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- If users try to access information via a system that is not properly linked, they could run into the following problems.One of the reasons the object files generated by the assembler is not executable is that each object file is created independent of other object files in the program. Hence they are notawareoftheotherobjectfilesintheprogram;therefore,linkingofobjectfilesinneeded to generate an executable file. If a project has only one source file (hence one object file) and is it is not using any library files, can this object file be executed? Why or why not?Compilers and Assemblers translate each source file individually to generate object code files. Hence the object files need to be linked together before they can be executed. Theoretically, however, it is possible to skip the linking step and directly have compilers generate the final executable file. What would be the down side of taking the latter approach?
- Compilers and assemblers create object code files from source files. To run the object files, they must first be linked together. Theoretically, compilers may build final executable files without linking. What are the drawbacks of the latter approach?As a consequence of the mechanism that detects deadlocks, those who have reached a standstill are given access to the resources that are accessible to them.Compilers and assemblers are responsible for turning source files into files containing object code. First, the object files need to be linked together before they can be executed. Compilers have the potential to produce final executable files even in the absence of linking. What are some of the problems associated with using the second approach?
- Main Memory (MM) and Central Processing Unit are important resources of the computer system that must be carefully managed. The part of Operating System (OS) that manages the memory is called Memory Manager. 'Partition' is a memory management scheme, which allocates processes in MM into a unique fixed-size partition; each partition contains exactly one process. When a partition is free, the OS selects a process from the input queue and loads it into the free partition; when the process terminates, the partition becomes available; a free partition is called 'hole'. Please, reply to the following questions by giving your own ORIGINAL and UNIQUE answers: a) Draw a picture of the Main Memory (MM) divided into A 'assigned partitions' and B 'holes': fix your values for A and B1, and draw the corresponding MM layout. In the following, Pi, Pj and Pk are three processes residing in MM b) Considering the 7 states diagram, answer to the following questions: 1) Can Pi be in the 'New' state? Why?…Show with an example, how a resource allocation graph can be used to detect a deadlock in operating system?A web based library system is to be developed that provides a single interfaceto a number of databases of articles in different university libraries across thecountry. With this system, students can search for an article by either enteringthe title, the author’s name, or the date of publication or all. The library systemfirst searches the local university library of the student and if the said article isnot available, the system then further searches libraries of other universities.The system is also used by the library staff and they provide regularmaintenance of the library system such as cataloging the various articles andperforming user administration. Suppliers or publishing houses also providenew articles regularly to the system. Users can either download an article andread without printing or can make their own copy by printing depending onthe copy right restrictions on the said article. User’s therefore first searches foran article and before the article can be retrieved, the…
- Memory-stored information may be accessed in two ways: sequentially or directly. So, why do most cutting-edge gadgets employ direct access, and what are its benefits? How can information developed in a sequential-access environment be made accessible in a direct-access environment?I have this question: One of the reasons the object files generated by the assembler is not executable is thateach object file is created independent of other object files in the program. Hence they arenotawareoftheotherobjectfilesintheprogram;therefore,linkingofobjectfilesinneeded togenerate an executable file. If a project has only one source file (hence one object file) andis it is not using any library files, can this object file be executed? Why or why not? This is the answer: No. The format of object files is different from that of executable files. Furthermore, the assemblers assume,during translation,that the object file would be loaded in the memory starting from address zero, which is almost never true in modern operating systems. But I am not understanting well the reason.Memory Management: THE RETURN OF TERRY Terry is back. After failing miserably as a Tunnel designer, Terry went and found a nice easy office job, but all is not well. Terry's head has only 2048 kilobytes of memory. There is a notebook which Terry carries around that has 200 pages in it each capable of holding 256 Kilobytes of information. Your mission should you choose to accept it: HELP TERRY 1. Design a system for Terry using what you know of memory management which will allow them to use the notebook to organize information. Include in your description how you might implement addresses, and the mapping of those addresses (MMU operation) 2. Using this analogy, in a real memory management system, what would be the virtual memory size of the Terry/Notebook system.