Ans:- My Name Is Md. Taohid Islam R@tul. I Am A Computer Science Student. Currently Study In Chittagong Shaomoli Ideal PloyTechnic Instritute. My Dream To Make My Self As Software Engineer.

Ans:- An engineer is a professional who applies scientific principles, mathematics, and creativity to design, build, and maintain structures, machines, systems, and processes. They are, fundamentally, problem-solvers who analyze technical challenges to improve safety, efficiency, and sustainability. Key roles span industries like civil, mechanical, electrical, and software engineering.

Ans:- A computer is an electronic device that accepts raw data as input, processes it according to a set of instructions (program), stores the data, and produces output (information). It operates using a binary system (\(0\)s and \(1\)s) and consists of hardware (physical components) and software (programs).

Ans:- A laptop is a portable, all-in-one personal computer (PC) designed for mobile use, featuring a clamshell design that folds, with a screen on one side and a keyboard with a touchpad on the other. They contain a battery, screen, keyboard, and pointing device, making them compact enough to use on a lap.

Ans:- A mobile phone (or cell phone) is a portable, handheld device that enables users to make calls, send texts, and access the internet via cellular radio networks rather than wired cables. Modern mobile phones, often smartphones, serve as pocket-sized computers capable of streaming, social media, and photography.

Ans:- Radio is the technology of transmitting and receiving communication signals—such as sound, music, and voice—through the air using electromagnetic waves (radio waves) without physical wires. It involves a transmitter broadcasting signals and a receiver (radio set) detecting and amplifying them.