Answer:
"Integrity constraints
" is the correct answer.
Explanation:
- A successful DBMS offers integrity constraints, which have been an option that allows you to modify the database layout without modifying the applications accessing the repository.
- A principle or requirement which the data in something like a database should therefore obey.
So that the above is the correct choice.
Answer:
All of the files are stored on a hard-drive. Except for the files you just viewed before turning off the computer, which is stored in the RAM (Random Access Memory). If your computer is a desktop, and the power goes out while looking at a photo/pdf, you may corrupt/lose the image if the computer didn't have enough time to store it in the hard drive. Everything in the hard drive is 'scratched' into it like a record. If you delete a file, that part of the disk is 'smoothed' as best as it can. If you upload another file, you might corrupt/ruin the image/pdf. Think of the smoothing like recording a football game over an old VHS of Winne the Pooh. If you have any other questions, please ask by commenting on this answer!
I'm on a brand new Lenovo and it was only like $500. Its great, especially if you are looking for a gaming Laptop. Otherwise, HP and Lenovo's older stuff is fairly decent in price
Answer:
Digital literacy means having the skills you need to live, learn, and work in a society where communication and access to information are increasingly through digital technologies like internet platforms, social media, and mobile devices.
Explanation:
Most computer devices are connected to the computer through port
Keyboard through usb port
Printer through usb port
Hand point device through usb port
Also computer equipped with LPT port for printers and COM port for additional devices like external modems e.t.c