Questions 76–82 of 82 Operating Systems MCQs — start at page 1 for an overview.
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Operating Systems
Date and time are displayed on the ____?
Correct answer: B
The date and time are typically displayed on the taskbar, specifically in the system tray area, in most operating systems like Windows. The other options do not usually show the date and time.
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Operating Systems
A set of processes is in deadlock if:
Correct answer: A
A deadlock occurs when each process in a set is blocked, waiting for an event that can only be triggered by another blocked process in the same set. As a result, none of the processes can proceed, and they remain blocked forever.
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Operating Systems
A program that acts as an intermediary between a user of a computer and the computer hardware is called:
Correct answer: C
An operating system acts as an intermediary between the user and the computer hardware, managing resources and providing a user interface.
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Operating Systems
A(n) ____ system is a set of programs containing instructions that coordinate all the activities among computer hardware resources.
Correct answer: A
An operating system is a set of programs containing instructions that coordinate all the activities among computer hardware resources. It manages hardware and software resources and provides common services for computer programs.
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Operating Systems
A(n) ____ is a set of programs designed to manage the resources of a computer, including starting the computer, managing programs, managing memory, and coordinating tasks between input and output devices.
Correct answer: D
An operating system is a set of programs that manages computer resources, starts the computer, manages programs and memory, and coordinates tasks between input and output devices.
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Operating Systems
What is the keyboard shortcut to minimize all windows on the desktop?
Correct answer: B
Pressing Windows+M minimizes all open windows on the desktop in Windows operating systems. This is a commonly used shortcut for quickly clearing the desktop.
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Operating Systems
Which was the first completely 64-bit compatible version of Android?
Correct answer: B
Android 5.0 Lollipop was the first version of Android to offer full support for 64-bit architectures, allowing apps and the OS to take advantage of 64-bit processors.
