Another Operating System Question Paper for Polytechnic,Himachal Pradesh

Posted Date: 17-Sep-2011	Category: Education	Rating:
Author: Narender Bhardwaj	Member Level: Gold	Points: 10 (Rs 2)

Operating System the heart of operating system with out it our computer does not work.Operating system act as an interface between computer hardware and user.Operating system perform various function such as memory management,device management & process management.

Operating System Question Paper for Polytechnic,Himachal Pradesh

Attempt all Questions ? Each question carries equal marks:-

1.
(a)State whether following statements are true
or false:-
(i)At system boot time, the hardware
starts in kernel mode.
(ii)A loader combines the various pieces of
code to create a single executable that
can be loaded into the memory.
(iii)The long term scheduler controls the
degree of multiprogramming.
(iv)The Linux kernel provides spinlocks
and semaphores for locking in the
kernels.
(v)An absolute path name defines a path
from the current directory. (5)

(b)Fill in the following blanks:-

(i)The.......technique is used to
implement multitasking.
(ii)An.......process is one that spends
more of its time doing I/O than it
spends doing computations.
(iii)The data structure that stores the details
about a process is called........... .
(iv)..........is a memory management scheme that
permits the physical address space of a process
to be non contiguous.
(v)...........enables you to redirect the output
from a command into a file. (5)

(c)Explain the function of following Linux commands
with syntax:-

(i)Mail.
(ii)Chmod.
(iii)Kill.
(iv)Head.
(v)Sort.

2.
(a)What is the difference between multitasking
and multiprocessing? (5)

(b)What are the steps in executing a control
program? (5)

(c)what are the various scheduling and performance
criterion?Explain briefly.
(10)
OR
(a)What is process control block?Describe the
actions taken by a kernel to control switch
between processes. (10)
(b)What is Operating System?Why it is needed?
(5)
(c)Differentiate between static partitioning
and dynamic partitioning. (5)

3.
(a)what is swapping?Why it is needed? (5)
(b)What are the various types of secondary
storage devices?Explain briefly? (10)
(c)Differentiate between logical file system and
physical file system. (5)

4.
(a)What is deadlock?What are the conditions for
deadlock?Explain briefly. (10)
(b)What is LINUX?Explain the structure of Linux
operating system. (10)
OR
(a)What is file?Explain the Linux file structure.
(10)
(b)What is Shell?What are the various types shells
available on Linux system?Explain briefly.(10)
5.
Write short notes on following:-

(a)Device Management.
(b)Process Synchronization.
(c)Paging.
(d)Output Redirection. (20)

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