System Software Essentials

CPU and RAM Interaction

• $CPU$ fetches and processes data/instructions from $RAM$.

System Boot-up

• Power on ➔ $BIOS$ loads from $ROM$.

• $BIOS$ loads the Operating System.

System Software

• Software that runs and maintains the computer system, managing user interaction.

Types of System Software

• Operating System (OS)

• Utility Software (e.g., maintenance, security tools)

Purpose of System Software

• Acts as an interface between user and hardware.

• Provides a platform for application software.

• Manages computer resources (e.g., memory, peripherals).

• Performs system maintenance and enhances security.