Final answer:
To increment Register 7 (R[7]) by 1, you use an increment instruction like INC, although the exact syntax could vary based on the processor architecture.
Step-by-step explanation:
To increment Register 7 (R[7]) by 1, you would typically use an assembly language instruction specific to the architecture you are working with. For most architectures, this would be a simple instruction like INC which stands for increment.
For example, in x86 assembly language, the instruction would be INC R7, which would increase the value stored in register 7 by one. Depending on the architecture, the syntax might differ slightly, but the concept remains the same. It is important to remember that the specific register names and increment instruction can vary between different processor architectures.