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The actual location in main memory refers to the specific address or location where data or instructions are stored in a computer's RAM (Random Access Memory). This is determined by the memory management unit (MMU), which translates logical addresses used by programs into physical addresses in memory. The organization of this memory is crucial for efficient data retrieval and execution of processes. Accessing the correct location is essential for the system's performance and stability.
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What is the location of the FSB?
The front-side bus is where your main memory lives.
How mar and mdr work?
MAR (Memory Address Register) holds the address of the memory location to be accessed or written to in the memory unit, whereas MDR (Memory Data Register) holds the actual data that is to be written to a memory location or data read from a memory location. MAR is used to specify the address, while MDR is used to temporarily store the data during memory operations.
Where the printf statements are stored in memory?
Try this: #include <stdio.h> int main (void) { printf ("printf is at location %p\n", (void *)printf); printf ("main is at location %p\n", (void *)main); return 0; }
Is cache memory is main or sec memory?
cache memory is neither main memory nor second memory. DDR's are Main memory and Disk is second memory.
What addressing mode could be used to add the contents of a memory location to the contents of accumulator A?
To add the contents of a memory location to the contents of accumulator A, the direct addressing mode can be used. In this mode, the instruction specifies the actual memory address where the operand is located. The processor retrieves the value from that memory address and adds it directly to the contents of accumulator A. This method allows for straightforward access to the operand stored in memory.
What are the components of a variable?
A variable typically consists of a name, a data type, a value, and a memory location where the value is stored. The name is used to reference the variable in the code, the data type defines the type of data the variable can hold, the value is the actual data stored in the variable, and the memory location is where the value is stored in the computer's memory.
Physical address and logical address?
A logical (or virtual) address is a reference to a memory location independent of the current assignment of data to memory; a translation must be made to a physical address before the memory access can be achieved. A relative address is the address expressed as a location relative to some known point, usually the beginning of the program. A physical address, or absolute address, is an actual location in main memory.
Why do we need computer RAM?
Most modern computers use Random Access Memory for their main memory. However you don't need Random Access Memory, Sequential Access Memory is perfectly adequate and has been used in many computers in the past for main memory (it just happens to be much slower to access than Random Access Memory as you need to wait for the location to come around again).
Is the root directory of a disk should be placed at a fixed address in main memory?
NO.. it can be at any address in main memory.. But is should be at fixed location on hard disk because root directory needs to be loaded every time the pc boots.. thus it is kept at fixed location in disk to avoid the searching for it at every boot
What is the difference between main and auxiliary memory?
The major difference between main memory and auxiliary memory is that main memory is directly accessed by CPU but the auxiliary memory is not accessed by the CPU directly.For this the data is first transferred to main memory from auxiliary memory and then from main memory the data is transferred to the CPU for further processing. Answered By: Richa Singh
When does the operating system creates virtual memory?
when the actual memory is full
Can microprocessor 8085 take memory A000?
Yes, the 8085 microprocessor can access memory location A000, as it has a 16-bit address bus that allows it to address up to 64KB of memory, ranging from 0000 to FFFF in hexadecimal. The address A000 falls within this range, meaning the 8085 can read from or write to this memory location. However, the actual access depends on the system's memory configuration and whether that specific address is mapped to valid RAM or ROM.
