Operating System - Study Mode

[#76] Which of the following is/are external commands?
Correct Answer

(D) All of above

[#77] Which is not an external command?
Correct Answer

(D) None of the above

Explanation

Solution: External commands are predefined commands for end users. They are operating-system independent and are protected by authorizations, so that normal end users can schedule only those commands that the system administrator permits them to.

[#78] Which of the following is not essential to shut down your computer?
Correct Answer

(C) Switch off monitor

Explanation

Solution: After finding the power button, press the button to turn off the monitor. Sometimes, you may need to press and hold the power button for 2 or 3 seconds to power off the monitor. Some monitor power buttons may also only require your finger touch and not push in on the button.

[#79] What is Dr. Watson?
Correct Answer

(B) Diagnosis tool

Explanation

Solution: Dr. Watson is a diagnostic tool that gathers information about your computer when a problem occurs with a program. The information gathered by Dr. Watson is called a snapshot. The snapshot includes information that: Identifies the program that has a problem.

[#80] You can move a window to a different position on your screen by dragging it by its
Correct Answer

(A) Move handle