1.2 Memory

1.2 Memory

1. RAM

   • Random access memory is the hardware in a computing device where the operating system(OS), application programs and data currently in use are kept so they can be quickly reached by the device's processor.

2. CPU

   • Central processing unit also called a central processor or main processor, is the electronic circuitry within a computer that carries out the instruction of a computer program by preforming the basic arithmetic, logic, controlling and input/output(I/O) operations specified by the instructions.

3. Buses

   • Control bus
     • a control bus is a computer bus that is used by the CPU to communicate with devices that are contained within the computer.
   • Address bus
     • An address bus is a computer architecture. It is used to transfer data between devices. The devices are identified by the hardware address of the physical memory(the physical address). The address is stored in the form of binary numbers to enable the data bus to access memory storage.