Provide us with this "sum" function, and we can tell you. We aren't psychic.
A .jpg file is going to be a picture. =)
Well, I would say a web browser, like Mozilla Firefox, Safari for IOS, Windows Edge, Chrome, or Internet Explorer; and some anti-malware software, since there are multiple websites on the WWW that try to steal your information and give your device viruses.
<u>The most important job duty of a software developer is to develop a product/program that is easy to use and melts a customer’s need.</u>
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Explanation:
Some other duties of a Software developer are
- Researching,designing and implementing new software program's and then managing them
- Testing and evaluating the developed software program's
- Identifying errors in the existing program's and modifying the same
- Writing effective codes
- employing various software tools
- Training new users
- Working closely with the other developers
