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Recent questions and answers in Compilers & Operating Systems
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What is meant by speculative execution?
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What are the key functions of operating systems
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What are the categories of operating systems
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How to store large local data structures?
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Explain Explicit Allocation of Fixed Sized Blocks. What are Limitations of Fixed sized block allocation?
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What are the two methods of implementing block structure in compiler construction?
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how to reference the non-local variables.
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What is Dangling References?
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What is Dependence Graph ?
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What is Three Address Code?
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What are Advantages and Disadvantages of Operator Precedence Parsing?
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What are reasons why the analysis portion of a compiler is normally separated into lexical analysis and parsing (syntax analysis) phases?
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Explain TOKENS, PATTERNS and LEXEMES in compiler design?
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What is a compiler. Explain the various types of Compilers?
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NT splits the “virtual processor” into two parts, Explain both?
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What you know about windows NT. Write down the evolution and history of windows NT? State some design principles Also?
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Write down the history of UNIX. Also explain Design features of UNIX?
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What is a file?
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Explain Blocking v. Nonblocking I/O. Also explain Other I/O Issues?
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Explain the different page Page Replacement Algorithms?
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What are the various translation lookaside buffer (TLB) Issues?
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Explain Address Binding and Relocation?
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What is Round Robin Scheduling?
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What are the various scheduling criteria in Operating system?
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Write down a list of compilers ?
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Give an example of an application in which data in a file should be accessed in the following order: a. Sequentially b. Randomly
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Short note on Thrashing ?
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Explain different types of file operations ?
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What are 4 ways to implement the free space list ?
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What is the procedure to handle page fault ?
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Explain Banker's Algorithm for deadlock prevention?
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What are the various deadlock prevention methods. Explain?
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Explain semaphores in operating system? Also write about binary semaphore?
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What are various services provided by operating system?
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What are the Basic Functions of Operating Systems?
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Methods of communication between processes
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Address registers may contain:
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anonymous
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What is a Compiler
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Which type of disks are comfortable to which type of allocation and access method
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Explain three responsibilities that an operating system has for file management in a computer system.
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Clearly distinguish between interrupt and trap. Give examples to illustrate your answer
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Describe the process of specifying a major piece of software: the main documents produced, their immediate purpose and their ongoing role in the software life cycle
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What are the advantages of using a search engine?
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Consider a system consisting of processes P1, P2, ..., Pn, each of which has a unique priority number. Write a monitor that allocates three identical printers to these processes, using the priority numbers for deciding the order of allocation.
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Many SMP systems have different levels of caches; one level is local to each processing core, and another level is shared among all processing cores. Why are caching systems designed this way?
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How can a file system can be organised into a free structure and explain two advantages of such an arrangement
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DIFF BETWEEN LOAD TIME DYNAMIC LINKING VS RUN TIME DYNAMIC LINKING?
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Characteristics of a process in operating system. How are processes used in OS?
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Compare and contrast sequential access, direct access, and random access methods of accessing memory. Practically explain how these memory access methods are applied in modern storage systems. Give two examples in each case.
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You have been tasked to develop a program which will enable users in different branches to communicate. Describe in your own words the Inter-process mechanism you will employ in your program giving reasons for your choice.
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