Operating System (OS) System maintenance: is usually not necessary is necessary on all systems, regardless of how good always requires several programs is not required if the system is well written None of these is usually not necessary is necessary on all systems, regardless of how good always requires several programs is not required if the system is well written None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A critical region is one which is enclosed by a pair of P and V operations on semaphores a program segment that has not been proved bug-free none is the above a program segment where shared resources are accessed a program segment that often causes unexpected system crashes one which is enclosed by a pair of P and V operations on semaphores a program segment that has not been proved bug-free none is the above a program segment where shared resources are accessed a program segment that often causes unexpected system crashes ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following statement about directories is false? The root directory is always at the highest level Directories cannot be renamed Directories can be deleted Directories can exist inside directories The root directory is always at the highest level Directories cannot be renamed Directories can be deleted Directories can exist inside directories ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Relocation bits used by relocating loader are specified (generated) by Relocating loader itself None of these Assembler or translator Linker Macro processor Relocating loader itself None of these Assembler or translator Linker Macro processor ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) The total time to prepare a disk drive mechanism for a block of data to be read from it is latency plus seek time latency plus transmission time latency None of these latency plus seek time plus transmission time latency plus seek time latency plus transmission time latency None of these latency plus seek time plus transmission time ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which one is not a system tool? All of the listed here Backup Disk defragment Virus scanning All of the listed here Backup Disk defragment Virus scanning ANSWER DOWNLOAD EXAMIANS APP
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