Operating System - Study Mode

[#126] Which is not external command?
Correct Answer

(B) Verify

Explanation

Solution: An external command is an MS-DOS command that is not included in command.com. External commands are commonly external either because they require large requirements or are not commonly used commands. Related external command pages. MS-DOS and Windows command line help and support.

[#127] What is the method of handling deadlocks?
Correct Answer

(D) All of the Above

Explanation

Solution: The strategy of deadlock prevention is to design the system in such a way that the possibility of deadlock is excluded. Use a protocol to ensure that the system will never enter a deadlock state. Allow the system to enter the deadlock state and then recover.

[#128] To delete a file without allowing it to store in recycle bin
Correct Answer

(B) Press Shift + Delete key

Explanation

Solution: To delete a file without allowing it to store in recycle bin Press Shift + Delete key. Shift + Delete are used to delete the selected item permanently without placing the item in the Recycle Bin.

[#129] Operating system is a ......
Correct Answer

(A) System software

Explanation

Solution: An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

[#130] To display a shortcut menu for an object you use
Correct Answer

(B) Right click the object

Explanation

Solution: To display a shortcut menu for an object you use Right click the object. The type of text it displays or the type of text you are asked to provide depends on the application or the situation.