The CPU (Central Processing Unit) is the brain of the computer, responsible for executing instructions and managing data processing.

ROM (Read-Only Memory) is non-volatile, meaning it retains its data even when the power is turned off. It is used to store firmware or permanent instructions required for booting the computer.

Microsoft Windows is an operating system that manages hardware, software, and the user interface on a computer. It allows users to run applications, manage files, and interact with the computer.

SHTTP (Secure Hypertext Transfer Protocol) is an extension of HTTP (Hypertext Transfer Protocol) that provides security for web communications. It ensures that the data transferred between the web browser and the server is encrypted and secure, protecting it from unauthorized access.

A keyboard is often referred to as a console in computing, especially when it is part of a system used to interact with a computer. The term "console" can also refer to the hardware or interface used for input and control, including the keyboard and sometimes the monitor.

On 16th August, 1994 IBM launched the first Smartphone “SIMON” in market. 

PNG (Portable Network Graphics) is a file format used for storing images. It supports lossless compression, meaning the image quality is preserved even when the file size is reduced. PNG is commonly used for web graphics and images that require transparency.

Files with the .INI extension are system files used for configuration. These files store settings and preferences for operating systems or software applications. They are plain text files that define how programs behave or store configuration data, like user preferences or system parameters.

In MS Office, a macro is a series of recorded commands or actions that automate repetitive tasks. By recording a macro, users can execute multiple actions with a single command, saving time and effort.

In MS Word, pressing the F7 function key activates the spell check feature. It checks the document for spelling and grammar errors and suggests corrections.