OPERA | MCQs

Explanation

Saira Peter MSc MA (Lon) is a British-Pakistani soprano officially recognised as the world's first Sufi Opera singer. 

She is Director of NJ Arts London, a multicultural performing arts centre opened in 1998 by Sir Cliff Richard OBE.

Explanation

• The operating system is also called the interface  between the user and the computer
• ..
• The Operating System is the Interface between the user and the computer.
• It is called the Interface because it converts the commands the user gives to a language that the computer can understand (machine language) and vice versa.
• Multiple operating systems are available such as Windows, Mac OS, and Linux.
• ..
• virus protection is not the function of the operating system
•  Real-time system operating system reads and reacts in actual time

Explanation

The operating system (OS) manages hardware resources and provides a platform to run application software.

It acts as an interface between the user and the computer hardware.

Explanation

During booting, the operating system is loaded into RAM from the hard drive.

RAM (Random Access Memory) allows the OS to run and manage tasks efficiently while the computer is on.

Explanation

Creating web pages is not a function of an operating system; it is done using specialized software like HTML editors or web development tools.

An operating system manages hardware, software, file storage, and application execution.

Explanation

The OS (e.g., Windows, macOS, Linux) manages all hardware/software operations, including:

• Memory allocation.
• File management.
• Running applications (like MS Word).

Example:

Without an OS (Operating System), a computer cannot boot or execute any program

Explanation

Explanation

Process termination is the easiest method for deadlock recovery as it directly frees resources by ending one or more processes.

Although effective, it may cause loss of work and should be used carefully.

Explanation

UNIX is a multitasking operating system that supports multiple users and command-line interface (command drivers).

It is widely used in servers and academic environments due to its robustness and flexibility.

Explanation

A non-preemptive resource cannot be forcibly taken from a process once it has been allocated — like a printer mid-task.

The resource is released only when the current process finishes using it.