Question: An ISA uses variable length encoding of up to 15 bytes per instruction. Computer memory is byte-addressable, so a machine instruction program in memory for

An ISA uses variable length encoding of up to 15 bytes per instruction. Computer memory is byte-addressable, so a machine instruction program in memory for this ISA occupies consecutive bytes with no discernable boundary between bytes of two consecutive instructions. Is it reasonable that the designers of this ISA permit the first k bytes of a j-byte instruction, where j > k, to be an encoding of an instruction in the ISA? Why or why not?

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