CPU(CENTRAL PROCESSING UNIT)
CPU(CENTRAL PROCESSING UNIT) is the heart of any computer system.it consists of:-
1. CONTROL UNIT(CU)
2.ARITHMETIC LOGIC UNIT(ALU)
3.MEMORY UNIT (MU)
1. CONTROL UNIT(CU):-Control unit controls all the hardware operation. those of input-output storage and have the processor itself.it fetches the requisite instructions from main storage,stores it in a number of special registers interprets the instructions and follows the instructions to be executed by giving signals (or command the appropriate hardware devices.
2.ARITHMETIC LOGIC UNIT(ALU):- The ARITHMETIC and logic units in computers are capable of performing addition,subtraction,division and multiplication as well as some logical operations .
CPU(CENTRAL PROCESSING UNIT) is the heart of any computer system.it consists of:-
1. CONTROL UNIT(CU)
2.ARITHMETIC LOGIC UNIT(ALU)
3.MEMORY UNIT (MU)
1. CONTROL UNIT(CU):-Control unit controls all the hardware operation. those of input-output storage and have the processor itself.it fetches the requisite instructions from main storage,stores it in a number of special registers interprets the instructions and follows the instructions to be executed by giving signals (or command the appropriate hardware devices.
2.ARITHMETIC LOGIC UNIT(ALU):- The ARITHMETIC and logic units in computers are capable of performing addition,subtraction,division and multiplication as well as some logical operations .
3.MEMORY UNIT (MU):- The memory unit is an essential component in any digital computer since it is needed for storing the programs that are executed by the CPU.the memory unit that communicated directly with the CPU is called the main memory and devices that provide backup storage are called auxiliary memory device. only programs and data currently used by the processor reside in the main memory.memory can be divides into two categories primary and secondary memory.
Primary memory also has two parts
1.RAM(RANDOM ACCESS MEMORY)
2.ROM(READ ONLY MEMORY)
2.ROM(READ ONLY MEMORY)
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