Apple Corps, which depicts a green apple as its logo, argued the computer-maker had breached a 1991 agreement that limited the use of each other's symbols to music and computing respectively.

ECONOMIST: Business this week

Also, calling a tablet a PC means that we are acknowledging a tablet is a real computer, not a dismissing it as some limited-use mobile device.

FORBES: Five Reasons Why Tablets Like the iPad Are PCs

Otherwise, Apple would have remained a high-priced pretty desktop computer that would have only reached a limited audience.

FORBES: Four Events to Change Apple's Course

PLDs cost more than ASIC chips, which has generally limited their use to high-end telecommunications, computer networking and military applications.

FORBES: Technology briefing