Identify the Assembler Instruction formats
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RR Instruction
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RX Instruction
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SS Instruction
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SI Instruction
A,B,C,D
Correct answer
Explanation
IBM mainframe assemblers use four primary instruction formats: RR (Register-Register) for operations between registers, RX (Register-Indexed Storage) for register and memory operations, SS (Storage-Storage) for memory-to-memory operations, and SI (Storage-Immediate) for operations with immediate values stored in memory.