answer:
Mainframe computers are used by large companies and organisations to perform critical tasks that involve bulk data processing like transaction processing, census information, statistical data and so on. They consist of extensive input and output facilities, are very stable and dependable and handle millions of transactions every day
Explanation:
Answer:
A. f/2.8
Explanation:
A hole within a lens, through which light travels into the camera body is referred to as the APERTURE.
It is typically expressed as "f number" in photography. Basically, a fast lens is any lens with a maximum aperture of f/4 or more i.e f/2.8 , f/1.8 , f/1.4 etc.
The smaller the number is the bigger the maximum aperture is. Hence, the bigger the maximum aperture the more light that your lens will allow in.
Therefore, the ideal aperture settings for a fast lens is f/2.8
I added a decimal format to keep all decimals within the hundredths place. I also changed the calcTip method to void and the argument to a double. Void means the method doesn't return anything and changing bill to type double let's us pass numbers with decimals to the calcTip method. I hope this helps!
I personally use the Kindle Paperwhite series, but any with an E-ink display will work great, as the display isn't very battery-consuming.