What Is the Difference Between Virtual and Physical Memory?

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Also to know is, what is a physical memory?

Physical memory refers to the actual RAM of the system, which usually takes the form of cards (DIMMs) attached onto the motherboard. Also called primary memory, it is the only storage type directly accessibly to the CPU and holds the instructions of programs to execute.

Also Know, is hard disk a physical memory? The hard disk has enormous storage capacity compared to main memory. The hard disk is usually contained inside the case of a computer. start with a simple computer - like an embedded microcontroller. it has physical memory, which is also main memory.

Also asked, why is virtual memory bigger than physical memory?

Virtual memory is usually much larger than physical memory, making it possible to run programs for which the total code plus data size is greater than the amount of RAM available. This paging is performed automatically by collaboration between the CPU, the memory management unit (MMU), and the operating system kernel.

What is the difference between physical and logical memory?

Physical memory is RAM; Actually belongs to main memory. Logical address is the address generated by CPU. In paging,logical address is mapped into physical address with the help of page tables.