When was the first mobile phone ever invented?     Motorola engineer Martin Cooper never imagined that his project wou…

Output devices play an important role in our everyday lives by making computer interactions easier. Even if you don&#…

What are input devices? Input devices can be defined as hardware components that allow users to feed data or instructi…

A hard disk drive (HDD) is an internal or external computer component that stores data, such as the operating system, …

What is an operating system? An operating system is the most important software that runs on a computer. It manages th…

You can install multiple types of ROM on a computer or electronic device. The different ROM provides unique benefits to…

What is RAM (random access memory)? Random access memory (RAM) is the hardware in a computing device that provides temp…