Tag Archive: Operating System

Top 25 MCQ Questions On File Management In OS

1. A ……………….. is the basic element of data where individual field contains a single value, such as an employees last name, a data or the value of the sensor reading. A) field B) record C) file D) database 2. A ……………………. is collection of related fields that can be treated as a unit by some application program. A) field B) record C) file D) database 3. …………………….. communicate directly with peripheral devices or their controllers or channels. A) Device…
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Top 20 MCQ On I/O Management And Disk Scheduling

1. Which of the following is/are the technique(s) for performing I/O management function. A) Programmed I/O B) Interrupt driven I/O C) Direct Memory Access D) All of the above 2.  In ………………., the processor issues an I/O command, on behalf of a process, to an I/O module. A) Programmed I/O B) Interrupt driven I/O C) Direct Memory Access D) Virtual Memory Access 3. In ……………….., the processor issues an I/O command on behalf of a process, continues to execute subsequent…
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Top 20 MCQ On Multiprocessor And Real Time Scheduling

1. Which of the following are the proposals for multiprocessor thread scheduling and processor assignment. i) Load Sharing  ii) Gang Scheduling   iii) Dynamic Scheduling   iv) Load Scheduling A) i, ii and iii only B) ii, iii and iv only C) i, iii and iv only D) All i, ii, iii and iv 2.  In ………………… a set of related threads is scheduled to run on a set of processors at the same time, on a one to one basis. A)…
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Top 30 MCQ Questions On Uniprocessor Scheduling In OS

1. ………………. is a decision to add a new process to the set of processes that are currently active. It is performed when a new process is created. A) Long term scheduling B) Medium term scheduling C) Short term scheduling D) I/O scheduling 2. ………………. is a part of the swapping function in which the decision to add to he number of  process that are partially or fully in main memory. A) Long term scheduling B) Medium term scheduling C)…
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MCQ Questions On Memory Management In OS Part-3

1. With ……………….. a page is brought into main memory only when a reference is made to a location on that page. A) prepaging B) demand paging C) page buffering D) precleaning 2. ……………. exploits  the characteristics of most secondary memory devices, such as disks, which have seek times and rotational latency. A) prepaging B) demand paging C) page buffering D) precleaning 3. In most operating system texts, the treatment of memory management includes a section entitled “……………….”, which deals…
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MCQ Questions On Memory Management In OS Part-2

1. In …………….. ,a program may be too big to fit into a partition, so the programmer must design the program with the use of overlays so that only portion of the program needed to be in main memory at any time. A) Fixed partitioning B) Dynamic partitioning C) Virtual memory paging D) Simple segmentation 2. The phenomenon, in which there is wasted space internal to a partition due to the fact that the block of a data loaded is…
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MCQ Questions On Memory Management In OS Part-1

1. Which of the following is/are the requirements of memory management. i) Relocation   ii) Protection   iii) Sharing  iv) Memory organization A) i, ii and iii only B) ii, iii and iv only C) i, iii and iv only D) All i, ii, iii and iv 2. Satisfaction of the relocation requirement increases the difficulty or satisfying the …………… requirement. A) Protection B) Sharing C) Logical Organization D) Physical Organization 3. The ……………… requirement must be satisfied by the processor rather…
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MCQ Questions On Deadlock And Starvation In OS Part-2

1. With …………………….., requested resources are granted to processes whenever possible. A) deadlock detection B) deadlock deletion C) deadlock prevention D) deadlock avoidance 2. Which of the following are the strategies needed for  recovery once deadlock has been detected. i) Abort all deadlocked processes ii) Backup each deadlocked process to some previously defined checkpoint and restart all processes iii) Successively abort deadlocked processes until deadlock no longer exists. iv) Successively preempt resources until deadlock no longer exist. A) i, ii…
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MCQ Questions On Deadlock And Starvation In OS Part-1

1. A ……………… is one that can be safely used by only one process at a time and is not depleted by that use. A) Reusable Resource B) Single Process Resource C) Consumable Resource D) Produced Resource 2. Processors, I/O channels, main and secondary memory devices, and data structures such as files, databases and semaphores are the examples of …….. A) Reusable Resources B) Single Process Resources C) Consumable Resources D) Produced Resources 3. ……………………. is one that can be…
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Top 20 MCQ On Mutual Exclusion And Synchronization In OS

1. To enforce ………………….. two functions are provided enter-critical and exit-critical, where each function takes as an argument the name of the resource that is the subject of competition. A) Mutual Exclusion B) Synchronization C) Deadlock D) Starvation 2. In ………………. only one process at a time is allowed into its critical section, among all processes that have critical sections for the same resource. A) Mutual Exclusion B) Synchronization C) Deadlock D) Starvation 3. Which of the following facility or…
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