1.) But what is the difference between Windows and Windows NT!
A major difference between Windows and NT is that Windows was still based on a DOS version, while NT only emulated DOS. As a result, old DOS software can no longer run under Windows 11, 10, ....
Under Windows 7, 8.1, (also NT) only DOS software is partially executable if it uses standard functions. Direct access to hardware leads to non-functionality.
The latest NT systems are based on 32-bit / 64-bit operating systems, these can only run 32-bit / 64-bit software! Old, pure 16-bit programs can no longer be run at all, and there is no longer downward compatibility!
1. What are the main differences between Windows and Windows NT?
Differences lie in the dependence on DOS in Windows and the emulation of DOS under Windows NT.
2. Which versions of Windows are still based on a version of DOS?
Windows up to Windows ME 98 are based on a version of DOS.
3. Why does DOS software no longer run on newer versions of Windows?
Because in the newer versions of Windows such as Windows 11, 10, etc., DOS is only emulated.
4. Which hardware accesses often lead to incompatibilities under Windows 7 and 8.1?
Direct hardware accesses often lead to incompatibilities under Windows 7 and 8.1.
5. What software architecture do the latest NT systems use?
The latest NT systems are based on 32-bit or 64-bit operating systems.
6. Can 16-bit programs run on 32-bit operating systems?
No, 16-bit programs cannot run on 32-bit operating systems.
7. What happens to pure 16-bit programs on the latest NT systems?
They cannot run at all anymore.
8. What is backward compatibility in terms of software?
Backward compatibility refers to whether older software will work on new systems.
9. What information is included in the Windows NT related tips?
There is information on Windows NT, file compatibility, WOW64, program compatibility, and using Windows XP.
10. How to open files from a 32-bit operating system on a 64-bit operating system?
Files can usually be opened from a 32-bit operating system on a 64-bit operating system, provided the software is compatible.
11. What does the abbreviation WOW64 mean on certain versions of Windows?
WOW64 stands for "Windows-on-Windows 64-bit" and allows 32-bit software to run on 64-bit Windows.
12. Which versions of Windows are referred to as "Running on Windows 5.0 and later" ?
Windows 2000 and later are referred to as "Running on Windows 5.0 and later" .
13. Why are some Windows XP computers still in use?
Some organizations stick with Windows XP, either for compatibility reasons or because of specific software requirements.
14. Are there any differences between MS Windows and Windows NT?
Yes, MS Windows up to Windows ME 98 was based on a version of DOS, while Windows NT only emulated DOS.
15. What are the effects of emulating DOS on Windows NT?
Emulating DOS under Windows NT allows older DOS software to run, but not always without errors.
16. Can all DOS software run under Windows 7 and 8.1?
Not all DOS software will run completely under Windows 7 and 8.1, especially those with direct hardware access.
17. What architecture are the latest NT systems built on?
The latest NT systems are built on 32-bit or 64-bit architectures.
18. Which programs run on 32-bit or 64-bit operating systems?
32-bit and 64-bit programs will run on their respective operating systems.
19. What happens to 16-bit software on the latest NT systems?
16-bit software will no longer run on the latest NT systems.
20. Why is there no backward compatibility for 16-bit programs?
The lack of backward compatibility for 16-bit programs is because the newer NT systems no longer support them.
21. What additional information do the related Windows NT tips provide?
The tips provide information on various aspects of Windows NT and related topics such as file compatibility and program usage.
22. Can you find WOW64 on all versions of Windows?
WOW64 is available on most 64-bit versions of Windows.
23. Which version of Windows is compatible with certain programs?
Compatibility with certain programs is guaranteed starting with Windows 2000.
24. Why do some organizations still choose to use Windows XP computers?
Some organizations stick with Windows XP, either for compatibility reasons or because of specific software requirements.
The questions and answers provide a good overview of the different aspects of Windows versions and their compatibility!
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