Lesson Content

A computer is an electronic device that receives input, processes data, produces output, and stores information-a concept referred to as the IPOS model (Input, Processing, Output, Storage). This foundational model helps to understand how computers operate in handling data and tasks. Understanding computer hardware is essential to recognizing how the system functions. Hardware includes input devices such as keyboards and mice, output devices like monitors and printers, processing units such as the CPU, and various storage devices including hard drives and USB flash drives.

In addition to hardware, computers also rely on software to operate. Software is divided into two main categories: system software and application software. System software includes operating systems that manage hardware and basic functions, while application software includes programs that enable users to perform specific tasks such as word processing or browsing the internet.

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Knowing the distinction between these types of software is important for understanding how users interact with computers.

Information and Communication Technology (ICT) plays a significant role in various sectors. In education, ICT enables digital learning and resource sharing. In business, it facilitates communication, data processing, and online transactions. In healthcare, ICT supports patient record management and virtual consultations. These examples highlight the relevance and integration of ICT in everyday life and professional environments.