Linked from
The 7 pages that link to Program counter, each with the reason it gives.
Von Neumann architectureRelated: It directs instruction fetching through memory shared with data.
Instruction cycleRelated: Its updates direct the cycle to the next instruction or a branch target.
Harvard Mark IRelated: The Mark I advanced through instructions in a predetermined sequence.
State (computing)Related: Instruction position is part of a running program’s state.