Software can be defined more narrowly as the instructions executed by the computer hardware, or more broadly including other concepts, tools, and methods needed to make an executable system … See more

A host of earlier inventions were necessary for the creation of software, including mathematics—especially binary and decimal number systems, and zero—alphabets See more

There are two main types of software:
• Operating systems are "the layer of software that manages a computer's resources for its users and their applications". There are three main purposes that an operating system fulfills: See more

Software companies aim to deliver a high-quality product on time and under budget. A challenge is that software development effort estimation is often inaccurate. Software development begins by conceiving the project, evaluating its feasibility, … See more

Software quality is defined as meeting the stated requirements as well as customer expectations. Quality is an overarching term that can refer to a code's correct and efficient behavior, … See more

Programming languages
Programming languages are the format in which software is written. Since the 1950s, thousands of different programming languages have been invented; some have been in use for decades, while others have fallen … See more

Liability
Software is often released with the knowledge that it is incomplete or contains bugs. Purchasers … See more