Multiple choice

The storage within the addressing scheme of the computer but exceeding the physical capacity is called

  1. Address space

  2. Overlay storage

  3. Secondary storage

  4. Scratched memory

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A Correct answer
Explanation

Address space refers to the total range of memory addresses that a CPU can generate based on its address bus width (for example, a 32-bit CPU can address 2^32 = 4GB). This 'virtual' address space can exceed the actual physical RAM installed through techniques like paging and virtual memory, allowing more addressable memory than physically exists.