SQL worksheet for the OCR specification. This is for J277 Computer Science

Powerpoint and worksheet for a lesson on internet safety. This is a year 8 lesson. This contains information on 2 forms of internet scams, phishing and malware and concludes with how to protect against them.

Think about using a smartphone. You tap icons, swipe screens, and press buttons. You don’t need to know about the complex code, the electronic signals, or how the processor chip works inside! You only interact with the essential features needed to use the phone. Abstraction is the process of removing unnecessary detail or hiding complexity to focus on the essential characteristics or features of a system or problem. It helps us manage complexity and make things easier to understand and use. Learning Objectives: Define abstraction in the context of computer science. Identify examples of abstraction in everyday life and computing systems. Explain why abstraction is useful in computational thinking and system design. Distinguish between abstraction and decomposition.

A presentation on Computer Networks including the different types of computer networks, the advantages and disadvantages of computer networks and the definitions of each computer network and what they are used for.