CS604 Quiz 2 Set 2 by VU Topper RM

The child process can

A. Be a duplicate of the parent process

B. Never be a duplicate of the parent process C. Never have another program loaded into it D. Cannot have another program loaded into it

First _______ entries in Per Process File Descriptor Table are used as soon as the process is created. A. 1 B. 2

C. 3

Page 52 (New Mcqs)

D. 4

In Unix/Linux environment, Ayesha wants to know the complete picture of current processes in her session. Which of the following command will help her in this regard?

1. $ ps Page 63 (New Mcqs)
2. $ gcc
3. $ top
4. $ fifo

Correct answer: $ ps Page 63 (New Mcqs)

A time-sharing system is: A. Multi-user B. Interactive C. Multitasking

D. All of these Page 6

The BSD sockets are used for communication between related or unrelated processes on the same system or on different systems. A. Sibling process B. Related processes

C. Unrelated processes Page 50

D. Both (related and unrelated)

scheduler takes the process from the ready queue and assigns the CPU with the help of Dispatcher. A. Swapper B. Long term

C. Short term Page 79

D. Medium-term

Which of the following provide interface to access the services of the operating system?

1. API
2. Library call
3. System call Page 15
4. Assembly Instructions

Correct answer: System call Page 15

This layered approach is taken to its logical conclusion in the concept of a__________ . A. Logical Machine

B. Virtual machine Page 19

C. Physical Machine D. None of the these

While a process executes its critical section, other entering processes loop in a continual function in their entry sections, thus causing

A. Busy waiting

B. Race condition C. Bounded waiting D. Mutual exclusion

Taking the CPU from one process and giving the CPU to another process is termed as A. Tracking B. Swapping C. Dispatching

D. Context Switching Page 31

To display all processes ___________ option is used with ps command. A. -1

B. -e Page 53 (New Mcqs)

C. -u D. -a

__________ scheduler selects the process from the job pool and put them in main memory. A. Swapper B. Short term

C. Long term Page 33

D. Medium term

_______ command in Linux helps to creat a new directory. A. Is B. Cp C. Mv

D. Mkdr Page 26 (New Mcqs)

When processes are generated using fork () system call and then after that they are coordinated with each other using IPC channel. They are utilizing a separate address space for each of process (parent, child),, kernel resources and IPC channel. This makes it a more heavy. Which strategy can be used to make it light?

A. Use of thread Page 67 (New Mcqs)

B. Use of batch systems C. Scheduling of each process D. Termination of child process when these become more

The region in the memory that a process is allowed to access is known as process. A. Register B. Operation C. Instruction

D. Address Space Page 10

A signal is an event generated to get attention of A. Trap

B. Process Page 7

C. Interrupts D. Hard disk