1. ms-dos 1981
2. windows 2.0 1987
3. windows xp 2001
4. mac os 2001
5. windows 7 2009
Answer:
The answer is A
Explanation:
Basically, Shortest job first (SJF) is a scheduling policy that selects jobs on queue for execution within a short execution time.
From the definition of SJF above, it means that there are a lot of process on queue and the (SJF) job is to receive processes on queue to execute within a short execution time.
Therefore, if all the jobs or process arrives at the SJF at the same time, the SJF will forfeit one of its major purpose which is scheduling of jobs.
That will therefore not make Non-preemptive Shortest Job First (SJF) not function at its optimal point.
Answer:
Copyrighted.
Explanation:
Patent can be defined as the exclusive or sole right granted to an inventor by a sovereign authority such as a government, which enables him or her to manufacture, use, or sell an invention for a specific period of time.
Generally, patents are used on innovation for products that are manufactured through the application of various technologies.
Basically, the three (3) main ways to protect an intellectual property is to employ the use of
I. Trademarks.
II. Patents.
III. Copyright.
Copyright law can be defined as a set of formal rules granted by a government to protect an intellectual property by giving the owner an exclusive right to use while preventing any unauthorized access, use or duplication by others.
Hence, a copyrighted image would require you to obtain permission from the author to use the image and possibly pay a royalty to the author for its use.
The letter LAN stand for : Local Area Network
Answer:
Explanation:
If we want to insert the appropriate functions, we can know the operation, for example, it could be a sum, multiply, average or only divide, but if we want to apply for a format number like accounting number, we must go to the tab home and the section number, we can change the format number, an accounting or even text format.
