Linux Operating System is an __________.
Which of the following memory allocation scheme suffers from External fragmentation?
Distributed OS works on the ________ principle
The problem of fragmentation arises in ________.
The program is known as _________ which interacts with the inner part of called kernel.
Cryptography technique is used in ________.
Which of the following is not advantage of multiprogramming?
In ______ OS, the response time is very critical.
Which technique was introduced because a single job could not keep both the CPU and the I/O devices busy?
CPU performance is measured through ________.
A __________ is a software that manages the time of a microprocessor to ensure that all time critical events are processed as efficiently as possible. This software allows the system activities to be divided into multiple independent elements called tasks.
The primary job of the operating system of a computer is to ________.
Which of the following is a criterion to evaluate a scheduling algorithm?
Super computers typically employ _______.
In the running state
The kernel of the operating system remains in the primary memory because ________.
What is the first step in performing an operating system upgrade ?
In a virtural memory environment
Situations where two or more processes are reading or writing some shared data and the final results depends on the order of usage of the shared data, are called ________.
_________ allocates the largest hole available in the memory.
A process is starved
Replace the page that will not be used for the longest period of time. This principle is adopted by ____________.
The operating system of a computer serves as a software interface between the user and the ________.
In a resident – operating system computer, which of the following system software must reside in the main memory under all situations?
A solution to the Dining Philosophers problem which avoids deadlock is
The files (F1,F2,F3,F4,F5,F6) and their corresponding sizes are (100,200,70,40,250,50) respectively are to be stored on a sequential device in such a manner to optimize access time. In what order should the files be stored?
65. An operating system uses a Least Recently used (LRU) page replacement algorithm for managing memory. Consider the following page replacement reference string where each reference is made in one unit of time:
1,8,1,7,8,2,7,2,1,8,3,8,2,1,3,1,7,1,3,7
Which of the following is the number of page faults that are generated for this particular LRU
case assuming that the process has been allocated four page frame?
With a segmentation, if there are 64 segments and the maximum segment size is 512 words, the length of logical address is how many bits?
Data security threats include
If the files (F1,F2,F3,F4,F5,F6) and their corresponding sizes are (100,200,70,40,250,50) are to be stored in such a manner to optimize access time, What will be the approximate average access time of a record from one of the six files on the sequential device?