1. Chapter 1 Introduction

2. After reading this chapter, the reader should be able to: O BJECTIVES Understand the concept of a black box, a data processor, and a programmable data processor. Define the von Neumann model and name its components: memory, arithmetic/logic unit, control unit, and input/output. Understand the stored program concept. Understand the sequential execution of statements in a program. Name the components of a computer: hardware, software, and data.

3. THE COMPUTER AS A BLOCK BOX 1.1

4. Figure 1-1 Data processor model

5. Figure 1-2 Programmable data processor model

6. Figure 1-3 Same program, different data

7. Figure 1-4 Same data, different programs

8. von NEUMANN MODEL 1.2

9. Figure 1-5 von Neumann model

10. COMPUTER HARDWARE 1.3

11. DATA 1.4

12. COMPUTER SOFTWARE 1.5

13. Figure 1-6 Program and data in memory

14. Figure 1-7 Program made of instructions

15. HISTORY 1.6