A primary key is a field that contains data unique to a record
Answer:
a) you must identify your operating system. Follow the instructions of your operating system.
b) Delete the browsing history in Internet Explorer, follow these steps:
Start Internet Explorer from the desktop.
Press Alt to display the menu bar.
On the Tools menu, click Internet Options.
Select all the checkboxes then click Remove.
Explanation:
Restart Internet Explorer and try it.
Answer d. cloud computing
The first program was "typed" by turning large gears, flipping levers, and pushing buttons, sometimes programs took days or weeks to process and finish. The first ever recorded "program" was in 1883 when a person wrote algorithms on a large sheet of paper and used this as to know what to do next. I got this from a government website, FLVS is Florida Virtual School and I am taking a computer programming course.
