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EnglandComputer Science

1.5 Systems software

2 dot points across 2 inquiry questions. Click any dot point for a focused answer with worked past exam questions where available.

What does an operating system do?

The purpose and functions of the operating system: user interface, memory management and multitasking, peripheral management and drivers, user management, and file management.
An OCR J277 1.5.1 answer on the purpose and functions of an operating system: the user interface, memory management and multitasking, peripheral management and drivers, user management, and file management.
9 min answer →

What is utility software and what maintenance tasks does it perform?

The purpose of utility software, and the purpose of encryption software, defragmentation software, data compression and backup utilities (full and incremental).
An OCR J277 1.5.2 answer on the purpose of utility software and the specific roles of encryption software, defragmentation software, data compression and backup utilities, including full and incremental backups.
9 min answer →