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Computer Memory

The computer memory is a physical device used to store data or programs for use in a computer. Some types of computer memory include RAM (random access memory), ROM (read-only memory), and page cache.

4,434 Questions

What is the features and functions of memory test?

The tests are used to insure you have no "Bad Blocks" of memory. Bad memory can cause very bizarre and sporadic behavior as well as system crashes or the infamous blue screen of death. If you are having computer issues that are just plain "buggy" or are experiencing system crashes then you should use the tests to see if something is wrong with your RAM.

Hope this helps!

How do modern PCs automatically detect new RAM?

The computer detects the amount of RAM accessible during boot. On some systems the amount of RAM is printed on the screen during boot.

Is the capacity of the long term memory unlimited?

It is very possible. Unlike the short term memory, the long term memory is presumed to have unlimited capacity, because there has never been any evidence to disprove this theory. At the moment, nobody has ever been seen to not be able to take any more information in to their long term memory, however there is also no evidence to prove this theory, i mean, how can you investigate it?

Think of the long term memory as a library with unlimited storage room, and think of the short term memory as a notepad with excessively limited room :)

What type of memory is erased by using a large voltage?

Rom that is read only memory can be erased by large voltage because every electronic device have own system which means that are made to process or work within there capacity. for example a man cannot eat more than there capacity ,if they do they fell uncomfortable similarly if more voltage is provided to computer [more than there capacity] than it will be crash.

When you're working with a file and using application software the application is temporarily stored in a ROM b the CPU c the hard drive or d ram?

When you're working with a file and using application software the application is temporarily stored in a rom b the cpu c the hard drive or d ram?

Which processor can run 6gb ddr3 ram?

Any 64-bit processor with a 64-bit chipset should be able to. For instance, a Core 2 Duo on a 975X. Some older 32-bit server processors and motherboards could also address 6 GB with PAE enabled, but these were much more limited in what you could actually accomplish with them.

What are the advantages of long flash over arrester modulator?

  • LFA-Ls help avoid both conductor burnouts and overhead power lines outages caused by lightning induced overvoltages.
  • Eliminate the consequences of lightning flashovers without damaging lines and substations equipment, as opposed to arcing horns, which transform single-phase shorting into two-phase one, thus creating a powerful electrodynamic blow on the equipment.
  • Extend the working life of high voltage circuit breakers.
  • Protect electric networks against arc overvoltages.
  • Cannot be destroyed by lightning currents and power follow currents as metal oxide arresters, gapped silicon carbide arresters or expulsion tubes since currents are flowing outside of LFAs.
  • Are not stressed by operational voltage and do not require maintenance.
  • Do not require reduced grounding resistance of poles on which they are mounted

What does the computer require on a regular schedule?

Registry cleaning, defragmenting, and temp file cleanup. This can take a while,

What is preventive maintance?

"Preventative maintenance" refers to taking steps to help keep something working like it's supposed to work BEFORE something goes wrong with it. E.g., changing the oil in your car every 3,000 miles is considered "preventative maintenance" in that it helps ensure you engine will continue to perform as it is supposed to. Usually, performing preventative maintenance is far less expensive than having to pay to repair whatever it is the preventative maintenance addresses. Using our above oil example, it's a whole lot cheaper to replace the oil in your car every 3,000 miles than it is to replace the engine because you never changed the oil (not changing the old would likely cause all kinds of problems with the [very expensive] engine).

The above definition and example can be extended into the computer world as well. There's not a lot of PHYSICAL (i.e, hands-on) preventative maintenance to perform on today's computers and laptops, but there are a few. Perhaps the most important are keeping the keyboard and touch pad clean, and, if you use your CD/DVD player/s a lot, using a good commercial CD/DVD cleaner kit to keep it/them clean as well. NOT keeping those items clean can lead to failures. Also, if you have a touch-sensitive screen on any computing device you use, you will need to be sure to follow the manufacturer's preventative maintenance instructions.

The whole question of "preventative maintenance" at the software and operating system levels is a bit trickier to define, but in general, it follows the definition above. For example, you might install a program whose job is to run in the background (i.e., you don't even know it's running -- kind of like s silent sentry on duty 24/7) and keep your computer running smoothly by monitoring/repairing software and OS issues that arise in the day-to-day use of your computer, allowing you to decide whether to repair them, or letting the program repair issues on-the-fly.

Finally, if you have a desktop computer, making sure you keep the fan free of dust is a preventative maintenance item that can help keep the insides of the computer from getting too hot, which could cause a failure of one or more hardware components.

How do you increase the video memory dedicated for a game from 64mb to 128 mb?

you can't or you can get more ram but it only increases shared memory video!

What does 4gb ddr2-800mhz sdram mean?

It is a type of RAM (Random Access Memory) Broken down, it is 4 gigabytes (the amount) double data rate 2 (the improved version if DDR) 800 megahertz (the speed) synchronous dynamic random access memory(the type)

How many bytes of memory space would be needed to store 2 minutes of speech sampled at 20kHz in uncompressed 16bit precision mono format?

20 kHz is not a particularly high sampling rate - it only reproduces sounds up to 10 Khz, and even senior citizens can hear that. The correct answer to the question is 4,800,000 Bytes.

Is ROM better than RAM?

They are both needed for your computer to work. You make the decision.