises 5Training data & fairness10 exercises 6Sensors & robots10 exercises 7Simulations10 exercises