Apple has quietly discontinued the Intel-based 21.5-inch iMac, which had remained available as a low-end configuration suitable for educational institutions. This leaves customers with the 24-inch and ...

The new iMac — still available in 21.5-in. and 27-in. screen sizes — features an Ivy Bridge architecture powered by either an Intel Core i5 or i7 processor, faster graphics chipsets from NVIDIA and an ...