Operating System (OS) Supervisor state is never used None of these only allowed to the operating system required to perform any I/O entered by programs when they enter the processor never used None of these only allowed to the operating system required to perform any I/O entered by programs when they enter the processor ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following appear in Windows menu bar? Edit Help File All of above Edit Help File All of above 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 can exist inside directories Directories cannot be renamed Directories can be deleted The root directory is always at the highest level Directories can exist inside directories Directories cannot be renamed Directories can be deleted ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Trojan-Horse programs are hidden programs that do not show up on the system do not usually work are legitimate programs that allow unauthorized access None of these usually are immediately discovered are hidden programs that do not show up on the system do not usually work are legitimate programs that allow unauthorized access None of these usually are immediately discovered ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is not an operating system ? Windows Linux Oracle DOS Windows Linux Oracle DOS ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following statement is true. None of these The LRU algorithm pages out pages that have been used recently Thrashing is a natural consequence of virtual memory systems. Seek analysis is used for analysing control-unit busy problems. All of these None of these The LRU algorithm pages out pages that have been used recently Thrashing is a natural consequence of virtual memory systems. Seek analysis is used for analysing control-unit busy problems. All of these ANSWER DOWNLOAD EXAMIANS APP
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