Computer: A computer is an electronic device that is capable of processing data and executing instructions to perform various tasks. PC have following components:-

Central Processing Unit (CPU), 
Random Access Memory (RAM),
Read Only Memory (ROM),
Input / output devices, such as mouse, keyboard etc.

The CPU is the brain of the computer that controls all its functions. Memory is used to store data and instructions that the CPU needs to access quickly. Computer memory is used to store a large amounts of files. Input devices such as a keyboard, mouse, and microphone, allow users to enter data and commands into the computer, while output devices such as a monitor, printer, and speakers, show us the result of computer's processing. Computers have become an essential part of our daily lives and are used for a wide variety of purposes, including communication, entertainment, education, research, and business.

Computer Accessories:

In today's world, computer accessories are just as important as the computer itself. They not only enhance the productivity of the user, but also provide additional features and functionalities. There are a wide variety of computer accessories available in the market today, ranging from input devices like keyboards and mice, to output devices like printers and scanners, and everything in between.

keyboard: It is the primary input device for most users, and is used extensively in typing, gaming and other applications. There are many different types of keyboards available, ranging from the standard membrane keyboards to the more advanced mechanical keyboards. Some keyboards also come with additional features like backlighting, programmable keys and multimedia controls.

Another important computer accessory is the mouse. It is the primary pointing device for most users, and is used extensively in navigation, gaming and other applications. There are many different types of mice available, ranging from the standard optical mice to the more advanced gaming mice. Some mice also come with additional features like programmable buttons, adjustable DPI settings and RGB lighting.

Other common computer accessories include webcams for video conferencing, external hard drives for data storage, headphones and speakers for audio output, and USB hubs for additional connectivity. With so many different accessories available, it's easy to customize your computer setup to suit your needs and preferences.

PC Software :

Computer software is a set of instructions that tell a computer what to do. There are many different types of software, ranging from operating systems that manage the basic functions of a computer to applications that perform specific tasks like word processing, image editing, or playing games.

Software have two types: System software (already exist in systme / PC) and application software ( software that do not exist in computer and user have to download them). System software includes the operating system, device drivers, and utilities that help manage the computer's hardware. Application software includes all the programs that people use to do specific tasks, such as web browsing, email, or video editing.

Software can be purchased from a store or downloaded from the internet. Some software is free and open source, meaning that it can be used, modified, and distributed by anyone. Other software is proprietary, meaning that it is owned by a company and can only be used under certain conditions.

Good software is easy to use, efficient, and reliable. It should be regularly updated to fix bugs and security vulnerabilities. When choosing software, it's important to consider its features, cost, and compatibility with your computer.

Here are examples of some useful and authentic sofware:-



                
GOOGLE CHROME is one of the most famous software in the world. It is referred by GOOGLE. Let`s more fun with it.
                                                                                                                                                                                                                                                                                                                                                                                           

400,000,000 users choose UC Browser because of its high speed, powerful download management, optimized  and easy access to internet resources.

     
FEATURES:
• Download & File Manager:
Fast, stable and smart download with powerful file management.
• Cloud Download:
Download files more rapidly via our server, even under poor network connection.
• Watch Offline:
Save time and data by having videos offline and watch them later.
• Night Mode:
Dark theme for comfortable reading at night.
• Incognito Browsing:
Protect your privacy with incognito browsing, without leaving any trace on the phone.
• Theme Center:
Enjoy a huge variety of themes and customize your own UC Browser.
• Wi-Fi Sharing:
Transfer files between your phone and PC/Laptop via Wi-Fi.



Mozilla Firefox is an open source web browser developed by Mozilla Foundation, and is completely free to users. Mozilla Firefox's first public release was in 2002 with version 0.1.



Mozilla Firefox is ranked fourth in terms of US web browser market share with 12.63% of the market, but has declined8.94% in the last year.                                                                                                                                                                                                                                                          
    
VLC PLAYER is most famous player in world.
A lot of features.
Recording tools.
And a lot of fun.
Just enjoy it.                                                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                                                                                                                                                          
                                                                                                                                          

                                                                                                                                                                      IDM is one of top download managers for any PC with Windows, Linux, etc. It has a great importance and known as fastest download manager. It increases the download speed 5 times by simply breaking the whole file into 8 parts and download dynamically one by one but at the same time. You can schedule, resume your downloads so easily with IDM.  Internet Download Manager let’s you recover errors with resume capability.                                                                                                                                                                                                                                                                                  
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Blue Stacks was founded in 2011 to push the boundaries of the mobile ecosystem. Today more than 130 million people around the world use our App Player product to run mobile apps and games on bigger screens using our patented Layer cake technology.                                                                                                                                                                                                                                                                                                                        
                                                                                                                                                                                                                                                                                                                                             
WinRAR provides the complete support for RAR files, so you may both create and unpack them. If you installed WinRAR on your computer and downloaded RAR file from Internet, you may double click on RAR file icon to open it in WinRAR, select all files, press "Extract To" button, enter a destination path and press "OK".
In this way you can extract them easily.
Here we have two (2) softwares . You can download anyone of them.

                                             
 

                                                                                                                                                                         

Adobe Reader is free software you can use to read and access the information contained within PDF files. Adobe Acrobat Reader DC contains many capabilities specifically designed to make it easier for people with disabilities to read PDF files, regardless of whether the files have been optimized for accessibility. It leverages accessibility functions built into Windows and Mac OS systems and allows adjustment of user preferences to optimize the reading experience for a variety of disabilities.