Phần cứng memory management

Bài giảng Hệ điều hành - Chương 4: Bộ nhớ ảo (Lương Minh Huấn) có nội dung trình bày về các khái niệm bộ nhớ ảo, phân trang theo yêu cầu, thay thế trang, cấp phát khung trang, trì trệ toàn hệ thống, bộ nhớ thứ cấp, sơ đồ chuyển đổi địa chỉ,... Mời các bạn cùng tham khảo chi tiết nội dung bài giảng!

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System programming (or systems programming) is the activity of programming system software. The primary distinguishing characteristic of systems programming when compared to application programming is that application programming aims to produce software which provides services to the user (e.g. word processor), whereas systems programming aims to produce software which provides services to the computer hardware (e.g. disk defragmenter). It requires a greater degree of hardware awareness.

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This overview of Fortran 90 (F90) features is presented as a series of tables that illustrate the syntax and abilities of F90. Frequently comparisons are made to similar features in the C++ and F77 languages and to the Matlab environment.

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Introducing the Microsoft .NET Platform in use, these objects will always have a reference count greater than zero, so unless they are implicitly deconstructed, their memory may never be recovered. For a C or C++ programmer—accustomed to ensuring that objects are properly destroyed, essentially managing memory on their own—this sounds perfectly normal, and a good reason for not trusting anyone else to take care of managing resources. However, in the .NET environment, Microsoft is striving to make developing software easier. Later in this chapter, we cover a how .

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