Microsoft's first operating system was MS-DOS 1.1. MS-DOS was based on the operating system 86-DOS which was purchased by Microsoft. Microsoft licensed MS-DOS 1.1 to IBM who resold it as PC-DOS 1.0.
Nope it's not, a multiuser OS can be used by many people, one at at time. Lets say you have one computer for the whole family to share, you can use a different login for them so they can only log into their part only after you are done with it.With a Multitasking OS you can do more then one thing at a time, like, watch a movie on your device and play a game at the same time.Here's another analogy, rub your belly and at the same time pat your head, that's multitasking.
UNIX is a multiuser, multitasking operating system originally developed in the 1960s and 1970s at Bell Labs. The name "UNIX" is derived from an earlier operating system called "Multics," with the "U" signifying its "uni" (single) user capabilities, though it evolved into a powerful multiuser system. UNIX is known for its stability, security, and portability, and has influenced many other operating systems, including Linux and macOS. It is widely used in servers, workstations, and embedded systems.
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When people stopped taking the trouble to learn correct grammer.
Both. Windows 3.1 and earlier used cooperative multitasking. Windows 95 and later use preemptive multitasking.
Identify the reasons that multiuser systems are used in business
MS-DOS was the first widely used operating system
The first widely used plastic was bakelite. Invented in the early twentieth century it became very widely used in the twenties and thirties, when it was almost the only plastic around.
Multiusers is when more than one user can do something at one time
Intel product
in 1956
No, "multitasking" does not have a hyphen. It is a compound word formed by combining "multi" and "tasking," and it is commonly written as a single word. Hyphens are typically used in compound adjectives or when clarity is needed, but in this case, "multitasking" is well-established as a standalone term.