What are some of the symptoms that indicate a virus has infected a computer?

What will be an ideal response?


The symptoms that indicate a virus has infected a computer may include any of the following:
* A program suddenly disappears from the computer.
* New icons appear on the screen or are not associated with any recently installed programs.
* New programs do not install properly.
* Out-of-memory error messages appear.
* Programs that used to function normally now stop responding.
* The computer sometimes starts normally but at other times it stops responding before it finishes loading.
* Unusual dialog boxes or message boxes appear.
* Sounds or music plays from the speakers unexpectedly.
* The computer runs very slowly and takes a long time to start.
* There is a significant amount of modem activity.
* The computer restarts unexpectedly.
* Error messages appear listing "critical system files" that are missing and the operating system refuses to load.

Computer Science & Information Technology

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What property must be set on a menu item to have the user activate that option by pressing Ctrl + C on the keyboard?

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Which declares a 2-Dimensional array named The_Days and assigns it the days of the week?

A. char The Days[7][5] = {“Sun”, “Mon”, “Tue”, “Wed”, “Thu”, “Fri”, “Sat” }; B. string The_Days[ ][5] = {“Sun”, “Mon”, “Tue”, “Wed”, “Thu”, “Fri”, “Sat” }; C. char The Days[7][ ] = {“Sun”, “Mon”, “Tue”, “Wed”, “Thu”, “Fri”, “Sat” }; D. char The_Days[7][5] = {“Sun”, “Mon”, “Tue”, “Wed”, “Thu”, “Fri”, “Sat” };

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The task ____ date is either manually entered or automatically entered using the buttons on the Tracking toolbar.

A. Baseline Start B. Actual Start C. Start D. Interim Start

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You can access the Trust Center by clicking FILE on the ribbon, and then clicking the ____ tab to display the Access Options dialog box.

A. Manage B. Options C. Customize D. New

Computer Science & Information Technology