4.1 Introduction4.2 Memory Representation4.3 Memory Hierarchy4.3.1 Storage Evaluation Criteria4.4 Random Access Memory4.4.1 Measuring RAM's Effectiveness4.4.2 Size of RAM4.4.3 Main Memory Organization4.5 Types of RAM4.5.1 Static RAM4.5.2 Dynamic RAM4.6 Read-only Memory4.6.1 ROM Analogy4.6.2 RAM, ROM and CPU Interaction4.7 Types of ROMLet Us SummarizeExercisesAnswers