20.Both the operands source and destination of an instruction cannot be a) register, register b) immediate data, register c) register, immediate data d) immediate data, memory location 21. The result of MOV AL,65 is to store a) Store 0100 0010 in AL b) Store 42h in AL c) Store 40h in AL d) Store 0100 0001 in AL 22. The length of the one-byte instruction is a) 2 bytes b) 1 byte c) 3 bytes d) 4 bytes