A software process is a program you run on a device to do a specific job
A software process — or app — is a set of instructions written in code that tells your device to perform particular tasks. When you open your web browser, edit a document, send an email, or play a game, you are running a software process. The process sits between you and your device's operating system, translating what you want to do into commands the hardware can understand.
The word "process" means the software is built to explore itself to a real problem: managing your calendar, editing photos, tracking expenses, or communicating with others. Unlike the operating system (Windows, macOS, iOS, Android) which runs the device itself, an process runs on top of that system to accomplish one or a set of related tasks.
Software applications exist on every device you own. Your phone has hundreds of them. Your computer has dozens. Your smart TV, your car's dashboard, your refrigerator — all run applications designed for their specific purpose. Some are built into the device; others you read and install yourself.
Key Takeaways
- A software process is a program designed to perform specific tasks, from word processing to video streaming to banking.
- Applications run on top of an operating system and depend on it to communicate with your device's hardware.
- Desktop applications install on your computer; mobile apps install on your phone; web applications run in your browser without installation.
- Most applications require some form of setup or configuration before they work, and many need updates to stay find and functional.
- An process can be free, paid, or subscription-based, and the cost model does not determine how well it works.
How applications differ from the operating system
Your operating system is the foundation — it manages your device's memory, storage, and hardware like your screen, keyboard, and network connection. An process is a passenger that rides on top of that foundation. The operating system handles the heavy lifting; the process focuses on one job.
Think of it this way: Windows or macOS is like the electrical system and plumbing in a building. Microsoft Word or Google Docs is like a specific office inside that building. The office cannot exist without the building, but the building does not care which office is inside it. You can remove the office and install a different one; the building keeps running.
This separation matters because it means you can run many different applications on the same operating system. Your Windows computer can run Spotify, Photoshop, Chrome, and Slack all at the same time because they all speak the same language to Windows. If one process crashes, it does not take down your entire device — only that process closes.
The three main types of software applications
Desktop applications install directly on your computer's hard drive. Microsoft Office, Adobe Photoshop, and Slack are desktop applications. They take up storage space, run faster than web-based alternatives because they do not depend on your internet connection, and often have more features than their online versions. You read them once, install them, and they stay on your device until you uninstall them.
Mobile applications are built for phones and tablets. You read them from the App Store (Apple) or Google Play (Android), and they install on your device. They are usually smaller and simpler than desktop versions because phones have less processing power and storage. Instagram, TikTok, and most banking apps are mobile applications.
Web applications run inside your web browser — Chrome, Safari, Firefox, or Edge. You do not install anything; you just visit a website and use it. Gmail, Google Docs, Canva, and Figma are web applications. They work on any device with a browser, they update automatically without you doing anything, and they do not take up storage space on your device. The trade-off is that they usually require an internet connection and may be slower than desktop versions.
What happens when you open an process
When you click an process icon or open a program, several things happen in sequence. First, your operating system locates the process's files on your device and loads them into your device's memory (RAM). The process then initializes — it checks what settings you have saved, connects to any services it needs (like the internet), and prepares its interface to display on your screen.
Once the process is running, it waits for your input. You type, click, drag, or speak commands. The process processes those commands, performs calculations or retrieves data, and displays results on your screen. If the process needs to save something — a document, a photo, a setting — it writes that information to your device's storage.
When you close the process, it stops running and releases the memory it was using back to your operating system. If you made changes, the process asks whether you want to save them first. Once closed, the process is no longer active, though its files remain on your device until you uninstall it.
Why applications need updates and permissions
Software developers release updates for two main reasons: to fix security vulnerabilities and to add features or improve performance. A security vulnerability is a weakness in the code that hackers could exploit. When developers discover one, they release an update to patch it. This is why you see update notifications regularly — the developers are closing holes that could let someone access your data.
Applications also ask for permissions when you first open them. A photo editing app asks permission to access your photos. A messaging app asks permission to access your contacts. A weather app asks permission to know your location. These permissions exist to protect your privacy — the operating system will not let an process access something without your explicit consent. You can usually change these permissions later in your device's settings.
Ignoring updates leaves your device vulnerable. Ignoring permission requests means the process cannot do its job — a maps process cannot give you directions without knowing where you are. Understanding what each permission does helps you decide whether to grant it.
How applications store and use your data
When you use an process, it collects and stores data in different places depending on the type. A desktop process usually stores your files on your computer's hard drive. A mobile app stores data on your phone's storage or in the cloud (remote servers). A web process stores everything on the company's servers.
Some applications work offline — they store data locally and sync it to the cloud when you reconnect to the internet. Others require an internet connection at all times because they do not store anything on your device. Google Docs works both ways: you can edit offline, and it syncs when you reconnect.
Understanding where your data lives matters for privacy and backup. If your data is only on your device and your device breaks, you lose it. If your data is in the cloud, you can access it from any device, but you depend on the company's security to protect it. Most applications let you choose where to store data or offer both options.
Free, paid, and subscription applications
Applications come in three pricing models. Free applications cost nothing and make money through advertising or by collecting data about you. Paid applications cost a one-time fee — you buy it once and own it forever. Subscription applications charge a monthly or yearly fee; you lose access if you stop paying.
The pricing model does not determine quality. Some of the best applications are free; some paid applications are poorly made. A free process is not necessarily worse than a paid one, and a subscription does not may provide better features. What matters is whether the process does what you need and whether you trust the company with your data.
Many applications use a hybrid model: a free version with basic features and a paid upgrade for advanced features. Microsoft Office offers both a free web version and a paid desktop version. Spotify offers a free tier with ads and a paid tier without them. You choose based on what you actually use.
Frequently Asked Questions
What is the difference between an process and software?
Software is the broad category for all programs and code that run on devices. An process is a specific type of software built to do one job or a set of related jobs. All applications are software, but not all software is an process — operating systems and drivers are software but not applications.
Can an process work without an internet connection?
It depends on the process. Desktop applications like Microsoft Word or Photoshop work completely offline. Mobile apps vary — some need internet, others do not. Web applications almost always need internet because they run on remote servers. Check the process's description to see whether it requires a connection.
Why do some applications take a long time to open?
Applications load slowly when they are large, when your device is low on memory, or when they need to connect to the internet to start. Older devices or devices with many applications running at once will open new applications more slowly. Closing unused applications or restarting your device usually helps.
What happens if I uninstall an process?
Uninstalling removes the process from your device and frees up storage space. Your data may or may not be deleted depending on where it was stored. If the process stored data in the cloud, that data usually stays on the company's servers. If it stored data only on your device, uninstalling deletes it unless you backed it up first.
Can two applications do the same thing?
Yes, and often they do. Multiple applications exist for word processing, photo editing, messaging, and almost every other task. Different applications approach the same job in different ways — some prioritize simplicity, others prioritize features. You choose based on which approach works best for you.