Chapter Overview
This chapter introduces the components of a computer system, including hardware, software, and users. It explains the functions of the Central Processing Unit (CPU), memory, input/output devices, and operating systems. The chapter lays the groundwork for understanding how computers execute tasks and interact with users and applications.
Important Keywords
- Hardware: The physical components of a computer such as CPU, RAM, hard drive, keyboard, etc.
- Software: A set of instructions that tells the hardware what to do. It includes system software and application software.
- CPU: The brain of the computer that performs computations and controls other parts.
- Input Devices: Devices that allow users to input data (e.g., keyboard, mouse).
- Output Devices: Devices that show results (e.g., monitor, printer).
- Operating System: System software that manages hardware and software resources (e.g., Windows, Linux).
- Memory (RAM & ROM): RAM is volatile memory for temporary storage; ROM is permanent and stores firmware.
Detailed Notes
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