The Standard Electrical Dictionary(0.00 / 0 votes)Rate this definition: This term is used to express arrangements of electrical connections for giving the largest quantity of current, as a quantity armature, meaning one wound for low resistance. A battery is connected in quantity when the cells are all in parallel.
I would say that an A8-4500 running at 2.8GHz would be about equal to an Intel mobile CPU running at 2.2GHz - 2.3GHz, but that's a rough estimate. Individual tasks can vary though. The A8-4500 is a quad core CPU while most mobile Intel CPUs that would compete with the A8-4500 on price would be dual core CPUs.
If you were to use the laptop for video encoding which can take advantage of 4 cores (depending on the program and video codec), then I would say it would be just a little slower than a Core i5-2410m running at 2.7GHz. Otherwise, the A8-4500m would be about equal to the 2.2GHz Core i3-2330m CPU. A 7th grader would mean a child of about 11 years old (+/- 1 year) so I recommend a light laptop if he/she will be carrying it around with him/her.