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2. 32-bit computing - Wikipedia

   en.wikipedia.org/wiki/32-bit_computing

   A 32-bit register can store 2 32 different values. The range of integer values that can be stored in 32 bits depends on the integer representation used. With the two most common representations, the range is 0 through 4,294,967,295 (2 32 − 1) for representation as an binary number, and −2,147,483,648 (−2 31) through 2,147,483,647 (2 31 − 1) for representation as two's complement.

3. Operating system - Wikipedia

   en.wikipedia.org/wiki/Operating_system

   An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, peripherals, and other ...

4. x86 - Wikipedia

   en.wikipedia.org/wiki/X86

   The 64-bit extensions to the x86 architecture were enabled only in the newly introduced long mode, therefore 32-bit and 16-bit applications and operating systems could simply continue using an AMD64 processor in protected or other modes, without even the slightest sacrifice of performance [48] and with full compatibility back to the original ...

5. 64-bit computing - Wikipedia

   en.wikipedia.org/wiki/64-bit_computing

   However, most 32-bit applications will work well. 64-bit users are forced to install a virtual machine of a 16- or 32-bit operating system to run 16-bit applications or use one of the alternatives for NTVDM. [39] Mac OS X 10.4 "Tiger" and Mac OS X 10.5 "Leopard" had only a 32-bit kernel, but they can run 64-bit user-mode code on 64-bit processors.

6. Windows 11 - Wikipedia

   en.wikipedia.org/wiki/Windows_11

   Windows 11 is the latest major release of Microsoft 's Windows NT operating system, released on October 5, 2021. It succeeded Windows 10 (2015) and is available for free for any Windows 10 devices that meet the new Windows 11 system requirements. Windows 11 features major changes to the Windows shell influenced by the canceled Windows 10X ...

7. Year 2038 problem - Wikipedia

   en.wikipedia.org/wiki/Year_2038_problem

   Starting with Ruby version 1.9.2 (released on 18 August 2010), the bug with year 2038 is fixed, [16] by storing time in a signed 64-bit integer on systems with 32-bit time_t. [17] Starting with NetBSD version 6.0 (released in October 2012), the NetBSD operating system uses a 64-bit time_t for both 32-bit and 64-bit

8. MS-DOS - Wikipedia

   en.wikipedia.org/wiki/MS-DOS

   MS-DOS (/ ˌɛmˌɛsˈdɒs / em-es-DOSS; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86 -based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few operating systems attempting to be compatible with MS-DOS, are sometimes referred ...

9. Timeline of operating systems - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_operating_systems

   1953. DYSEAC - an early machine capable of distributing computing. 1955. General Motors Operating System made for IBM 701 [2] MIT 's Tape Director operating system made for UNIVAC 1103 [3][4] 1956. GM-NAA I/O for IBM 704, based on General Motors Operating System.