What is Computer Software & Hardware? Differentiate between Software & Hardware

Computer Software

Software refers to a set of instructions that a computer system executes to perform specific tasks. These instructions are written in programming languages such as Java, Python, C++, and many others. Software can be divided into two categories: system software and application software.

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System software: 

Sytem Software is the software that runs the computer system itself. It includes the operating system, device drivers, and other system utilities. The operating system provides the interface between the computer hardware and the applications running on it. It manages system resources, such as memory and processing power, and provides security features to protect the system from viruses and other threats. Device drivers are software that enables communication between the computer and specific hardware components, such as printers or graphics cards. System utilities are software tools that help manage and optimize the performance of the computer system, such as disk cleanup tools or system monitoring software.

Application software:

Application software on the other hand, is the software that performs specific tasks, such as word processing, spreadsheet creation, or gaming. Application software is designed to help users complete specific tasks or solve specific problems. It can be divided into several categories, including productivity software, multimedia software, educational software, communication software, and entertainment software. Productivity software includes applications such as word processors, spreadsheets, and presentation software, which are used for creating and editing documents, data, and presentations. Multimedia software includes applications such as image editors, video editors, and media players, which are used for editing and playing media content. Educational software includes applications such as interactive learning tools and language learning software. Communication software includes applications such as email clients, instant messaging software, and video conferencing software, which are used for communication purposes. Entertainment software includes applications such as games, music players, and movie players, which are used for leisure and entertainment purposes.


Software can be installed on a computer system from various sources, including physical media such as CDs or DVDs, or via the internet. Once installed, software applications are stored on the hard drive and are executed by the computer system. Software can also be updated and upgraded to keep it relevant and improve its performance. Overall, software is an essential component of a computer system and plays a critical role in enabling users to complete specific tasks efficiently and effectively.

Computer Hardware

Hardware refers to the physical components that make up a computer system or electronic device. These components include the central processing unit (CPU), memory (RAM), hard drive, motherboard, power supply unit, graphics card, input devices such as keyboard and mouse, output devices such as monitor and printer, and various other components such as sound cards, network adapters, and expansion cards.

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Hardware can be divided into two main categories: internal hardware and external hardware. 
Internal hardware includes components that are installed inside the computer system, such as the CPU, RAM, and hard drive. 
External hardware refers to components that are connected to the computer system via ports or cables, such as monitors, keyboards, and printers.

Hardware is designed to work together to provide a functional computer system. For example, the CPU is responsible for processing instructions, while RAM provides temporary storage for data and programs. The hard drive stores all the permanent data and programs. Input devices allow the user to interact with the computer system, while output devices display or present the output produced by the system.

Hardware is essential for the functioning of a computer system or electronic device. Proper selection and maintenance of hardware components can help ensure the longevity and reliability of the system.

Difference Between Software & Hardware:

Here is a chart that summarizes some of the key differences between software and hardware:

FeatureSoftwareHardware
TangibilityIntangibleTangible
LifespanCan be updated and upgradedLimited lifespan, can become obsolete
FunctionalityCan be programmed to perform a wide range of functionsPerform specific functions
CostGenerally less expensive than hardwareGenerally more expensive than software
AccessibilityCan be installed and maintained remotelyRequires physical access to the computer system
ComplexityCan be installed and maintained by users with basic computer skillsOften requires specialized knowledge to install and maintain
Note that this chart is not exhaustive and there may be other differences between software and hardware depending on the specific context.

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