Question about Dell Inspiron 2650 Notebook
All the follwing questions are base don memory CAPACITY that can be installed not how much is installed when it is produced and sold.
What controls the memory capacity for a given computer, the chip set used, the motherboard used or something else?
For instance, if a given chipset, say an Intel xxx, is isued on different motherboards will all of the motherboards using that chip set have the same memory capacity ( I relaize that the motherboard may have less slots than the chip set will support, but assuming both boards have same slots on it)?
Next step, assuming that you have the same motherboard, will all computers using that same board have the same memory capacty or can the computer manufacturer control the memory capacity during the assembly process or during programing?
Next step, assuming that all the computers have the same motherboard and are in the same brand of computer, will they all have the same memory capacity or will that vary with model?
Thank you for your patience with my ignorance.
The maximum amount any computer will work on is 4 gigabytes. You may see some specialty models with 6GB but that is a waste of money because programmers write programs for a maximum of 4GB as that is the industry standard. The maximum memory capacity depends on the motherboard setup. For instance, any desktop can take up to 4 GB but some smaller laptops cannot. It depends on the company selling the product as they decide which motherboard to install. Netbooks, 7" to 10" screen can only hold 2 GB, while all 15" and above laptops can hold 4 GB. So basically 4GB max or less. Obviously 4GB will run faster than anything less. Memory is fairly cheap so always go with the 4GB. Second part of your question,manufacturers decide which motherboards go into which computers and the larger dealers like Dell, HP, Compaq, etc will always offer 4 GB. Inexpensive computers like Emachine cut cost by not spending the money for the best motherboards so they may only hold 2GB. Hope this answers your questions.
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Posted on Jan 23, 2009
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Posted on Jan 02, 2017
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Hard drive manufacturers market drives in terms of decimal (base 10) capacity. In decimal notation, one megabyte (MB) is equal to 1,000,000 bytes, one gigabyte (GB) is equal to 1,000,000,000 bytes, and one terabyte (TB) is equal to 1,000,000,000,000 bytes.
Programs such as FDISK, system BIOS, Windows, and MacOS use the binary (base 2) numbering system. In the binary numbering system, one megabyte is equal to 1,048,576 bytes, one gigabyte is equal to 1,073,741,824 bytes, and one terabyte is equal to 1,099,511,627,776 bytes.
Simply put, decimal and binary translates to the same amount of storage capacity. Let's say you wanted to measure the distance from point A to point B. The distance from A to B is 1 kilometer or .621 miles. It is the same distance, but it is reported differently due to the measurement.
Capacity Calculation Formula
Decimal capacity / 1,048,576 = Binary MB capacity
Decimal capacity / 1,073,741,824 = Binary GB capacity
Decimal capacity / 1,099,511,627,776 = Decimal TB capacity
A 500 GB hard drive is approximately 500,000,000,000 bytes (500 x 1,000,000,000).
500,000,000,000 / 1,048,576 = 476,837 megabytes (MB) = 465 gigabytes (GB)
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