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[14] The CAR SBR is executed to: a) Call a subroutine b) Return from a subroutine c) Map from bits of instruction to address for control memory d) Unconditional or conditional branch [15] The 9-bit microoperation field of the following register transfer statements is: PCPC+1,DRM[AR] a) 011110000 b) 000100101 c) 100101000 d) 111000101 [16] Which register transfer statement is equivalent to WRITE microopeation: a) DRAC b) DRM[AR] c) M[AR]DR d) ACDR [17] Mapping the opcode 0110 to a 7 bit address will give: a) 0001100 b) 0011000 c) 0000110 d) 0000011