The first use of the word software is credited to mathematician John Wilder Tukey in 1958. The first programmable … 展开

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 syste… 展开

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, eval… 展开

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, its reusability and portability, … 展开

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 into disuse… 展开

Software is often released with the knowledge that it is incomplete or contains bugs. Purchasers knowingly buy it in this state, which has led to a legal regime where liability for software products is significantly curt… 展开