MCQ answers of Minor-I

(1) XDR stands for  a)          External Data Row                                                  b) Exit Data Row               c)    External Data Representation                                    d) Exit Data Representation

(2) At a particular time the value of the counting semaphore is 15. It will become 22 after                                     a) 8P and 2V                   b) 4V only                      c)  7V Only              d) 4V and 3P

(3) At a particular time the value of the counting semaphore is 21. After 5P and  2V          operation, what will be      the value for Semaphore?         a) 17                               b) 18                                c) 19                          d)  21

(4) The example of Open Source Code is           a)      Window 8             b) Linux                 c) Windows NT           d) All of the above

(5) Which interposes communication mechanism is fastest        a) Shared Memory              b)     Pipes                           c) Message Queue       d) FIFO

(6)  RPC allows a computer program to cause a subroutine to execute in        a) its own address space     b) another address space     c) both (a) and (b)              d) none of the mentioned

(7) In the  blocking send       a) the sending process keeps sending until the message is received       b) the sending process sends the message and resumes operation       c) the sending process keeps sending until it receives a message       d) None of these

(8) Unnamed pipes is known as              a)      FIFO               b) Message Queue            c) Both a & b              d) None of the above

(9) Pipelining improves CPU performance due to      (a) reduced memory access time                                    (b) increased clock speed      (c) the introduction of parallelism                                  (d) additional functional units

(10) Which of the following is not the function of Micro kernel?      (a) File management                                                (b) Low-level memory management      (c) Inter-process communication                               (d) I/O interrupts management

(11) Information about a process is maintained in a _________       (a) Stack                                                                (b) Translation Look aside Buffer       (c)  Process Control Block                                  (d) Program Control Block

(12) The program is known as _________ which interacts with the inner part of called kernel.         (a) Compiler                 (b)  Device Driver              (c) Protocol                   (d)  Shell

(13) Inter process communication can be done through __________.         (a)  Mails                       (b) Messages                        (c)  System calls        (d) Traps

(14) Mail services are available to network users through the _______ layer.         (a) Data link                 (b) Physical                          (c) Transport              (d) Application

(15) As the data packet moves from the upper to the lower layers, headers are __         (a) Added              (b) Removed                       (c) Rearranged                  (d) Modified

(16) The convention and rules used in such communications are collectively known as         (a) Peer           b)Layer protocol              (c) Network                  (d) None of these