The ALP line "add r7,r6,r7" is correctly encoded as 000 111 110 111 0000 001 110 111 111 0000 000 110 111 111 0001 000 110 111 111 0000 If a and b are 16 bit wide then the result of instruction "a | b" and "a || b" will be respectively 1 bit, 1 bit 16 bit, 16 bit O 16 bit, 1 bit O 1 bit, 16 bit