OCR J277 Computer Science - Component 1
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Course Description
Day 1: Systems Architecture and Memory (2 hours) Topic 1: Systems Architecture - CPU Overview: Discuss the role of the CPU as the brain of the computer. - Components: Explain the Control Unit (CU), Arithmetic Logic Unit (ALU), and Cache. - Fetch-Decode-Execute Cycle: Break down the steps involved in processing instructions. - Von Neumann Architecture: Introduce the concept of storing data and instructions in the - same memory. Topic 2: Memory - Primary Memory: Differentiate between RAM (volatile) and ROM (non-volatile). - Virtual Memory: Explain how the operating system uses hard drive space when RAM is full. Day 2: Storage and Networks (2 hours) Topic 3: Storage - Secondary Storage: Discuss HDDs, SSDs, optical storage (CDs/DVDs), and flash drives, including their advantages and disadvantages. - Storage Capacity: Explain data measurement units (bits, bytes, KB, MB, GB) and how to calculate storage needs. Topic 4: Networks - LANs and WANs: Define Local Area Networks (LANs) and Wide Area Networks (WANs) and their differences. - Networking Devices: Discuss routers, switches, and modems and their roles in communication. Day 3: Network Protocols and Security (2 hours) Topic 5: Network Protocols - TCP/IP and HTTP: Explain common protocols and their functions in data transmission. - Data Transmission Methods: Discuss wired and wireless methods. Topic 6: Network Security - Threats: Introduce malware, phishing, and denial of service attacks. - Preventive Measures: Discuss firewalls, encryption, and antivirus software. Day 4: System Software and Utility Software (2 hours) Topic 7: System Software - Operating Systems: Discuss the role of OS in managing hardware and software resources. - Functions of OS: Explain user interface, memory management, and multitasking. Topic 8: Utility Software - Types: Discuss backup, antivirus, disk management, and file compression utilities. Day 5: Ethical, Legal, and Environmental Issues (2 hours) Topic 9: Ethical Issues - Privacy and Data Protection: Discuss the importance of data privacy and ethical considerations in technology. Topic 10: Legal Issues - Copyright and Licensing: Explain intellectual property rights and software licensing laws. Topic 11: Environmental Impact E-Waste: Discuss the environmental impact of technology and ways to reduce e-waste. This structured plan ensures comprehensive coverage of Component 1 topics over five days, emphasising understanding and retention while balancing theoretical knowledge an
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2. Booking and Payment 2.1. Payment for tuition services is a prerequisite for securing bookings and must be made in advance. 2.2. The Company provides flexible payment options, including monthly membership plans and 8-week course one off payment arrangements. 2.3. Accepted payment methods include Debit/Credit and bank transfer. 2.4. Bookings are confirmed upon receipt of payment, subject to availability. 3. Cancellations and Refunds 3.1. Cancellations must be communicated to the Company at least 48 hours prior to the scheduled session. 3.2. In the event of a cancellation within 48 hours of the session, the Company reserves the right to retain 50% of the payment to cover incurred costs. 3.3. Refunds for cancellations made more than 48 hours in advance will be issued, less any applicable administration fees. 3.4. Refund processing will be completed within 5 working days of the cancellation request.
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