7 OCR GCSE Computer Science - System Software

Which of the following is not a feature of an OS?

• User Interface
• Systems Design
• User Management
• Memory Management

A user interface

• Provides a method to communicate with the system
• Is a graphical layout
• Is user management
• Allows users to have different accounts

Peripheral Management...

• Provides a method to communicate with the system
• Manages your programs
• allows the os to manage the hardware devices
• Allows users to have different accounts

File Management

• Provides a method to communicate with the system
• Provides options to manage your files and folders
• allows the os to manage the hardware devices
• Allows users to have different accounts

User Management

• Provides a method to communicate with the system
• Provides options to manage your files and folders
• allows the os to manage the hardware devices
• Allows each user to have different accounts on the system

A utility software is used to...

• Maintain a computer
• Provides options to manage your files and folders
• Allows the os to manage the hardware devices
• Allows each user to have different accounts on the system

Data Compression

• Maintain a computer
• Provides options to manage your files and folders
• Allows the os to manage the hardware devices
• Reduces the size of a file

Encryption...

• Jumble up a message
• Saves your file to secondary storage
• Translates a file into binary
• Reduces the size of a file

Full backup..

• Makes copies only of the new files
• Saves your backup to secondary storage
• Makes copies of all files
• Only allows you to make a double copy

An incremental backup..

• Makes copies only of the new files
• Saves your backup to secondary storage
• Makes copies of all files
• Makes a copy of the entire drive