CPU

CPU

1. Parts of the CPU

   • CU
     • The Control Unit- Controls all the other components of the CPU it contains the decoder
   • Cache
     • Very fast random access memory (RAM)
   • ALU
     • Performs arithmetic and logical operations to carry out program instructions
   • Clock
     • Controls the rate at which program instructions are carried out, by sending control electrical signals at regular intervals, called cycles
   • Decoder
     • Interprets program instructions and tells the ALU what operations to carry out.
   • Buses
     • Electrical conductors
   • Registers
     • Program Counter
     • Memory Address Register (MAR)

2. Jobs of the CPU

3. 2.2 gigahurtz means it can complete 2.2billion cycles per second