Basic Computer Complete Guide for Beginners 2023

A computer is an electronic device that processes data into information under a program, storing and handling numerical and non-numerical calculations with input, output, CPU, storage, and memory.

This lecture explains three computer types: analog, digital, and hybrid. Analog measures voltage and current for specific tasks; digital processes binary data at high speed and accuracy.

Discover what a personal computer is, including desktops, laptops, tablets, smartphones, netbooks, and handheld PCs, and compare power, storage, and input-output capabilities.

Learn how input devices enter data and instructions into a computer, including the keyboard with about 101 keys, the mouse as a pointing device, the touchscreen, and the flatbed scanner.

Explore how monitors and different printers—inkjet, laser, dot-matrix, and drum printers—and plotters serve as output devices for displaying and producing hard copies or large-scale diagrams.

Explore how information and communication technology, or ICT, enables storage, processing, and transmission of data to transfer ideas and solve problems across devices such as computers, internet, and cell phone.

Understand ICT as an umbrella of communication devices and applications, including internet and cell phones, that enable information access, rapid evolution, and online media such as email and social networking.

Explore the contrast between low level and high level programming languages, detailing machine language and assembly language, their binary roots, and how assemblers translate source programs.

Discover the basics of the C language, a general purpose compiled language created in 1972 and foundational to computer science.

Explore how computer networks enable communication between two or more computers through wired or wireless connections, and how hardware, software, and network operating systems support data sharing.

Explore bus, star, and ring topologies, with data traveling along a bus via taps and terminators, a central device in star topology, and a ring's unbroken circle for node connections.

Learn the basics of Windows 10, the latest Microsoft operating system, and its cross-device design with features like start menu, Microsoft Edge, multiple desktops, notification center, and taskbar.

Discover Windows 11 basics, latest Windows NT release, released October 5, 2021, with a new look, snap layouts, settings app, multiple desktops, and tablet mode.