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If a server object is not loaded in the memory and the request for it, then the server object is loaded in to the memory and is initialized
Memory is microchip; address are processor board slots
A handle provides the means by which we can refer to an object by a virtual memory address rather than its physical address. There are only 4 gigabytes of physical addresses available on a 32-bit system, where each address refers to a single byte of memory. However, not all 32-bit systems have a full complement of 4 gigabytes of physical memory. So, when a memory request is made but there is insufficient physical memory available to meet the request, objects that are already allocated may be moved out of memory and stored in a hard-disk file, thus freeing the physical memory to meet the allocation request. Any object that was moved out of memory can be moved back into memory when it is needed, however there is no guarantee that the object will exist at the same address it was originally allocated, because if the object that currently resides at that address is in use it cannot be moved out. Thus, an object's physical address may change at any time. When we make a memory request, the operating system returns the start address of the allocation, allowing us to refer to the allocation. However, if that address can change at any time we would not be able to refer to the objects stored within that allocation because we'd still be referring to the original location. To get around this, the operating system returns a virtual address rather than a physical one. The operating system maintains a table of these virtual addresses and maps them to physical addresses. As objects are swapped to and from physical memory, the operating system updates the table accordingly. In this way, we can refer to objects through their virtual addresses and the operating system will translate those addresses into physical ones. A virtual address is, therefore a handle; it allows us to "hold" our memory allocations by referring to objects through their virtual addresses.
When you call a function, the stack pointer is adjusted to cater for the function's arguments (if any), the caller's return address (mandatory), the function's local variables (if any) and the function's exception handlers (if any).
The address of the Iraq Memory Foundation Inc is: 911 Duke St, Alexandria, VA 22309-4221
memory address is stored in binary form
The highest memory address in the 8086/8088 is FFFFFH.
Demand Paging
Physical Address refers to Storage location on Physical Memory wheres Logical Addressing is used by Memory Managing Programs to refers addresses from Physical Memory and Virtual Memory.
It takes 23 address lines to address 8 mb of memory.
There is no microprocessor with !t of address memory, only virtual memory. the firt one was the 80486.
The program counter in the processor holds the address of the next instruction needed from main memory. The program counter copies its contents into the memory address register. The memory address register then sends the address along the address bus to main memory and the contents of the memory location specified by the address are sent along the data bus to the memory buffer register. The contents of the memory buffer register are then copied to the current instruction register where they are decoded and executed.