Skip to main content

Advantages Of Storing Files

By
State two advantages of storing files using the techniques of linked list allocation using index.

Advantages Of Storing Files

  • The main idea behind allocation is effective utilization of file space and fast access of the files. There are three types of allocation:
      • contiguous allocation
      • linked allocation
      • indexed allocation
  • Method of Storing File
      •  Contiguous allocation: this scheme used in early systems, allocation using first fit and a need for compaction. 
         Advantage: Simple – only starting location (block #) and length (number of blocks) are required. Advantage is its ease of direct access because every part of the file is stored in the same compact area.
        Disadvantage: Difficulty in finding space for a new file, Wasteful of space, Suffer from the problem of external fragmentation


        Contiguous allocation

      •  Link- List Noncontigous Allocation:

Comments

  1. Unknown4 August 2016 at 01:33

    Office Professional Plus 2016 sale , windows 7 sp1 ultimate 64 bit product key , windows 7 ultimate key product key free , free active key window 7 ultimate , windows vista genuine product key , windowns 7 pro key , Genuine Windows 10 Pro Online Key Sale , microsoft outlook 2010 product key , l6dQtg

    cheap office project 2013 product keys

    buy windows 7 ultimate sp1 product key

    Online Windows 10 Pro Product Key Store

    Windows 7 Home Premium SP1 key code

    buy cheap windows 7 product keys

    ReplyDelete

Post a Comment

Popular posts from this blog

Define Swapping technique which is usually used in memory management

By
  Define Swapping technique which is usually used in memory management   Swapping is a simple memory/process management technique used by the operating system(os) to increase the utilization of the processor by moving some blocked process from the main memory to the secondary memory(hard disk);thus forming a queue of temporarily suspended process and the execution continues with the newly arrived process.   After performing the swapping process, the operating system has two options in selecting a process for execution Swapping is a mechanism in which a process can be swapped temporarily out of main memory to a backing store , and then brought back into memory for continued execution. Backing store is a usually a hard disk drive or any other secondary storage which fast in access and large enough to accommodate copies of all memory images for all users. It must be capable of providing direct access to these memory images. Major time cons...
Post a Comment
Read more

Operating Systems Definition and the Classification of OS

By
             OPERATING SYSTEMS ( OS ) What is an operating system? An operating system (sometimes abbreviated as "OS") is the program that, after being initially loaded into the computer by a boot program, manages all the other programs in a computer. The other programs are called applications or application programs. The application programs make use of the operating system by making requests for services through a defined application program interface (API). In addition, users can interact directly with the operating system through a user interface such as a command language or a graphical user interface (GUI). An operating system performs these services for applications:     In a multitasking operating system where multiple programs can be running at the same time, the operating system determines which applications should run in what order and how much time should be allowed for each application before g...
23 comments
Read more

Types of Operating System

By
State four types of Operating System 1)       MICROSOFT WINDOWS Operating system designed and produced by Microsoft Corporation. Similar to other operating systems, Windows makes a computer system user-friendly by providing a graphical display and organizing information so that it can be easily accessed. The operating system utilizes icons and tools that simplify the complex operations performed by computers. Estimates suggest that 90% of personal computers use the Windows operating system. Microsoft introduced the operating system in 1985 and it has continued to be widely used despite competition from Apple's Macintosh operating system. example of windows Display of Window 8 Name Release date Release version Editions Build Windows 10 29 July 2015 NT 10.0 [1] Windows 10 Home. Windows 10 Mac 7 Windows 10 Enterprise Windows 10 Education Windows ...
3 comments
Read more