Final answer:
The memory address 2000 initialized as 64 means that location contains the value 64. The content of the rest of the data memory depends on program instructions and initial conditions. Additional context is needed to determine the content of other memory locations.
Step-by-step explanation:
When the content at memory address 2000 is initialized as 64 in a simulator, it means that this particular address in the data memory has been set to store the value 64. It is often the case in computer simulations or practicing assembly language programs that specific memory locations are assigned literal values.
The actual content of other memory locations in the data memory will depend on the initial conditions set by the user or the program and how the program manipulates the memory throughout its execution. Without additional context such as a program's instructions or the entire memory map state, we cannot determine what the rest of the data memory will contain.