Eduqas Computer Science 1.5 Operating Systems

An operating system... (pick all true)

• Manages peripherals

• Manages processes

• Provides a user interface

• Fixes hardware problems

• Isn't needed on mobile phones

Applications software is... (pick all)

• software which manages aspects of your system.

• software which lets you do a specific task

• software such as Steam, Google Chrome or Word.

• software such as Norton Antivirus, Windows Defender and winRAR.

Utility software is... (pick all)

• software which manages aspects of your system.

• software which lets you do a specific task

• software such as Steam, Google Chrome or Word.

• software such as Norton Antivirus, Windows Defender and winRAR.

A GUI is...

• used in very simple systems such as stock databases.

• used for automated phone banking systems.

• used in complex systems such as in smartphone apps.

• used for limited systems such as ATMs.

A menu-driven interface is...

• used in very simple systems such as stock databases.

• used for automated phone banking systems.

• used in complex systems such as in smartphone apps.

• used for limited systems such as ATMs.

A CDI is...

• used in very simple systems such as stock databases.

• used for automated phone banking systems.

• used in complex systems such as in smartphone apps.

• used for limited systems such as ATMs.

A voice-user interface is...

• used in very simple systems such as stock databases.

• used for automated phone banking systems.

• used in complex systems such as in smartphone apps.

• used for limited systems such as ATMs.

Defragmentation software is... (pick all)

• not useful for SSDs.

• not useful for HDDs.

• used to move file parts physically closer on the disk.

• used to separate big files into smaller pieces on the disk.

Memory management (RAM)...

• checks files can be written to and from the secondary storage

• sends data to and from IO devices

• puts data onto the right place in the primary storage

• schedules jobs for the CPU

• lets users access their personal accounts

Security management...

• checks files can be written to and from the secondary storage

• sends data to and from IO devices

• puts data onto the right place in the primary storage

• schedules jobs for the CPU

• lets users access their personal accounts