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The following information is available for three MPS (Master Product Scheduling) items:
Product A An 80 unit order is to be started in Week 3.
A 55 unit order is to be started in week 6.
Product B A 125 unit order is to be started in week 5
Product C A 60 unit order is to be started in week 4.
Develop the material requirements plan for the next 6 weeks for items D, E, and F. The BOMs (Bill of Materials) are shown in the below figure (1), and the data from the inventory records are shown in table 2. (Warning: A safety stock requirement applies to item F. Be sure to plan a receipt for any week in which the projected on-hand inventory becomes less than the safety stock.)
Difference between threads and processes 1. Thread is flow of implementation. Process is group of instruction which is alike to that of a program except which may be stopped an
Suppose we want to program a Web server; we could easily do so without using concurrency, as follows: while(true) wait connection read from socket and parse url look up url cont
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
What is the use of fork and exec system calls? Fork is a system call by which a latest process is created. Exec is also a system call, which is used after a fork by one of the
What is the benefits OS co-operating process? Information sharing. Computation speeds up. Modularity. Convenience.
Using pages makes it easier to manage the whole memory, avoiding excessive fragmentation and waste. As an analogy, think of Tetris, but with only square blocks: it is relatively ea
Q. Consider a system that holds 5000 users. Presume that you want to allow 4990 of these users to be able to access one file. a. How would you denote this protection scheme in
Acyclic Graph Directories In this kind of directory structure the shared directories or files can exist in the file system in two or more places at once. A tree structure excl
List five services provided by an operating system. Explain how each provides convenience to the users. Explain also in which cases it would be impossible for user-level programs t
Q. Give an instance of an application in which data in a file should be accessed in the following order: a. Sequentially b. Randomly Answer: a. Print the content of
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