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Lesson Objectives

Lesson Objectives. Explain the need for secondary storage. Describe common storage technologies such as optical, magnetic and solid state. Describe flash memory.

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Lesson Objectives

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  1. Lesson Objectives • Explain the need for secondary storage. • Describe common storage technologies such as optical, magnetic and solid state. • Describe flash memory. • Select suitable storage devices and storage media for a given application and justify their choice using characteristics such as capacity, speed, portability, durability and reliability.

  2. Primary Storage • What are the two types of primary storage? • Which one is Read Only and runs the boot program? • Which one holds information about software and applications that are running?

  3. Secondary Storage • Secondary storage is used to store data and programs when the power is switched off. • Why do we need secondary storage? • RAM is volatile so the contents are lost if the power is switched off; • ROM can only store pre-programmed data and programs

  4. Groups Pairs • You will be given 1 type of secondary storage to research on the internet. • You must produce a fact sheet about the type of storage • You will then share your fact sheet with other groups.

  5. Exam Style Questions

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