MCQ

1) In the memory hierarchy  CPU registers is the slowest accessible memory.

2) A process control block of a process contains (D) all of these.
    (A) process state                (B) CPU-scheduling information
    (C) account information       (D) all of these

3) Threads of a process do not share (D)none of these.
   (A) main memory              (B)execution  stack
   (C)file descriptor               (D)none of these

4) Dispatcher of an operating system gives control of CPU to the process selected by short-term 
    scheduler.

5) SJF stands for Shortest Job First.

6) SSTF stands for Shortest Seek Time First.

7) Information of a process is stored as process control block . 

8) Semaphore can be implemented as queue. 

9) Necessary conditions for deadlock are (D) all of these.
   (A) mutual exclusion         (B) no preemption
   (C) hold and wait              (D) all of these

10) In paging, logical address is mapped to page number and page offset.