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Steps To Fix Memory Management In Windows XP Ppt

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    In recent days, some users have faced Windows XP ppt memory management error. Several factors can cause this problem. Now we will deal with this.

    Presentation: “Memory Management In Windows XP And Vista” – Presentation Transcript:

    memory management in windows xp ppt

    Href = “// slideplayer only one Memory Management in Windows XP and Vista

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  • Objective To familiarize yourself with Windows techniques for implementing disk space management and disk space utilization.

    9 Windows XP Basics Windows XP uses the new Virtual Memory Manager (VMM)
    VMM creates 4 GB of contiguous space that spans both memory and disk space. Hard disk space is called the ideal paging file

    memory management in windows xp ppt

    4 Memory Organization in Windows XP
    EachThe process is supported by a unique virtual address of 4 GB, an area of ​​2 GB for a process, 2 GB for kernel mode add-ons. Each process has a table of website directory pages. usually it is a table stored on a generic sheet. Catalog tabs. The page directory is usually a table full of page directory lists (PDEs), each pointing to a table of pages on the market. The canvas of a page is made up of page table elements (PTEs) that point to or above the page frame in the main memory of the hard disk.

    5 Conversion of virtual addresses in Windows XP. To reduce the direct access time, Windows has also implemented a transform buffer (a buffer that contains a limited number of records and converts them directly from virtual to physical).

    2 Windows XP PTE framework – 5-bit 20-bit protection components for bias in the 4-bit page folder allowing pointing Whether the recording is on the hard disk and what type of paging file is in question. website that is in memory: Actual Modified Jump – Writes to Hard Drive

    9 Protection in the page table under Windows XP
    5 bits (called coverage bits) are stored on each PTE Security information 1 bit for read protection 1 bit for write rights 1 bit for transferring rights 1 bit for copying – Write 1 bit for specification if the system should throw an exception when accessing this PTE

    8 Windows XP Prefetch Logic Unit
    Windows preserves memory access that remains for some tasks, including Windows, and stores the information itself in script files. initializes devices, it makes another asynchronous request via preloading for most of the pages required by applications to load

    9 Windows XP Logical Prefetcher
    Getting Polite Page Layout on Disk What can be a nightmare using this method? Pages can enjoy the benefits distributed on the hard drive. To solve this problem, Prefetcher uses a system that does not waste time optimizing the page layout and moving web pages to the correct location on the hard drive.

    10 Advantages and Disadvantages of Windows XP Prefetcher – Reduces window startup time. Reduces the required access time to blank drives by simultaneously loading multiple websites for an application. Access Traces Most people, however, prefer faster application loading over more disk space.

    15 Windows XP Prefetching Options
    The default prefetching options can be changed byOnly in the Windows registry at the location below. EnablePrefetcher (DWORD) 0x = Application Launch Prefetcher 0x Equal To Start Preload 0x Equal To Both

    20 An overview of memory management in Windows Vista

    16 Superfetch Windows XP Prefetching Further Developments
    Security Enhancements: When blocks of memory are normally loaded into main memory, they are always written to a random location. This is called address space randomization or ASLR. This prevents malware from knowing the starting email address of a particular application, thereby preventing remote execution attacks.

    twelve Superfetch vs Prefetch – only many pages for apps when launching Superfetch always tries to save blog pages for most used apps In real memory

    15 Readyboost is the process of using USB or CF and SD flash memory cards to expand the main memory. The basic concept is that USB drives are available faster than hard drives.

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