FIFO (First In First Out) stack is used in 8086.In this type of Stack the first stored information is retrieved first.
Code, Data, Stack, Extra Segment registers in 8086.
5 Mhz is the Maximum clock frequency in 8086.
Trap is known as Non-Maskable interrupts, which is used in emergency condition.
RST 7.5, RST6.5, RST5.5 are Maskable interrupts