System software that allows users or the application programs they are using to interact with the computer hardware in an easy and convenient manner.

• Operating System

• Input Devices

• Output Devices

• File Manager

What are the 3 major function of operating system.

• It functions as program launcher.

• It acts as resource allocator.

• It creates virtual machine interface between the user/application program and the hardware.

• None of the above

What are the operating system main goals?

• The OS should make the computer easy and convenient to use.

• The OS should manage the resources of the computer system to make them more efficient.

• The OS should execute and control programs.

• None of the above

2 parts of operating system.

• Kernel

• Shell

• CLI

• GUI

The HEART and SOUL of the Operating System.

• Kernel

• Shell

• CLI

• GUI

It is also called as command interpreter, it serves as the interface between users and the kernel.

• Kernel

• Shell

• CLI

• GUI

It requires the users to type the command at a prompt. This can be seen on old DOS or some Linux systems.

• Kernel

• Shell

• CLI

• GUI

It requires to enter commands using drop-down menus or by clicking on icons using a mouse pointer.

• Kernel

• Shell

• CLI

• GUI

Choose all the services provided by an operating system.

• Program Execution

• Error Handling

• System Access

• All of the above

Choose all the core components of an Operating System.

• Process Manager

• Memory Manager

• File Manager

• I/O Manager