The document provides an overview of computer system components and their functions. It describes the CPU, RAM, motherboard, power supply, hard drive, and disk drives. It then discusses basic computer elements like the processor, memory, I/O modules, and system bus. Interrupts are handled through interrupt handlers that suspend normal program execution to service I/O requests. Memory is organized in a hierarchy from fastest and smallest registers to slower but larger secondary storage.

1. Computer System Overview Chapter 1

9. Computer Components

12. Top-Level Components

19. Instruction Cycle

22. Characteristics of a Hypothetical Machine

23. Example of Program Execution

26. Classes of Interrupts

27. Program Flow of Control Without Interrupts

28. Program Flow of Control With Interrupts, Short I/O Wait

29. Program Flow of Control With Interrupts; Long I/O Wait

32. Interrupt Cycle

34. Timing Diagram Based on Short I/O Wait

35. Timing Diagram Based on Short I/O Wait

36. Simple Interrupt Processing

37. Changes in Memory and Registers for an Interrupt

38. Changes in Memory and Registers for an Interrupt

41. Multiple Interrupts

44. Memory Hierarchy

49. Cache Memory

51. Cache/Main Memory System

52. Cache Read Operation