Q.  An application loads 100 libraries at startup and loading each library exactly one disk access is required. 10ms is the seek time of the disk to a random location and 6000rpm is the rotational speed of the disk. Neglect the time to transfer data from the disk block once the head has been positioned at the start of the block. What will be the time taken by the application to load all the libraries, if all 100 libraries are loaded from random location on the disk?

View solution

Q.  In a virtual memory environment the minimum number of page frames that must be allocated to a running process is determined by ___________________.

View solution

Q. SSTF stands for

View solution

Q. The total time to prepare a disk drive mechanism for a block of data to be read from is its

View solution

Q. ________ is the time required by a sector to reach below read/write head.

View solution

Q. The methods or algorithms which are used to increase the performance of disk storage subsystem is called .............

View solution

Q. The ............... policy restricts scanning to one direction only.

View solution

Q. ............... policy selects the disk I/O request that requires the least movement of the disk arm
from its current position.

View solution

Q. In the linked allocation, the directory contains a pointer to the :
I. first block
II. last block

View solution

Q. ______ is a unique tag, usually a number, identifies the file within the file system.

View solution

Q. To create a file

View solution

Q. By using the specific system call, we can

View solution

Q. File type can be represented by

View solution

Q. Which file is a sequence of bytes organized into blocks understandable by the system’s linker?

View solution

Q. What is the mounting of file system?

View solution

Q. Mapping of file is managed by

View solution

Q. Mapping of network file system protocol to local file system is done by

View solution

Q. Which one of the following explains the sequential file access method?

View solution

Q. file system fragmentation occurs when

View solution

Q. Management of metadata information is done by

View solution