All Questions
Tagged with 64-bit operating-systems
42
questions
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Emulating an Operating System inside web browser
Is it possible to natively emulate an x64 operating system inside a web browser?
- 115
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2
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Why can a 64-bit OS take full advantage of a 4GB RAM but a 32-bit OS cannot? [duplicate]
(Preamble: I understand that there are similar questions, but I'm specifically trying to understand why having more than 32 bits help accessing that 0.5 GB when having 232 addresses is more than ...
- 103
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37
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How a 32 bit number stored in 64 bit processor with 32 bit OS? [duplicate]
When a 64 bit OS runs on a 64 bit processor, the processor processes the whole 64 bit (8 bytes) in one go.
Suppose a 32 bit OS runs on a 64 bit processor, how is data extracted? Is 32 bits (4bytes) ...
- 53
-1
votes
1
answer
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Jon Erickson's book - bootable CD
Jon Erickson's interesting book on hacking contains a bootable Ubuntu linux-based CD that has preconfigured environment that would help the reader apply the code examples in the book. However, the CD ...
- 171
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1
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Why can't x86 (32-bit) operating systems use more than 3.25 GB of RAM memory and not whole 4 GB? [duplicate]
I know that 32 bit machines cannot use more than 4 GB of RAM since they cannot address this many memory addresses.
However I do not understand why almost all 32 bit operating systems including Window ...
- 1,863
-2
votes
1
answer
401
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What is variable length instruction, What is its importnace in 32 and 64 bit OS [duplicate]
While reading about 32 bit vs 64 bit OS i came to know that there is instruction length varies from 32 bit to 64 bit. What actually it means and what is its importance?
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1
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173
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Does the chipset also determines installablility of 32bit OS or 64bit OS?
I have Fujitsu Lifebook A6025 with Pentium T2130 and Intel® 945GM/ ICH7-M chipset according to the spec. I want to upgrade the CPU to Intel Core 2 Duo Mobile T7400(Socket M) CPU. The T2130 CPU ...
- 111
5
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2
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32-bit to 64-bit skipping 48-bit?
Computer architecture upgraded from 16-bit to 32-bit to 64-bit. What was the logic for skipping 48-bit? What reasoning was used to upgrade to 64-bit and not some other exponent?
The following tables ...
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1
answer
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Intel E7500 OS supports
I have an Intel E7500 processor on a HP Compaq 6000 Pro MT PC. Processor info in msinfo32.exe shows this:
Processor Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz, 2933 Mhz, 2 Core(s), 2 Logical ...
- 103
26
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6
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Memory limits in 16, 32 and 64 bit systems
The theoretical memory limits in 16, 32 and 64 bit machines are as follows:
16 bit = 65,536 bytes (64 Kilobytes)
32 bit = 4,294,967,296 bytes (4 Gigabytes)
64 bit = 18,446,744,073,709,551,616 (16 ...
- 648
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2
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Is there any disadvantage to running a 64 bit OS on a low memory system? [duplicate]
Possible Duplicate:
advantage of 64 bit os on system with only 2Gb
Is there any disadvantages in running a 64 bit OS on a low memory system, say 2GB of RAM or less? Would there be any advantage ...
- 73.6k
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1
answer
401
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Which Official ISO do I Download?
I wanted to do a clean install of my Win7 after I get my HDD so I decided to download the Official ISO from here.I got this link from HP's website. I have the product key with me but not the discs ...
- 694
44
votes
1
answer
7k
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Do 64bit software/applications require more RAM than their 32bit counterparts?
I just saw these minimum requirements for a game:
Memory: 2GB for 32-bit OS or 4GB for 64-bit OS
Why does the 64bit OS require more RAM than its 32bit counterpart?
- 709
1
vote
1
answer
164
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32-bit operating system on 64-bit machine with 4 gigabytes of memory or less [duplicate]
Possible Duplicate:
Other benefits of 64-bit OS apart from memory expansion?
I'm going to be buying a laptop soon. I'm going to install Linux so that it will dual-boot Windows and Linux. If it ...
user146832
2
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3
answers
3k
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Is my laptop processor 64bit?
I have a Lenovo Ideapad Y510. I have always used 32bit OS in it. Yesterday I came across this detail of my laptop and it says processor of my laptop is 64bit (hope I have not misinterpret anything) so ...
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