The register which holds the address of the location to or from which data are to be transferred is known as _______________.
The register which holds the address of the location to or from which data are to be transferred is known as Memory address register.
In a computer, the Memory Address Register (MAR) is the CPU register that either stores the memory address from which data will be fetched from the CPU, or the address to which data will be sent and stored. In other words, MAR holds the memory location of data that needs to be accessed.
Instruction register, holding the instruction currently being executed. Registers related to fetching information from RAM, a collection of storage registers located on separate chips from the CPU: Memory buffer register (MBR)
A processor register (CPU register) is one of a small set of data holding places that are part of the computer processor. A register may hold an instruction, a storage address, or any kind of data (such as a bit sequence or individual characters). Some instructions specify registers as part of the instruction.