What does MAR stand for?a.Main Address Registerb.Memory Address Registerc.Memory Access Registerd.Main Accessible Register

A memory address register (MAR), which specifies the address in memory for the next read or write; and a memory buffer register (MBR), which contains the data to be written into memory or which receives the data read from memory.Group of answer choicesTrueFalse

If the instruction involves reading from or writing to memory, the __________ register will be used to hold the address, and the __________ register will hold the data to be written or read.  PC and DRIMAR and IRMAR and MDRMAR and DATA BusALU and DR

Which of the following can also be used as address pointer registers?a.Ro & R1b.R3 & R4c.R1 & R2d.R0 & R7

In the notation of the text, IR [ address ] --> MAR means _____.a.read the data located in the address and place it into the MARb.transfer the IR into the MARc.transfer the address part of the instruction into the MARd.transfer the op-code of the instruction into the MAR

Which of the following is not a type of register?*1 pointPCMARNARSR