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OS-2Sem-MCQ-Practice
Quiz by Mingalar NSP
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
What does DMA stand for?
In which of the following storage is data stored persistently?
Which operating system concept involves dividing the memory into fixed-sized blocks?
What is the purpose of the page table in an operating system?
Which command in Unix is used to list files in a directory?
The operating system maintains a ______ table that keeps track of how many frames have been allocated, how many are ther, and how many are available.
The _______ presents a uniform device-access interface to the I/O subsystem, much as system calls provide a standard interface between the application and the operating system.
The operating system keeps a small table containing information about all open files called _____.
What will happen in the single level directory?
To recover from failures in the network operations _______ information may be maintained.
On systems where there are multiple operating system, the decision to load a particular one is done by _____.
Whenever a process needs I/O to or from a disk it issues a _____.
The two steps the operating system takes to use a disk to hold its files are ____.
In SCSI disks used in high end PCs, the controller maintains a list of _____ on the disk. The disk is initialized during _____ formatting which sets aside spare sectors not visible to the operating system.
Network operating system runs on _____.
What are the types of distributed operating systems?
Caching is ________ spooling.
Caching _______ .
Spooling ________ .
The ______ keeps state information about the use of I/O components.
The kernel data structures include _______.
I/O is a ______ in system performance.
If the number of cycles spent busy - waiting is not excessive, then _____.
When memory is divided into several fixed sized partitions, each partition may contain _____.
In fixed size partition, the degree of multiprogramming is bounded by _______.
The first fit, best fit and worst fit are strategies to select a _______.
External fragmentation exists when _____.
When the memory allocated to a process is slightly larger than the process, then _____.
Logical memory is broken into blocks of the same size called _______.
The _______ is used as an index into the page table.
