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Everything about Program counter

Register that stores where in a program a processor is executing

A program counter (PC) is a register that stores where a computer program is being executed by a processor. It is also commonly called the instruction pointer (IP) in Intel x86 and Itanium microprocessors, and sometimes called the instruction address register (IAR), the instruction counter, or just part of the instruction sequencer. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Program counterA 5-minute orientation
  2. Skim a recent paper: Magnetic fluid hyperthermia controlled by frequency counter and colorimetric program systems based on magnetic nanoparticlesInfluential work since 2022
  3. Pick up a classic book: Programming the 6502The most-reprinted book on the subject
  4. Read the landmark paper: Efficacy of an over-the-counter intervention follow-up program in community pharmaciesCited 29 times
  5. Go sideways: Instruction cycleA closely related topic
  6. Go sideways: Branch (computer science)A closely related topic

📖 Definitions

Noun A register that stores the address of the current (or next) instruction to be carried out by the processor.

🏆 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