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Everything about 4-bit computing

Computer architecture bit width

4-bit computing is the use of computer architectures in which integers and other data units are 4 bits wide. 4-bit central processing unit (CPU) and arithmetic logic unit (ALU) architectures are those that are based on registers or data buses of that size. A group of four bits is also called a nibble and has 24 = 16 possible values, with a range of 0 to 15. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: 4-bit computingA 5-minute orientation
  2. Skim a recent paper: The future of quantum computing with superconducting qubitsInfluential work since 2022
  3. Pick up a classic book: Computer NetworksThe most-reprinted book on the subject
  4. Read the landmark paper: Linear optical quantum computing with photonic qubitsCited 2,576 times
  5. Go sideways: Intel 4004A closely related topic
  6. Go sideways: 16-bit computingA closely related topic

📖 Definitions

No dictionary entry for this exact phrase.

🗂️ The subject at a glance

  1. History
  2. Uses
  3. Details
  4. List of 4-bit processors

🏆 Landmark papers (most cited)

🆕 Influential since 2022

📚 Books worth reading

Ranked by number of editions on Open Library, a rough measure of how lasting a book is.

🔗 Related topics