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Intel Interview Question for Software Engineer / Developers






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Refer to wikipedia at endotwikipediadotorgslashwikislashXD_bit

- SG May 08, 2007 | Flag Reply
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u sorry sob

- Anonymous December 09, 2009 | Flag Reply
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u sorry sob

- Anonymous December 09, 2009 | Flag Reply
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The malicious software will insert codes in other program's data storage area and execute them within the program; this is known as buffer overflow attack.

- Alvinup February 23, 2010 | Flag Reply
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Execute Disable bit (XD- Bit)
- A system feature that assists the processor to differentiate between code that can be executed safely and code that can be a threat to the system.

- Karan April 17, 2012 | Flag Reply
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Execute Disable bit (XD- Bit)
- A system feature that assists the processor to differentiate between code that can be executed safely and code that can be a threat to the system.

- Karan April 17, 2012 | Flag Reply
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where does XD- Bit resides?

- flipper April 10, 2013 | Flag
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The NX bit specifically refers to bit number 63 (i.e. the most significant bit) of a 64-bit entry in the page table. If this bit is set to 0, then code can be executed from that page; if set to 1, code cannot be executed from that page, and anything residing there is assumed to be data. It is only available with the long mode (64-bit mode) and legacy Physical Address Extension (PAE) page table formats, but not x86's original 32-bit page table format because page table entries in that format lack the 63rd bit used to disable/enable execution. - from wikipedia

- Anonymous June 23, 2014 | Flag


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