Computer Systems | Year 8 Computing (Cambridge) PDF Download

Detailed Study of Computer Components

Computers are made up of various components that work together to perform tasks:

• Central Processing Unit (CPU): Often called the brain of the computer, the CPU processes instructions and performs calculations.
• Memory (RAM): This is where data and instructions are stored temporarily while the computer is on.
• Storage Devices: These include hard drives and solid-state drives (SSDs), which store data even when the computer is turned off.
• Motherboard: The main circuit board that connects all components together.

System Software and Hardware Interactions

System software manages hardware and software resources, allowing the computer to operate smoothly:

• Operating System (OS): Manages computer hardware and software resources and provides common services for computer programs.
  • Example: Windows, macOS, Linux
• Device Drivers: Software that allows the operating system to communicate with hardware devices.
  • Example: Printer drivers, graphics card drivers

Ethical and Societal Impacts of Computing

Computing technology has ethical and societal implications that affect individuals and society:

• Privacy Concerns: Issues around the collection, storage, and use of personal data.
  • Example: Social media platforms collecting user data for targeted advertising.
• Security Issues: Risks of unauthorized access to data and systems.
  • Example: Cyberattacks like ransomware affecting businesses and individuals.
• Digital Divide: Unequal access to technology based on socioeconomic factors.
  • Example: Limited access to educational resources in underserved communities.

Conclusion

Understanding computer systems involves knowing its components, how they interact with software, and the broader impacts on society. This knowledge helps in using technology responsibly and addressing ethical challenges in the digital age.