Multiple choice technology mainframe

RR Instruction needs

  1. 4 Bytes

  2. 8 Bytes

  3. 2 Bytes

  4. 6 Bytes

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An RR (Register-to-Register) instruction in IBM System/360 and its successors is 2 bytes (16 bits) long. The first byte contains the operation code (OpCode), and the second byte contains two 4-bit fields specifying the two registers (R1 and R2) involved in the operation.