C Programming
The most popular Operating Systems right now are Microsoft Windows, Mac OS X, and /Linux. Each is written in C. Why? Because Operating Systems run directly on top of the hardware. There is no lower layer to mediate their requests. Originally, this OS software was written in the Assembly language,...
Đã lưu trong:
| Tác giả chính: | |
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| Định dạng: | Sách |
| Ngôn ngữ: | English |
| Được phát hành: |
Global Media
2011
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| Những chủ đề: | |
| Truy cập trực tuyến: | http://scholar.dlu.edu.vn/thuvienso/handle/DLU123456789/26107 |
| Các nhãn: |
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| Thư viện lưu trữ: | Thư viện Trường Đại học Đà Lạt |
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| Tóm tắt: | The most popular Operating Systems right now are Microsoft Windows, Mac OS X, and /Linux.
Each is written in C. Why? Because Operating Systems run directly on top of the hardware. There
is no lower layer to mediate their requests. Originally, this OS software was written in the
Assembly language, which results in very fast and efficient code. However, writing an OS in
Assembly is a tedious process, and produces code that will only run on one CPU architecture,
such as the Intel X86 or AMD64. Writing the OS in a higher level language, such as C, lets
programmers re-target the OS to other architectures without re-writing the entire code. |
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