Assume register R1 = 0x7D initially. What would the register hold after performing a circular shift right, followed by an arithmetic shift right, followed by a logical shift right. R1 = OxE7 R1 = 0x77 R1 = OxZF R1 = Ox6F Assume the register AC = Ox5C9B. Determine the results from executing the following two instructions, given in binary: 0011 0001 1101 0100 0111 0010 0000 0000 M[1D4] = 5C9B and AC = A364 M[31D4] = 5C9B and AC = A364 M[104] = C9B and AC = A364 M[104] = 5C9B and AC = 364