Final answer:
The Process Control Block (PCB) context contains the CPU register values, process state, and memory-management information, but not the context switch time.
Step-by-step explanation:
The context of a process in the Process Control Block (PCB) is a data structure in operating systems that contains all the information needed for a process to run. In the options provided, the context does not contain (d) context switch time.
The context of a process typically includes (a) the value of the CPU registers, (b) the process state, and (c) memory-management information. This information is critical for the operating system to manage the processes properly and is saved and restored during a context switch, which allows the CPU to switch between processes efficiently.
The correct answer to this question is d) context switch time. The context of a process in the PCB (Process Control Block) contains relevant information about the state of the process, including the value of the CPU registers, the process state, and memory-management information. However, it does not include the context switch time.