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Why is your machine's physical memory 512 MB but its available physical memory only 152 MB?
Wiki User
∙ 18y ago
512MB is the actual physical memory on the system. However when you are running applications, they take up memory. 152MB is the available memory means, 360MB of memeory has been occupied by various applications that are running.
Wiki User
∙ 18y ago
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What is physical dump memory?
gotta multiply it by 23 to the 3rd power. how do you like me now dick
Why does a washing machine and other electrical devices have ROM and RAM?
why do washing machines have rom+ram <><><><> ROM (Read Only Memory) and RAM (Random Access Memory) relate to memory in a computer. Not all electrical devices have it. Most washing machines do not.
Why are page files used?
On a 32-bit system it is only possible to address a maximum of 2^32 bytes of memory (4,294,967,296 bytes which is 4 gigabytes). Memory is allocated in contiguous blocks such that if your program requires x bytes of memory, a block of x contiguous bytes must be available to meet the allocation request. If there is no single block large enough to meet the required allocation, you will get an out of memory error, even if there's more than x bytes of physical memory available in total. To avoid these problems, we use virtual memory. If there is no single block available to meet an allocation, existing allocations can be temporarily moved to a page file, thus freeing up the physical memory. When memory that has been paged out is required, other allocations can be paged out to allow the required memory to be paged in. Given that the contents of memory are swapped to and from the page file, the page file is often called a swap file. Data that was paged out of one physical address may be paged in to a completely different physical address. However, the virtual address does not change; the memory manager performs the translation between the physical and virtual addresses. This makes it possible for a 32-bit system to operate with a full complement of 4 gigabytes of memory even when the system has less than 4 gigabytes of physical memory installed. 64-bit systems allow us to address 18,446,744,073,709,551,616 bytes of memory which is far more memory than physically exists on the planet! For practical reasons, we can only use a small fraction of the full address space, however page files and virtual memory make it possible to use far more addresses than might be physically available.
Why is physical memory better than virtual memory?
Physical memory (in a computer) is 'better' than virtual memory because it is much faster (and speed is usually the main concern in this subject area). Physical memory (or RAM) is where the programs and variables are stored whilst they are working. Virtual memory is only used when the computer runs out of physical memory. Virtual memory is just one or more files saved on a hard disk. Access to the hard disk is much slower than access to the physical memory.
Which command displays amount of total and available memory?
You can use the DOS command MEM to show total and available memory, but it only shows the memory for the process that is running the command shell. It will not show the memory in terms of Windows, nor will it work at all for Windows 7.
What causes insufficent memory errors?
Lack of memory in the computer ! Many older machines are only supplies with 1 or 2 Megabytes - Windows is a 'memory-hungry' program that will reserve vast chucks for itself. Increasing the memory of the computer will usually cure the 'problem' !
Why does a computer have memory problems?
Computer do not have memory problems.Computer can such problems only when:Infected with virus.Improperly connected driveUser do not know how to save files.power faliure
What is a bignum?
A bignum is a number whose digits of precision are limited only by available memory.
How do you clear physical memory in Vista?
Volatile memory (RAM) only stores date in the current session, if you were to restart or shutdown your system this would then clear the RAM.
Can a pendrive act as a RAM?
A pendrive cannot act as ram. RAM's memory is volatile and directly connected to the motherboard. A pendrive can only act as physical memory.
Is there a limlit on use of headerfiles in a program?
No. The only limits are physical limits imposed by the hardware (memory constraints).
How many classes can we write in a single c plus plus program?
Its limited only by available memory.
