The software that has no restrictions from copyright holder regarding modification of the software's internal and its redistribution is called an Open source software. They are being provided for use and redistribution for free, with no cost. They can be easily downloaded on the Internet.
Answer:
A blog
Explanation:
A blog is a regularly updated website or web page, typically one run by an individual or small group, that is organised by posts.
2 4 9
Explanation:
Basically what I thought was the way was, since 2 is first, then its 1, then since 4 is second, it's added second, lastly to get the last oneI added them all and got 9 so that's third.
One shortcoming of rapid application development (RAD) is a narrow focus, which might limit future development.