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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 happen if you Mix RAM sticks of different speeds?

Yes you can mix the ram, but the ram will default to the slowest of the set and only run at the slower speed.

Uses of logic gate OR?

AND gates are used to combine multiple signals, if all the signals are TRUE then the output will also be TRUE. If any of the signals are FALSE, then the output will be false.

ANDs aren't used as much as NAND gates; NAND gates use less components and have the advantage that they be used as an inverter.

ANSWER: And is a logical function of two or more implication. To make a statement to be true all inputs must be true otherwise the output is false. While the applications are extensively used in computer. This function was used long before computer as a logic discussion or statement. JFK believe in equality the Russians also believe in equality does it make JFK a communist? by implication it does.

Example of main memory of computer?

RAM or Random Access Memory is Tempory memory which your computer uses to load programs such as windows or games

Your Hard Drive is an example of permanent memory on your computer where you can save documents/games etc. So when you load up your PC the computer reads the HD and loads up your OS (eg Windows) into your RAM.

What type of computer uses the 68-pin micro-dimm and 144-pin so-dimm?

The type of computers that uses 68-pin micro-dimm and 144-pin so-dimm. :P problem... you just got trolled.

Who is Lord Ram?

He is the seventh avatar(incarnation) of Lord Vishnu. Born as the son of Dasaratha(father) and Kausalya(mother). The meaning of the word Rama is "Ramyathe ithi Ramaha" (sankrit) translation: "One who pleases your heart is Rama". rama is the husband of "sita" who is the daughter of king Janaka of Mithila.

Rama's life and journey symbolizes how one should have perfect

adherence of dharma despite harsh tests of life and time. He is the

embodiment of truth, of morality, the ideal son, and above all, the

ideal king. Rama is Maryada Purushottama, or The Perfect Man. More About Ram

Ram is the one who liberated the world from the evil of Ravan.

Ram is Hanuman's lord.

Ram is one of the most worshiped incarnations of Vishnu.

Ram is brother of Lakshman, Bharat, Satrughna

Ram is the one who crossed the ocean to Lanka by building the Ram setu which is today's Adam's Bridge ( claimed to be ).

Though Ram is to be everything, everywhere, everytime.

Jai shri Ram! :)

Aupmanyav adds: Both what Srigiridhar and drrsunderraj say is correct. There is no need to cross anything out.

What is XDR?

XDR DRAM or extreme data ratedynamic random access memory is a high-performance RAM interface and successor to the Rambus RDRAM it is based on.

How many kilobytes are in a megabyte?

Roughly, there are about 1000 kilobytes (KB) in a megabyte (MB).

More specifically, there are three possible definitions of the megabyte:

  • 1000×1000 bytes (SI international standard, used in disk drives, networking, etc.)
  • 1024×1024 bytes (common in memory manufacturer specs and some old floppy disks)
  • 1024×1000 bytes (the "1.44MB" floppy, which IBM introduced with their first personal computer, and some other uses)

So the actual number may be either 1000, 1024, or 1049 kilobytes in a megabyte, depending on the definitions you use for each.

The difference is due to the use of binary addressing in memories (1024 = 210).

How many hexadecimal digits are used to locate an address in the memory?

depends on the depth of memory, N address lines can map 2 Power N locations.

How many pins are on a dimm?

Types of DIMMs are DDR3 and DDR2 that have 240 pins, DDR DIMMs with 184 pins and SDRAM DIMMs with 168 pins.

What happens if you boot up a PC without any RAM installed?

The computer most likely will not boot,RAM is how data gets from point a to point b, if theres no highway for data to travel(RAM) how can the computer boot?

What has 1 yottabyte?

A byte is a sequence of 8 bits (enough to represent one alphanumeric character) processed as a single unit of information. A single letter or character would use one byte of memory (8 bits), two characters would use two bytes (16 bits).

Put another way, a bit is either an 'on' or an 'off' which is processed by a computer processor, we represent 'on' as '1' and 'off' as '0'. 8 bits are known as a byte, and it is bytes which are used to pass our information in it's basic form - characters.

An alphanumeric character (e.g. a letter or number such as 'A', 'B' or '7') is stored as 1 byte. For example, to store the letter 'R' uses 1 byte, which is stored by the computer as 8 bits, '01010010'.

A document containing 100 characters would use 100 bytes (800 bits) - assuming the file didn't have any overhead (additional data about the file which forms part of the file). Note, many non-alphanumeric characters such as symbols and foreign language characters use multiple bytes.

A kilobyte (KB) is 1024 bytes, a megabyte (MB) is 1024 kilobytes and so on as these tables demonstrate.

1024 Bytes = 1 Kilobyte, 1024 Kilobytes = 1 Megabyte, 1024 Megabytes = 1 Gigabyte, 1024 Gigabytes = 1 Terabyte, 1024 Terabytes = 1 Petabyte, 1024 Petabytes = 1 Exabyte, 1024 Exabytes = 1 Zettabyte, 1024 Zettabytes = 1 Yottabyte

The yottabyte (derived from the SI prefix yotta-) is a unit of information or computer storage equal to one septillion (one long scale quadrillion or 1024) bytes (one quadrillion gigabytes). The unit symbol for the yottabyte is YB.

As of 2012, no storage system or network has achieved even one thousandth of a yottabyte (a zettabyte) of information. The combined space of all computer hard drives in the world was estimated at approximately 160 exabytes in 2006, and as of 2009, the Internet was estimated to contain close to 500 exabytes.

When used with byte multiples, the SI prefix indicates a power of 1000: 1000000000000000000000000bytes = 10008 or 1024 bytes

The term "yobibyte" (YiB), using a binary prefix, is used for the corresponding power of 1024.

Can I replace a 800 MHz RAM module with 667 MHz RAM module?

Yep, Sure can....

If you aren't having any problems with the 800 MHz module then keep it over the 667MHz =)

What is the biggest memory byte size I know there are bytes kilobytes megabytes gigabytes terabytes petabytes exabytes zettabytes.... but what's the biggest?

There is no such number because numbers has no limit.

Normal person's computer, maybe 1-2 gigabytes of RAM. Most in the world is 80 terabytes - at a cost of nearly $5 million US. I think

#2.) I am pretty sure that the biggest so far is a brontobyte, but like the person before me said, there is no limit because numbers never stop. **9-5-2008**

#3.) The biggest byte of memory is called a Geopbyte. It consists of 1000 Brontobytes. We don't know why this term was created though, because nobody alive today will ever see a geopbyte of memory.

More information:

1 Brontobyte = 1000 Yottabytes 1 Yottabyte = 1000 Zettabytes 1 Zettabyte = 1000 Exabytes 1 Exabyte = 1000 Petabytes 1 Petabyte = 1000 Terabytes 1 Terabyte = 1000 Gigabytes 1 Gigabyte = 1000 Megabytes 1 Megabyte = 1000 Kilobytes 1 Kilobyte = 1000 Bytes

Source: http://www.whatsabyte.com 8/3/2008

4)

Bit

Byte,

Kilobyte,

Megabyte,

Gigabyte,

Terabyte,

Petabyte,

Exabyte,

Zettabyte,

Yottabyte,

Brontobyte,

Geopbyte,

Sagnabyte

dogbyte

sharkbyte

mybyte (this one hurts)

mosquitobyte

bigbyte

giantbyte

lankybyte

fatbyte

foodbyte

5) the biggest so far is a kryatbyte it is 1000 Saganbyte

Edit By Hagefade

It goes:

Bit

Byte

Kilobyte

Megabyte

Gigabyte

the biggest I've ever seen was a zettabyte.

here are some comparisons to help you understand why nobody needs to know "bytes" this large.

(a brontobyte his 10000000 times bigger than a zetta byte)

1 zettabyte =

80 times the information content of ---> all<--- human knowledge

11000 times the estimated data content of the whole web