Bit
A bit is a binary digit and unit of digital information that represents one of two distinguishable values, conventionally 0 or 1.
Learn Rust in a Month of Lunches
A bit is a binary digit representing one of two possible values in digital computation.
- How it is used
- Uses bits to explain binary numbers and the sizes of Rust integer types.
- How deep it goes
- Defines bit values and doubling place values, without going into hardware internals.
- Examples
- Compares decimal place values with eight binary places and gives maximum values for `u8` and `u16`.
- What you can do after
- Evaluate/understand how an integer type’s bit count relates to its size and range.
Building Quantum Software with Python
A binary digit is a digit whose value is either 0 or 1 and that represents one position in a binary number.
- How it is used
- Models deterministic state storage and the low-level operations beneath classical software abstractions.
- How deep it goes
- Explains two states, toggling, reading, determinism, registers, and binary representation through computational comparisons.
- Examples
- Uses toggle switches, final-value computation, binary strings, registers, and successive division of 13.
- What you can do after
- Evaluate/understand deterministic bit computations and decode small integers from binary digits.
Read how Building Quantum Software with Python explains bit →
Classic Game Programming on the NES: Make your own retro video game
A bit is a binary digit that holds either zero or one.
- How it is used
- Represents pixels, coordinates, flags, and packed controller-button states within NES memory.
- How deep it goes
- Defines bit and byte layout, numbering, nibbles, numeric notation, and bit-oriented instructions without covering larger-number construction.
- Examples
- Demonstrates %10101010 as decimal 170, $AF as decimal 175, and an eight-read gamepad polling loop.
- What you can do after
- Apply it via 6502 assembler to write binary values, interpret byte positions, and pack gamepad button states.
Read how Classic Game Programming on the NES: Make your own retro video game explains bit →
Quantum Programming in Depth
A bit is a binary digit that represents either zero or one.
- How it is used
- Uses binary digits to encode and recover eigenphases during adaptive phase estimation.
- How deep it goes
- Explains sequential measurement and circuit adaptation, but stops short of a general treatment of binary representation.
- Examples
- Uses two-bit eigenphases such as 0.25 and 0.75 and the unitary INC as an analysis case.
- What you can do after
- Apply binary-digit reasoning to understand how adaptive phase estimation recovers eigenphase precision incrementally.
Acing the CCNA Exam: Volume 1 Fundamentals and Protocols
A bit is the smallest unit of digital information and has one of two possible values, conventionally 0 or 1.
- How it is used
- Explains the binary units underlying computer communication and network signaling.
- How deep it goes
- Defines bits and bytes, then illustrates physical voltage signaling without deriving binary conversion methods.
- Examples
- Uses a router sending one byte to a switch through voltage changes on a cable.
- What you can do after
- Understand how binary values form bytes and travel as signals between network devices.
Read how Acing the CCNA Exam: Volume 1 Fundamentals and Protocols explains bit →
Related concepts
- bytespart of · Bytes are an ordered sequence of values, each conventionally eight bits, used to represent binary data.
- entropymeasures · Entropy is a quantitative measure of uncertainty or dispersion in a probability distribution and, more generally, of disorder in the possible states of a system.
- hardware registerpart of · A hardware register is a small, rapidly accessible storage location within a processor or processing device that holds data, addresses, or control information during execution.
- parity bitincludes · A parity bit is an added binary bit indicating whether the number of 1 bits in associated data is even or odd.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.