Please explain your answer.

Q7- A service is different from a regular process because: it runs with higher privileges by default it can access data in kernel space its threads execute in kernel mode it can be controlled through the Service Control Manager Q8- How many threads does the idle process have? as the number of currently executing threads as the number of sockets on the machine as the number of logical processors in the system Q9- How does a transition from user mode to kernel mode achieved? The kernel moves the thread to kernel mode A special CPU instruction is used A s special kemel handle is opened by the thread CSRSS switches the thread to the kernel