An …………… is a system software. It manages the resources of a computer system and makes a computer easy to use.

Which of the following is NOT a function of the operating system ?

1. deals with the transfer of programs in and out of memory
2. controls the transfer of data to peripherals such as printers
3. adjusts the bass level on a music file

When the computer has to react within a guaranteed time to an input, which type of operating system is the best ?

1. multi-tasking
2. real-time processing
3. batch processing

Which type of operating system allows multiple tasks to run at the same time, each taking turns using the resources of the computer ?

1. real-time processing
2. batch processing
3. multi-tasking