Difference Between Process and Program Quiz

Play an AI-generated podcast conversation about this lesson

What is the main purpose of using high-speed memory in a computer system?

To manage I/O instructions

To differentiate between user mode and monitor mode

To hold recently-accessed data (correct)

To execute privileged instructions

Why is a cache management policy required in computer systems?

To ensure consistent data in multiple storage levels (correct)

To protect interrupt vectors from memory corruption

To switch between user and monitor modes efficiently

To prevent user programs from accessing privileged instructions

What is the significance of the 'mode bit' in computer hardware?

Indicates the type of I/O instructions allowed

Differentiates between user mode and monitor mode (correct)

Protects memory from interrupt vectors

Determines the speed of high-speed memory access

Why are all I/O instructions considered privileged instructions?

To ensure that user programs cannot access hardware directly Signup and view all the answers

In a computer system, what is the purpose of memory protection?

To protect the integrity of interrupt vectors and service routines Signup and view all the answers

What function does dual-mode operation serve in an operating system?

Ensures that user programs do not disrupt system integrity Signup and view all the answers

What state is a process in when it is waiting for some event before proceeding?

Blocked State Signup and view all the answers

Which component of a process holds the address of the next instruction to be executed?

Program Counter Signup and view all the answers

In which state is a process said to be runnable but temporarily stopped running?

Ready State Signup and view all the answers

What does the Running State of a process signify?

The process actually has the CPU and is using it Signup and view all the answers

Which state signifies that a process has finished its execution?

Terminated State Signup and view all the answers

What is the primary function of the long-term scheduler or job scheduler?

Select processes from discs and load them into main memory Signup and view all the answers

Which scheduler is responsible for selecting a process from ready processes to allocate the CPU?

Short-term scheduler or CPU scheduler Signup and view all the answers

In the context of CPU scheduling, what is the major difference between I/O-bound and CPU-bound processes?

Time spent on computations versus I/O operations Signup and view all the answers

What does the medium-term scheduler do in the context of process scheduling?

Schedules processes as an intermediate level of scheduling Signup and view all the answers

How does the long-term scheduler differ from the short-term scheduler in terms of frequency of execution?

Long-term scheduler executes much less frequently Signup and view all the answers

What does the system do during a context switch?

Saves the state of the old process and loads the new process's saved state Signup and view all the answers

What happens in terms of resource sharing between parent and child processes?

Children share a subset of parent's resources. Signup and view all the answers

What system call creates a new process in UNIX?

fork Signup and view all the answers

When does a parent process typically wait for its children to terminate?

After its children terminate. Signup and view all the answers

What is the outcome if a parent process terminates?

The child processes also terminate. Signup and view all the answers

In case a child process exceeds its allocated resources, what may lead to its termination?

Parent's termination. Signup and view all the answers

What defines cooperating processes in an operating system?

Processes that can affect each other while executing. Signup and view all the answers