computer-architecture

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Where to get all versions of x86 aka IA32 Instruction Set Architecture manuals

I know about Intel 64 and IA-32 Architectures Software Developer\'s Manuals. I also know that these cover all the legacy & old processor ISAs.[详细]

2023-01-02 06:51 分类：问答
how do addressing modes work on a physical level?

I\'m trying to learn this basic thing about processors that should be taught in every CS department of every university. Yet i can\'t find it on the net (Google doesn\'t help) and i can\'t find it in[详细]

2022-12-27 01:35 分类：问答
32 vs 64 bit...or, what exactly does 'processing information' mean

I am having trouble understanding the difference between a 32 bit processor and 6开发者_运维技巧4 bit processor. I know that a 32 bit processor can access 32 bits at a time while a 64 bit processor ca[详细]

2022-12-24 17:19 分类：问答
16 bit processor , memory addressing and memory cells

Suppose the accumulater register of the processor is of 16 bit , now we can call this processor as 16 bit processor, that is this processor supports 16 bit addressing.[详细]

2022-12-24 14:55 分类：问答
CPU Switches from User mode to Kernel Mode : What exactly does it do? How does it makes this transition?

CPU Switches from User mode to Kernel Mode : What exactly does it do? How does it makes this transition?[详细]

2022-12-24 01:21 分类：问答
how can we find that this processor supports how much memory?

I have just started the Assembly language programming and in the first 开发者_高级运维lecture our teacher told us about intel 8080 and intel 8085 and he said there was 64k memory with these processor.[详细]

2022-12-23 07:25 分类：问答
Get multiple GROUP BY results per group, or use separate concatenated table

I am working on an auction web application. Now i have a table with bids, and from this table i want to select the last 10 bids per auction.[详细]

2022-12-22 03:10 分类：问答
How does the NX flag work?

开发者_开发技巧Could you please explain what the NX flag is and how it works (please be technical)?It marks a memory page non-executable in the virtual memory system and in the TLB (a structure used b[详细]

2022-12-18 09:03 分类：问答
Dummy operations handling of Intel processor

Admittedly, I have a bit silly question. Basically, I am wondering if there are some special mechanisms provided by Intel processors to efficiently[详细]

2022-12-17 02:40 分类：问答
What are the different areas of Memory & Disk?

I\'m neither sure about if this is a right place to ask nor sure about how to put my query. Let me put it this way:[详细]

2022-12-16 13:27 分类：问答