Multiple choice technology operating systems

In a CDB opcode is:

  1. 1-bit Long

  2. 1-byte Long

  3. 2-byte Long

  4. 3-byte Long
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B Correct answer
Explanation

The operation code in a SCSI Command Descriptor Block is exactly 1 byte (8 bits) in length, which defines the specific command being executed. This single byte can encode up to 256 different SCSI commands. The remaining bytes in the CDB contain parameters and arguments for the command.

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