Operating System (OS) The shortcut key to open a task manager is: Alt + Ctrl + Delete F1 Alt + F1 Alt + Tab Alt + Ctrl + Delete F1 Alt + F1 Alt + Tab ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) To save your computer from viruses you will do Scan the removable disk before using it Install antivirus software and run it Make physical safe for the removal disk All of these Scan the removable disk before using it Install antivirus software and run it Make physical safe for the removal disk All of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) A development strategy whereby the executive control modules of a system are coded and tested first, is known as Top-down development Left-Right development All of these Bottom-up development None of these Top-down development Left-Right development All of these Bottom-up development None of these ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Feed back queue are very easy to implement None of these are used to favor real-time tasks require manual intervention to implement properly dispatch tasks according to execution characteristics are very easy to implement None of these are used to favor real-time tasks require manual intervention to implement properly dispatch tasks according to execution characteristics ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following terms refers to the degree to which data in a database system are accurate and correct? data validity None of these data integrity data security data independence data validity None of these data integrity data security data independence ANSWER DOWNLOAD EXAMIANS APP
Operating System (OS) Which of the following does not support more than one program at a time? DOS Windows Linux Unix DOS Windows Linux Unix ANSWER DOWNLOAD EXAMIANS APP
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