Operating System Functions MCQs with Answers

What is the primary function of the taskbar in a computer operating system?

• A.To display the clock and system icons only
• B.To switch between running programs and launch applications
• C.To manage file storage and folders
• D.All of these

What is generated by a peripheral device to signal the operating system for immediate attention?

• A.Interrupt
• B.Polling
• C.System Call
• D.Trap

What are the shortcuts that appear on the computer desktop commonly known as?

• A.Icons
• B.Widgets
• C.Thumbnails
• D.Tiles

What does DOS stand for in computer terminology?

• A.Disk Operating System
• B.Digital Operating System
• C.Distributed Operating System
• D.Data Operating System

What is the name of the temporary storage area where cut text is placed in a computer system?

• A.Clipboard
• B.Cache
• C.Buffer
• D.RAM

Which of the following are primary functions of an operating system?

• A.Process management
• B.Memory management
• C.File management
• D.All of these

Past Paper MCQ

Where does the date and time display on a computer screen?

• A.Taskbar
• B.System Tray
• C.Desktop
• D.Start Menu

What is the core component of a computer responsible for managing hardware and software resources?

• A.Firmware
• B.BIOS
• C.Device Driver
• D.Operating System

What is the name of the bar at the top of a window that displays the name of the open application software?

• A.Menu bar
• B.Title bar
• C.Status bar
• D.Toolbar

Which of the following options is available in the Control Panel for managing hardware devices?

• A.Task Scheduler
• B.System Restore
• C.Disk Cleanup
• D.Add new hardware