Operating System (OS) Which of the following statement about directories is false? Directories can exist inside directories Directories cannot be renamed The root directory is always at the highest level Directories can be deleted Directories can exist inside directories Directories cannot be renamed The root directory is always at the highest level Directories can be deleted ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A file organization component of a VSAM file is: relative record data set entry sequential data set keyed sequential data set All of these None of these relative record data set entry sequential data set keyed sequential data set All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Semaphores are used to do I/O synchronize critical resources to prevent deadlock synchronize critical resources to prevent contention None of these are used for memory management are used to do I/O synchronize critical resources to prevent deadlock synchronize critical resources to prevent contention None of these are used for memory management ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The operating system creates ___ from the physical computer Virtual space Virtual computers None of the listed here Virtual device Virtual space Virtual computers None of the listed here Virtual device ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) What is the initial value of the semaphore to allow only one of the many processes to enter their critical section? None of these 16 8 1 None of these 16 8 1 ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The working set theory of programming behaviour of processes running within an operating system involves the collection of pages that a process accesses None of these disk scheduling mechanisms assigning the CPU to processes coalescing holes in memory the collection of pages that a process accesses None of these disk scheduling mechanisms assigning the CPU to processes coalescing holes in memory ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS