Operating System (OS) Which of the following is a type of systems software used on microcomputers? PC-DOS Unix MS-DOS None of these All of these PC-DOS Unix MS-DOS None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) How can you optimize performance of your computer? Defrag disk Delete unused files Scan for virus All of above Defrag disk Delete unused files Scan for virus All of above ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) In windows, start button is used to Run applications Device setting All of the listed here Turn off the system Run applications Device setting All of the listed here Turn off the system ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following is not a mode in starting windows ? Turbo mode Normal mode Safe mode Command prompt Turbo mode Normal mode Safe mode Command prompt ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Trojan-Horse programs usually are immediately discovered do not usually work are hidden programs that do not show up on the system None of these are legitimate programs that allow unauthorized access usually are immediately discovered do not usually work are hidden programs that do not show up on the system None of these are legitimate programs that allow unauthorized access ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Non-modifiable procedures are called topdown procedures None of these reentrant procedures serially usable procedures concurrent procedures topdown procedures None of these reentrant procedures serially usable procedures concurrent procedures ANSWER DOWNLOAD EXAMIANS APP
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