optional halt instruction
1.In computer operation, a condition which occurs when the sequence of operations in a program stops. This can be due to a halt instruction being met or to some unexpected halt or interrupt. The program can continue normally after a halt unless it is a drop dead halt.
2.occupational instruction
3.Call instruction
4.algorithm instruction
5.group instruction
6.individual instruction
7.programmed instruction
8.Insurance instruction
9.instruction set
