there are 2 types of interrupts external and internal. NMI has highest priority among all external interrupts, TRAP has highest priority among all internal interrupts.
The phalanges or a phalanx are/is digital bones in the hands and feet of most vertebrates. In primates, the thumbs and big toes have two phalanges while the other digits have three phalanges. The phalanges are classed as long bones.