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Recent questions and answers in Compilers & Operating Systems
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What are three objectives of operating system design?
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Nov 13
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Compilers & Operating Systems
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anonymous
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Differences between Manual and Computer files
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Oct 31
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What are some advantages that come along with concurrency on an operating system
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Oct 24
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What are some of the issues faced with regards to concurrency in the operating system
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Oct 24
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What are some systems that are classified as hard real time systems
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Oct 24
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What kind of operating systems do we have on our personal computers
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Oct 24
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What are the advantages of real time operating system
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Oct 24
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What are the types of bad block we have
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Oct 24
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What is a bad block
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Oct 24
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What is a boot block
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Oct 24
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What are some of the advantages of a monitor in shared data
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Oct 21
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In file system implementation, the file allocation table puts all links in one table, thus one entry per physical block in disk. Suggest the merits and demerits of this arrangement.
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Oct 21
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What is a monitor in OS
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Oct 21
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How does a monitor perform regulation of shared data
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Oct 21
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Explain the two types of code optimization done by the compiler
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Oct 17
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In compiler code optimization, what are the two types of code optimization
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Oct 17
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What are the steps carried out by the compiler
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Oct 17
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How do we know that Input/Output (I/O) is complete
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Oct 17
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How do compilers optimize code
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Oct 17
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What are some characteristics of the round robin algorithm
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Oct 12
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In round-robin scheduling, new processes are placed at the end of the queue, rather than at the beginning. Suggest reasons.
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Oct 12
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On early computers, every byte of data read or written was directly handled by the CPU when there was no Direct Memory Access (DMA). What implication does this organization have for multiprogramming
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Oct 6
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Compilers & Operating Systems
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On all current computers, at least parts of the interrupt handlers are written in assembly language. Why?
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Oct 6
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Compilers & Operating Systems
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List and explain the parameters that a multilevel feedback queue scheduler may need to execute its task
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Oct 6
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In a Batch system, the allocation of the processor is said to be user-dependent whereas in Time Sharing System, the allocation is said to be processor-dependent. Explain.
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Oct 5
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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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Oct 5
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Compilers & Operating Systems
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1
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A system has three (3) processes and four (4) identical resources. Each process needs a maximum of two (2) resources. Is a deadlock possible? Explain
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Oct 5
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Compilers & Operating Systems
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1
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If a system has only two processes, does it make sense to use a barrier to synchronize them?
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Oct 5
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Compilers & Operating Systems
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Is a timesharing system also needed in personal computer systems in which only one process exists, that process taking over the entire machine until it is finished?
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Oct 4
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Compilers & Operating Systems
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In a system with threads, is there one stack per thread or one stack per process when user-level threads are used? What about when kernel-level threads are used? Explain.
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Oct 4
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Compilers & Operating Systems
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A computer system has enough room to hold seven programs in its main memory. These programs are idle waiting for I/O half the time. What fraction of the CPU time is wasted?
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Sep 27
in
Compilers & Operating Systems
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1
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Is a clock interrupt an example of software or hardware interrupt
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Sep 27
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Compilers & Operating Systems
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Can a thread ever be preempted by a clock interrupt? If so, under what circumstances? If not, why not?
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Sep 27
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Compilers & Operating Systems
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1
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Can traps be generated intentionally by a user program? If so, for what purpose?
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Sep 27
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Compilers & Operating Systems
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(user.guest)
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What are the steps involved in communication on windows (IPC)
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Sep 21
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What are the types of buffer in IPC , and explain the zero capacity buffer
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Sep 21
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What is one major difference between message passing and shared memory
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Sep 21
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In mailbox sharing, processes P1, P2 and P3 share mailbox A. Process, P1 sends; processes, P2 and P3 receive. Who gets the message? Suggest a solution for this indirect communication
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Sep 21
in
Compilers & Operating Systems
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(user.guest)
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1
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What is the major set back/ issue with shared memory approach in IPC
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Sep 21
in
Compilers & Operating Systems
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(user.guest)
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What is one condition that may cause the fork() system call not to work
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Sep 19
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Do you think that advanced personal computers will have input and output spooling as a standard feature in the future? Give reasons for your answer
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Sep 19
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Compilers & Operating Systems
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(user.guest)
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What is output spooling
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Sep 19
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Compilers & Operating Systems
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(user.guest)
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1
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What is known as a selfish thread
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Sep 19
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Compilers & Operating Systems
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1
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Differentiate between input and output spooling
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Sep 19
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Compilers & Operating Systems
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(user.guest)
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1
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What is input spooling
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Sep 19
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1
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What procedure call will a thread invoke to voluntarily give up the CPU for another thread?
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Sep 19
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What is a semaphore and what are the types of semaphore we have
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Sep 16
in
Compilers & Operating Systems
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(user.guest)
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What are some Advantages of multi-level feedback queue scheduling
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Sep 16
in
Compilers & Operating Systems
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Describe the difference between preemptive and non-preemptive scheduling algorithms. Which is more suitable for a timesharing system and why?
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Sep 16
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Compilers & Operating Systems
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(user.guest)
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Why is the process table needed in a timesharing system?
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Sep 16
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Compilers & Operating Systems
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(user.guest)
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