FUNDAMENTALS OF COMPUTER

UNDERSTANDING COMPUTER FILES

FILE EXTENSIONS AND FILE TYPES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Everything F4
A
Closes an application
B
saves a file
C
copies
D
pastes
Explanation: 

Detailed explanation-1: -Alt+F4 is a shortcut key most often used to close the current active window. Alt+F4 doesn’t close the current minimised window. It closes the window which is maximised window which is opened now.

Detailed explanation-2: -The F4 key is a function key found at the top of almost all computer keyboards. The key is often used with the Alt and Ctrl keys to close open windows and tabs.

Detailed explanation-3: -The Alt +F4 shortcut key is used to close active window.

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