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The 3 types of computer software

The article discusses the differences between system, utility, and application software that can run on this computer.

Software is used to control a computer. There are different types of software that can run on a computer: system software, utility software, and application software.

Let’s take a closer look at them.

1. System software

If you think of software as being in layers, system software is the bottom layer: it sits between hardware and application software.

Operating systems like Windows, macOS, Android and iOS are examples of system software. Operating systems are loaded into RAM when the device starts up, and have access to the hard drive.

2. Utility software

Utility software is part of the system software and performs certain tasks to keep the computer running. Utility software is always running in the background. Examples of utility software are security and optimization programs.

Security programs include anti-virus software that scans for and removes viruses. Most computers include some type of anti-virus software, but you can add your own.

Optimization programs may include tools for system clean-up, disk defragmentation, and file compression. These tools are usually installed as part of the operating system. Have access to the hard drive to keep them organized.

3. Application software

This is everything else! Anything that is not an operating system or utility is an application or application. So word processors, spreadsheets, web browsers, and graphics software are all examples of application software, and they can perform many specific tasks.

You can remove and add applications to your computer using the operating system.

Application software such as a word processor regularly directs the operating system to load and save files from the hard drive. While you are working on a file, it is temporarily saved in RAM. It is only written to the hard drive when you choose to save it.

Therefore, if the computer crashes while you’re working on a file, you may lose any unsaved changes. Data stored in RAM is volatile. Data is lost when RAM loses power.

The operating system

Application software also uses the operating system to talk to the hardware and other software on the computer. When a web browser wants to load a web page, it is the operating system that controls access to the internet and retrieves information from the web.

Similarly, the operating system provides application software with information about which keys are being pressed and about the mouse: where it is, what it clicked, and where it is moving on the screen.

Application software relies heavily on the operating system to perform these tasks and send it all this information.

System Software Features:

Let us discuss some features of the system software:

1. System software is close to a computer system.
2. System software is usually written in a low-level language.
3. System software is difficult to design and understand.
4. System software is fast in speed (working speed).
5. System software is less interactive for users as compared to application software.

Types of System Software:

It has two subtypes which are:

1. Operating System: It is the main program of a computer system. It is the first types of software that is loaded into the computer’s memory when the computer system is turned on. Basically, it manages all the resources like memory, CPU, printer, hard disk, etc., and provides the interface to the user, which helps the user to interact with the computer system. It also provides various services to other computer software. Examples of operating systems are Linux, Apple macOS, Microsoft Windows, etc.
2. Language Processor: As we know system types of software converts human readable language into machine language and vice versa. Therefore, the conversion is done by the language processor. It converts programs written in high-level programming languages ​​such as Java, C, C++, Python, etc. (known as source code) into a set of instructions easily readable by machines (known as object code or machine code).
3. Device Driver: A device driver is a program or types of software that controls a device and helps that device perform its functions. Every device like printer, mouse, modem etc. needs a driver to connect permanently with the computer system. Therefore, when you connect a new device to your computer system, you first need to install the device’s driver so that your operating system knows how to control or manage that device.