Multiple choice technology mainframe

Which all among the following are the Special Registers?

  1. PR

  2. PSW

  3. PC

  4. SP
Reveal answer Fill a bubble to check yourself
B,C,D Correct answer
Explanation

In mainframe assembly programming and system architecture, PSW (Program Status Word), PC (Program Counter), and SP (Stack Pointer) are standard special registers that control program execution, status tracking, and memory management. These registers have predefined, system-wide purposes and cannot be used as general-purpose registers for application data.

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