Brainlag
  1. C
  2. Bits and a tiny machine
34/38

Bitwise operators

35 min4 exercisesPremium

AND, OR, XOR and NOT on real bytes in C, printing numbers in binary, and why & and && give different answers.

The skill
Combine bytes bit by bit with AND, OR, XOR and NOT, and tell them apart from the logical operators.
You make
A 32-bit binary printer, a key check for a game door and a checksum that spots a damaged packet.
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Builds on 33 Final challenge: C. Free to try: C Foundations and the playground.

Step 1 of 7
exercise_1.c

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4 exercises in this lesson, checked as you type. Premium opens every lesson after Foundations, in all four courses.

C, 32-bit: int and pointers are 4 bytes