Computer Memory

The famous quote by Bill GAtes about Memory in1981 was ," Memroy is an important thing and needs to be taken care of or it will burn out and die of natural causes, we can not live without memory or we also will die by the know existnce of death".

64 bit

Secondary memory (or secondary storage) is the slowest and cheapest form of memory. It cannot be processed directly by the CPU. It must first be copied into primary storage (also known as RAM ).

The purpose of CMOS RAM is to hold the BIOS program as it is executed by the processor. BIOS is the first program to be loaded when a computer is powered on.

mb is smaller than gigs so 512mb is half a gig.

In certain situations the page tables could become large enough that by paging the page tables, one could simplify the memory allocation problem (by ensuring that everything is allocated as fixed-size pages as opposed to variable-sized chunks) and also enable the swapping of portions of page table that are not currently used.

You upgrade your RAM on your computer by buying RAM expansion cards for your computer. You then would have to open your computer case and you look for what look like rectangle shaped slots that are on the motherboard. These are called expansion slots and you would slide the RAM expansion card in one of these slots till the card is all the way in. You will want to put some force while putting the card in to make sure that it is properly seated in the expansion slot but you will want to also be gentle as the cards are pretty delicate and even a chip could cause it to not work properly.

Small Outline

SDRAM (Synchronous DRAM)

Almost all systems used to ship with 3.3 volt, 168-pin SDRAM DIMMs. SDRAM is not an extension of older EDO DRAM but a new type of DRAM altogether. SDRAM started out running at 66 MHz, while older fast page mode DRAM and EDO max out at 50 MHz. SDRAM is able to scale to 133 MHz (PC133) officially, and unofficially up to 180MHz or higher. As processors get faster, new generations of memory such as DDR and RDRAM are required to get proper performance.

DDR (Double Data Rate SDRAM)

DDR basically doubles the rate of data transfer of standard SDRAM by transferring data on the up and down tick of a clock cycle. DDR memory operating at 333MHz actually operates at 166MHz * 2 (aka PC333 / PC2700) or 133MHz*2 (PC266 / PC2100). DDR is a 2.5 volt technology that uses 184 pins in its DIMMs. It is incompatible with SDRAM physically, but uses a similar parallel bus, making it easier to implement than RDRAM, which is a different technology.

Rambus DRAM (RDRAM)

Despite it's higher price, Intel has given RDRAM it's blessing for the consumer market, and it will be the sole choice of memory for Intel's Pentium 4. RDRAM is a serial memory technology that arrived in three flavors, PC600, PC700, and PC800. PC800 RDRAM has double the maximum throughput of old PC100 SDRAM, but a higher latency. RDRAM designs with multiple channels, such as those in Pentium 4 motherboards, are currently at the top of the heap in memory throughput, especially when paired with PC1066 RDRAM memory.

DIMMs vs. RIMMs

DRAM comes in two major form factors: DIMMs and RIMMS.

DIMMs are 64-bit components, but if used in a motherboard with a dual-channel configuration (like with an Nvidia nForce chipset) you must pair them to get maximum performance. So far there aren't many DDR chipset that use dual-channels. Typically, if you want to add 512 MB of DIMM memory to your machine, you just pop in a 512 MB DIMM if you've got an available slot. DIMMs for SDRAM and DDR are different, and not physically compatible. SDRAM DIMMs have 168-pins and run at 3.3 volts, while DDR DIMMs have 184-pins and run at 2.5 volts.

RIMMs use only a 16-bit interface but run at higher speeds than DDR. To get maximum performance, Intel RDRAM chipsets require the use of RIMMs in pairs over a dual-channel 32-bit interface. You have to plan more when upgrading and purchasing RDRAM.

Programs from the hard drive are sent to the RAM for quick access and from there are sent to either the CPU or GPU, depending on whether the operation is calculational or some type of video processing.

Answer Gigabytes is a measure of computer memory storage capacity, Gigahertz is a measures frequency, the two can not be equated.

The specifications are memory chips and memory modules. The DDR PC3200 RAM is a popular choice when one has to specify in this specific memory equipment.

The largest size DDR2 DIM sold today (2013) is a 244-pin MiniDIMM. It is used for DDR2 SDRAM. Currently, the fastest speed on a DDR2 DIM is 1066 MHz.

kidneys

**actually the temporary storage site for urine is the urinary bladder.

Advantages:

1.Low power.

2.Static.

3.Faster.

4.Used in cache memory.

Disadvantages:

1. Reliability is less.

2. uses more transistors per bit of memory.

3. More expensive.

1. Go for google.com

2. type the software u want to download with in double quotes.

3. google will search for your text, then it displays relevant search.

4. click on of links to see whether that's wat u needed.

5. then u have a button "download", click on that.

6. U will see window to run or save a file.

Click on save and then choose a path where u want to. then download will start.

i think this link will be more helpful for you:

http://ezdia.com

It stands for "Gag Box"

Things that use RAM include all desktop applications such as word processors, spread sheets, power points, or any other applications on the desktop including games such as PC game discs and MMORPGS. Any thing that also requires the use of the internet uses RAM such as, web browsers.

Memory is a loose term when it comes to computers. Memory can mean one of two things that are both primary and absolutely necessary to run a computer. One is RAM, which is the smaller memory that helps with computer performance. Without it, the computer will not start up at all because the RAM is used for essential backround tasks. The other memory is HDD memory (hard drives). This memory is used to store information that does not need to be accessed instantaneously. HDD memory is used to store the operating system of a computer, as well as other information such as programs and documents. There is no "primary" memory, in a computer, as it can mean two different things that are both invaluable.

Cache memory is random access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. As the microprocessor processes data, it looks first in the cache memory and if it finds the data there (from a previous reading of data), it does not have to do the more time-consuming reading of data from larger memory.

Cache Memory generally comes in smaller size (3MB, 6MB etc) than the RAM (512 MB, 1GB,2GB.....)

A three-minute song is about 5MB, and there are 1024MB in a GB...or 8096MB on your memory card. You'll lose some space here and there, so let's say your 8GB card holds 7800MB of data. So, rounding down, you should be able to store about 1500 songs on your memory card.

As with everything, your mileage may vary--someone who listens to Iron Maiden (a band that routinely releases 10-minute songs) is going to get fewer songs on the card than someone who listens to radio-friendly hits.

Easily....However you must be certain that you are installing the correct type of RAM for your system. There is DDR - DDR2 - low density - high density. Check to be sure what kind you have before you buy more

1 bit = a 1 or 0 (b)

4 bits = 1 nybble (?)

8 bits = 1 byte (B)

1024 bytes = 1 Kilobyte (KB)

1024 Kilobytes = 1 Megabyte (MB)

1024 Megabytes = 1 Gigabyte (GB)

1024 Gigabytes = 1 Terabyte (TB)