POS系统有何特点?
参考答案:1、分门类别管理;
(1)单品管理
(2)员工管理
(3)顾客管理
2、自动读取销售点实时信息;
3、集中管理信息;
4、连接供应链的有力工具。
An instruction is made up of (41) that specify the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform the operation of (42) two numbers, it must know (43) the two numbers are. The processor’s job is to (44) instructions and operands from memory and to perform each operation. Having done that, it signals (45) to send it next instruction.
A.hard disk
B.register
C.memory
D.cache
大便艰涩,排出困难,小便清长,面色觥白,四肢不温,喜热怕冷,腹中冷痛,舌淡苔白,脉沉迟。此属:
A.气秘
B.冷秘
C.热秘
D.虚秘
E.以上都不是