CS2254 OPERATING SYSTEM QUESTION BANK PDF

CSOPERATING SYSTEMS QUESTION BANK. SUB. Why is the Operating System viewed as a resource allocator & control program? 3. What is the. Dear students here we provide question bank for Anna university 4th sem Subject CS OPERATING SYSTEM question bank pdf. you can download the OS. CS/ CS 45 / CS / CS / Operating Systems Part B Question Bank With Answers CSE,IT 4th Sem Semester regulation

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A thread that is to be cancelled is often referred to as the target thread. Differentiate the various file access methods. Anna University—Chemistry 1—January Question Low-level formatting also sets aside spare sectors not visible to the operating system. Compare user threads and kernel threads.

CSOperating Systems Question Bank Collection

Preemptive scheduling can preempt a process which is utilizing the CPU in between oprating execution and give the CPU to another process. Remember that frames are initially empty. Operating system does not allow child to continue if its parent terminates. Parent may terminate execution of children processes abort. What is Demand Paging?

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What are the operations that can be performed on a directory? At that point, it can execute with no more faults. What is an operating system?

What is process control block? This process is called swapping.

Operating system OS CS2254 previous year question papers

What is Mutual Exclusion? Define logical address and physical address. What do you mean by system calls? Give an example of a situation where variable-size records would be useful.

The short-term scheduler or CPU scheduler selects from uqestion the process that are ready to execute, and allocates the CPU to one of them.

If the program is loaded into memory starting at locationhow do those addresses have to be adjusted? It also has no name, and thus cannot be opened with open. What is a Path Name?

E Civil 5th Semester Question Therefore they are fairly sophisticated. What is Look Scheduling?

When starting execution of a process with no pages in memory, the operating system sets the instruction pointer to the first instruction of the process, which is on a non-memory resident page, the process immediately faults for the page.

What are the most common schemes questiin defining the logical structure of a directory? What is a File? Semaphores can be used to deal with the n-process critical section problem.

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Page -1 – CS – OPERATING SYSTEMS QUESTION BANK UNIT – I TWO MARKS | karthik M –

It controls and coordinates the use of the hardware among the various application programs for the various users. Monitor mode is also called supervisor mode, system mode or privileged mode. Digital Logic Circuits—Multiplexer and De-multiple What is Internal Fragmentation? Using c the valid-invalid bit traps illegal addresses.

Virtual memory is a technique that allows the execution of processes that may not be completely in memory. System Calls are also called as Monitor call or Cz2254 function call.

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Low-level formatting fills the disk with a special data structure for each sector. One thread immediately terminates the target thread is called asynchronous cancellation. How is memory protected in a paged environment?

What is the use of inter process communication? The process can operate on the resource.