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Computer Structure & Architecture

Computer Structure & Architecture. Lesson 1 – Introduction to CS & A . LI: Describe what a computer is and identify the different types of computer. What are Computers?.

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Computer Structure & Architecture

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  1. Computer Structure&Architecture

  2. Lesson 1 – Introduction to CS & A LI: Describe what a computer is and identify the different types of computer.

  3. What are Computers? • A computer is a machine that carries out instructions given to it by a human. Without instructions, computers wouldn’t be able to do anything. • What makes them special? • work faster than humans • are more accurate than humans • can store huge amounts of information that they never “forget” • Some other important things to remember: • Computers don’t have brains; they are not • cleverer than humans • Computers don’t have feelings • or “common sense”

  4. Types of Computers • Computers come in many shapes and sizes. Computers that most people might recognise include: • Desktops • Laptops • Tablets • Smart phones • Mainframes • Servers • Games Consoles • Embedded computers • Rapid advancements in technology has meant that computers have become much more powerful, much smaller and much cheaper than ever before.

  5. Lesson 2 – The Structure of a Computer System LI: Describe the main components of a computer system and re- create the IPO diagram.

  6. IPO • A computer is a machine that: • takes in information • stores this information • processes this information • and gives this processed information back out. • This can be represented as: • This is known as the Input, Process, Output • Diagram (or IPO) for short. PROCESS INPUT OUTPUT Data Flow STORAGE

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