1.2.4

Which of the following is a role of an operating system in managing input/output devices?

• Ensures data is stored in correct memory locations

• Receives data from input devices and sends data to output devices

• Allows users to logon and change passwords

• Organises files in a hierarchical structure

What is the primary difference between single user and multi-user operating systems?

• Multi-user systems do not require security management

• Single user systems are only found on servers

• Multi-user systems allow more than one user to access the processor simultaneously

• Single user systems have multiple processors

How do single processing operating systems differ from multi-processing operating systems?

• Single processing systems have only one CPU shared among users

• Multi-processing systems allocate time-slices to each user

• Single processing systems have multiple CPUs

• Multi-processing systems are only used in supercomputers

What is one advantage of using a closed source operating system for a company?

• It is free to use

• It often comes with professional support and regular updates

• It allows for complete customization

• It is always more secure than open-source systems

Which of the following is a function of the user interface provided by an operating system?

• Checks the printer is free and uses spooling

• Manages the CPU time-slices

• Displays and manipulates a folder and file system

• Ensures data is stored correctly in secondary storage