Explain disk scheduling algorithms-shortest seek time first, Operating System

Assignment Help:

SSTF (Shortest Seek Time First)

After a demand go to the closest request in the work queue regardless of direction
Decrease total seek time compared to FCFS
Disadvantages
Starvation is probable stay in one area of the disk if very busy
Switching directions deliberates things down

Related Discussions:- Explain disk scheduling algorithms-shortest seek time first

Define the os/2 threads code, Define the OS/2 threads code The sample p...

Define the OS/2 threads code The sample program in Listing is very similar to the NetWare example. OS/2 commands are substituted for the pseudocode commands controlling thread

Implementation of lru, 1. On every access, mark the page with a timestamp. ...

1. On every access, mark the page with a timestamp. Whenever we need to evict a page, we search through memory for the oldest page, the least-recently used page. But we need memory

Explain important fuction of virtual file system, Virtual File System serve...

Virtual File System serves two important functions. 1. It divides file-system-generic operations from their execution by defining a clean VFS interface. 2. The VFS is based

Explain the booting process for a windows xp system, Q. Explain the booting...

Q. Explain the booting process for a Windows XP system? Answer: (1) Since the hardware powers on the BIOS begins executing From ROMand loads as well as executes the bootstrap

Memory management, 4. Describe priority scheduling algorithm. Consider the ...

4. Describe priority scheduling algorithm. Consider the following set of processes. Show the order in which the algorithm will schedule these processes. Assume preemptive and non-p

List post-installation procedures that need to be performed, Problem: (...

Problem: (a) Based on your experience in setting up Windows 2003 Server operating system, briefly describe the twelve different steps in which the installation is conducted du

What is segmentation?, SEGMENTATION In a memory management system that ...

SEGMENTATION In a memory management system that is properly a programmer views a program to be collection of program components called as segments . Every segment is a logical

What is the drawbacks of contiguous allocation of disk space, What are the ...

What are the drawbacks of contiguous allocation of disk space? The disadvantages are a. Suffers from internal fragmentation b. Suffers from external fragmentation c. F

What is the use of multiprogramming on individual processors, What is the u...

What is the use of multiprogramming on individual processors ? In the usual multiprocessor, which is dealing with independent or coarse-grained synchronization granularity, it i

Mutual exclusion variable, Since each thread has its own processing space t...

Since each thread has its own processing space therefore communication between threads will need to be done through a common global variable. Since multiple threads can access the

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages