Multiple choice technology storage

In a CDB opcode is:

  1. 1-bit Long

  2. 1-byte Long

  3. 2-byte Long

  4. 3-byte Long

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

In a SCSI Command Descriptor Block (CDB), the operation code (opcode) is always located in the first byte (byte 0) of the command block, making it exactly 1-byte long.