Where is virtual address space stored?

secondary storage
The virtual address space is kept in secondary storage (disk). The virtual part of virtual memory means that the operating system maintains an image of the address space in secondary storage. Because an image of the address space is kept in secondary storage, it can be larger than the physical memory.

What is difference between a physical address and a virtual address?

Physical addresses refer to hardware addresses of physical memory. Virtual addresses refer to the virtual store viewed by the process. only a portion of the address space that processes do use is loaded into physical memory at a time.

What is the difference between physical memory 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.

How do you find the real address from a virtual address?

16 bit of physical address space = 2^16 = 65,536 address space. 4096 Byte page size determines the offset, which is Log(4096) / Log (2) = 12 bit. This means, 2^12 for Page size. As per @Akash Mahapatra, the offset from virtual address is directly mapped to the offset onto physical address.

What is the relation between address and memory space in a virtual memory system?

An address in main memory is called a location or physical address. The set of such locations is called the memory space. The memory space consists of actual main memory locations directly addressable for processing. Generally, the memory space is smaller than the address space.

What is virtual address space in operating system?

The virtual address space for a process is the set of virtual memory addresses that it can use. The address space for each process is private and cannot be accessed by other processes unless it is shared. Each time a thread references an address, the system translates the virtual address to a physical address.

Why is virtual address space bigger than physical?

The whole virtual address space does not have to be mapped to physical memory at the same time. That’s what makes it “virtual”. The contents of that virtual memory which is allocated but not currently mapped to physical memory reside on some form of external storage, typically disk.

Is virtual address and logical address same?

Logical Address is generated by CPU while a program is running. The logical address is virtual address as it does not exist physically, therefore, it is also known as Virtual Address. This address is used as a reference to access the physical memory location by CPU.

Is virtual and logical memory same?

Virtual memory is a logical memory. In other words, it is a memory management technique performed by the operating system. Virtual memory allows the programmer to use more memory for the programs than the available physical memory. Moreover, virtual memory extends the use of physical memory by using the hard disk.

What is it called when a virtual address is converted to a physical address?

• the conversion of a virtual address to a physical address is called address. translation. On the MIPS, virtual addresses and physical addresses are 32 bits long. This limits the size of virtual and physical address spaces.

What translates the logical address into a physical address?

MMU
Explanation: The MMU translates the logical address into a physical address by adding an offset.