3HNA
3HNE
3HNE
3HNE DSQC352
3HNE
小戴:() 传真: QQ:
控制时间
英文Control time;时间控制就是对各种操作实施时间上的定时。
在一条指令的执行过程中,在什么时间做什么操作均应受到严格的控制。
只有这样,计算机才能有条不紊地工作。
处理数据
即对数据进行算术运算和逻辑运算,或进行其他的信息处理。
其功能主要是解释计算机指令以及处理计算机软件中的数据, 并执行指令。
在微型计算机中又称微处理器,计算机的所有操作都受CPU控制,
CPU的性能指标直接决定了微机系统的性能指标。
CPU具有以下4个方面的基本功能:
数据通信,资源共享,分布式处理,提供系统可靠性。
运作原理可基本分为四个阶段:提取(Fetch)、解码(Decode)、
执行(Execute)和写回(Writeback)。
小戴:() 传真: QQ:
6GK7443-5DX04-0XE1 COMMUNICATIONSPROCESSOR CP443-5
6GK7343-1GX31-0XE0 S7-300 INDUSTRIAL ETHERNET CP SECURITY
6GK7443-1EX30-0XE0 COMMUNICATION PROCESSOR CP 443-1
6GK7443-1GX30-0XE0 COMMUNICATION PROCESSOR CP 443-1 ADV
6GK7277-1AA10-0AA0 COMPACT SWITCH MODULE CSM 1277
6GK7972-0MG00-0XA0 TS MODUL GSM
6GK7342-5DA03-0XE0 COMMUNICATION PROCESSOR CP 342-5
6GK7242-5DX30-0XE0 COMMUNICATION MODULE CM 1242-5
6GK7242-7KX30-0XE0 COMMUNICATION PROCESSOR CP 1242-7
6GK7243-5DX30-0XE0 COMMUNICATION MODULE CM 1243-5
6GK7243-1EX01-0XE0 COMMUNICATIONS PROCESSOR CP 243-1
6GK7343-1FX00-0XE0 COMMUNICATIONS PROCESSOR CP343-1 ERPC
6GK7277-1AA00-0AA0 COMPACT SWITCH MODULE CSM 1277
6GK7343-1GX30-0XE0 COMMUNICATION PROCESSOR CP 343-1 ADV
6GK7443-1GX20-0XE0 COMMUNICATIONS PROCESSOR CP 443-1 ADV
6GK7343-2AH01-0XA0 CP 343-2 (AS-I V3.0)
6GK7343-2AH11-0XA0 CP 343-2P (AS-I V3.0)
6GK7343-1CX10-0XE0 COMMUNICATION PROCESSOR CP 343-1 LEAN
6GK7080-0AA01-8BA0 DOCUMENTATION S7-CP/NCM S7
6GK7080-0AA01-8AA0 DOCUMENTATION S7-CP/NCM S7
6GK7443-1EX41-0XE0 COMMUNICATION PROCESSOR CP 443-1 ADV
6GK7377-1AA00-0AA0 COMPACT SWITCH MODULE CSM 377
6GK7443-1EX20-0XE0 COMMUNICATION PROCESSOR CP 443-1
6GK7343-1EX30-0XE0 COMMUNICATION PROCESSOR CP 343-1
6GK7343-1GX21-0XE0 COMMUNICATION PROCESSOR CP 343-1 ADV
6GK7343-1EX21-0XE0 COMMUNICATION PROCESSOR CP 343-1
6GK7443-5DX05-0XE0 COMMUNICATION PROCESSOR CP 443-5 EXT
6GK7443-5DX04-0XE0 COMMUNICATIONS PROCESSOR CP 443-5 EXT
6GK7343-1CX00-0XE0 COMMUNICATION PROCESSOR CP 343-1 LEAN
6GK7443-1EX40-0XE0 COMMUNICATION PROCESSOR CP 443-1 ADV
6GK7443-5FX02-0XE0 COMMUNICATION PROCESSOR CP 443-5 BASIC
6GK7343-1GX20-0XE0 COMMUNICATION PROCESSOR CP 343-1IT