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12 topics across 4 contests. Read the lesson, then test yourself with a quiz.

Contest 1

Computer Number Systems

Binary, octal, hex conversions and arithmetic in different bases.

Recursive Functions

Tracing and evaluating functions that call themselves.

WDTPD - Branching

Reading code with if/else logic and predicting the output.

Prefix/Infix/Postfix Notation

Converting and evaluating expressions in prefix, infix, and postfix form.

Bit-String Flicking

Bitwise operations (AND, OR, XOR, NOT, SHIFT) on binary strings.

WDTPD - Looping

Tracing for/while loops and determining what gets printed.

Boolean Algebra

Simplifying and evaluating boolean expressions with logic laws.

Data Structures

Stacks, queues, binary trees, and priority queues.

WDTPD - Arrays

Tracing code that reads, writes, and searches arrays.

Graph Theory

Paths, cycles, trees, and matrix representations of graphs.

Digital Electronics

Logic gates, truth tables, and circuit simplification.

WDTPD - Strings

Tracing code that manipulates and searches strings.