Yes very much so! You could learn previous mistakes/bugs/etc and find solutions to fixing them and avoiding getting them. As well as much more. History is always a fun subject for anything, really in my opinion.
Answer:
It's simply a software that runs a computer's basic tasks, or functions, such as scheduling, running applications, and controlling peripherals.
Answer
To find mean of data add all the numbers in the set of data and divide the sum by the number of addends.
To find range, identify the difference between the highest value and lowest value in the set of data.
Explanation
Mean, mode, median and range are the primary measurements used to get the measures of central tendencies. To get the mean and range; first arrange the data in an ascending order, then identify the highest value and the lowest value in the set. The difference between these two data values gives the range of the set of values. For the mean, add all the set of values and then divide their sum with the number of values in the set of data.
False,
The Pop Color tool can be used to select one particular color, changing the rest of the image to black and white. The effects available in Photoshop Express don't allow for a huge amount of customization