<span>Open source software is usually free to download and install, and it can be studied, changed, and distributed according to the rights of the software. I don't believe there is any copyright laws on this type of software. The most known open source software is Linux and it's available for most operating systems right now. Typically, open source owners just ask for donations for their work.</span>
Answer:The page up and page down keys are sometimes called PgUp or PgDn and they are located on the right of the keyboard with page up on top and page down on the bottom. This short article about technology can be made longer.
Explanation:
<h2>Upgrading and retraining are mandatory to move along with the world.</h2>
Explanation:
Let us understand the term deeply,
Upgrading - Updating yourself with the latest
Retraining - learning new skills
Let me give you a real-life example which is nothing but "mobiles". If you are not updated then:
- you will sit with mobile to make calls and
- do money transactions only by stepping into the bank,
- connect with people only through calls or directly visiting them,
- distance break up the relationship,
- booking tickets in classical way, etc.
These could be done in one touch if you have latest mobile with necessary applications.
In a similar way, we need to get retrained to get to learn new skills, technologies so that we can do our job the best, to be on track, be productive, convert your valuable knowledge in terms of money, to be peaceful in day today transactions, etc.
I think it’s presentation.
Like if I am right.