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- Program_counter abstract "The program counter (PC), 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, is a processor register that indicates where a computer is in its program sequence.In most processors, the PC is incremented after fetching an instruction, and holds the memory address of (“points to”) the next instruction that would be executed. (In a processor where the incrementation precedes the fetch, the PC points to the current instruction being executed.)Instructions are usually fetched sequentially from memory, but control transfer instructions change the sequence by placing a new value in the PC. These include branches (sometimes called jumps), subroutine calls, and returns. A transfer that is conditional on the truth of some assertion lets the computer follow a different sequence under different conditions.A branch provides that the next instruction is fetched from somewhere else in memory. A subroutine call not only branches but saves the preceding contents of the PC somewhere. A return retrieves the saved contents of the PC and places it back in the PC, resuming sequential execution with the instruction following the subroutine call.".
- Program_counter thumbnail IBM_701console.jpg?width=300.
- Program_counter wikiPageExternalLink program_counter.vhdl.
- Program_counter wikiPageID "59944".
- Program_counter wikiPageRevisionID "600416628".
- Program_counter hasPhotoCollection Program_counter.
- Program_counter subject Category:Central_processing_unit.
- Program_counter subject Category:Control_flow.
- Program_counter subject Category:Digital_registers.
- Program_counter type Abstraction100002137.
- Program_counter type Communication100033020.
- Program_counter type DigitalRegisters.
- Program_counter type Evidence106643408.
- Program_counter type Indication106797169.
- Program_counter type Record106647206.
- Program_counter type Register106507041.
- Program_counter type WrittenRecord106502378.
- Program_counter comment "The program counter (PC), 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, is a processor register that indicates where a computer is in its program sequence.In most processors, the PC is incremented after fetching an instruction, and holds the memory address of (“points to”) the next instruction that would be executed.".
- Program_counter label "Befehlszähler".
- Program_counter label "Compteur ordinal".
- Program_counter label "Contador de programa".
- Program_counter label "Contador de programa".
- Program_counter label "Licznik programu".
- Program_counter label "Program counter".
- Program_counter label "Program counter".
- Program_counter label "Счётчик команд".
- Program_counter label "程式計數器".
- Program_counter sameAs Čítač_instrukcí.
- Program_counter sameAs Befehlszähler.
- Program_counter sameAs Contador_de_programa.
- Program_counter sameAs Compteur_ordinal.
- Program_counter sameAs Program_counter.
- Program_counter sameAs 프로그램_카운터.
- Program_counter sameAs Licznik_programu.
- Program_counter sameAs Contador_de_programa.
- Program_counter sameAs m.0g9tz.
- Program_counter sameAs Q814194.
- Program_counter sameAs Q814194.
- Program_counter sameAs Program_counter.
- Program_counter wasDerivedFrom Program_counter?oldid=600416628.
- Program_counter depiction IBM_701console.jpg.
- Program_counter isPrimaryTopicOf Program_counter.
