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Unit 4: Computing Systems and Networks

AP Computer Science Principles — Note Packet

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Key Terms

Bit

The smallest unit of digital information, a binary digit, representing one of two states: a ____ or a ____.

Binary Representation

The system where all digital information is ultimately broken down into tiny ____ and ____.

Byte

Eight ____ together form this unit, commonly used to measure file sizes.

Abstraction

Managing complexity by ____ the details of lower levels and allowing interaction with higher-level concepts.

Hexadecimal

A base-____ number system used as a shorthand for binary to make it more readable for humans.

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