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An early electronic general-purpose computer.

A device that performs arithmetic operations on numbers.

A mechanical analog computer used primarily for multiplication and division.

A base-2 numeral system representing values using two symbols: 0 and 1.

Considered the 'Father of the Computer', known for his concept of a mechanical general-purpose computer.

Recognized as the first computer programmer for writing an algorithm for a machine.

A device for transmitting speech electronically.

A mechanical tabulating machine that used punch cards to process data.

An electromechanical computer built during World War II.

British codebreaking computers used to decipher German messages during World War II.

Co-founded Microsoft.

The co-founders of Apple Inc.

A British mathematician and codebreaker who contributed to the construction of the Colossus machine.

The primary engineer behind the Mark I calculator.

The inventor of the punched card tabulating machine for processing census data.

Credited as the inventor of the telephone.

Developed one of the first mechanical calculating devices.

The co-inventor of the ENIAC.

The co-inventor of the ENIAC.

Known for contributions to the modern computer architecture.

Improved upon early log tables and invented the circular slide rule.

Invented the step reckoner, a mechanical calculator.