Why is capacity of RAM is a power of 2?
vishalhakData Transfer Rate
The speed with which data can be read from a CD ROM drive. 150 kilobytes per second was the original standard rate; 2x = 300 kb/second; 4x = 600kb/s (etc.); 12x = 1.8 mb/s; 16x = 2.4 mb/s.
good info......can u tell me why ram capacity always come in 2s power
eg 512=(2)9
1024=(2)10
Replies
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Kaustubh Katdare
Because memory is measured in terms of bits or bytes.enigmacan u tell me why ram capacity always come in 2s power
eg 512=(2)9
1024=(2)10
A byte is eight bits, resulting in the possibility of 256 values (28). A kilobyte is 1,024 (210) bytes (the term "byte" is often defined as a collection of bits rather than the strict definition of an 8-bit quantity.) -
TARANJEET SINGHOr this can be the reason that RAM works on binary numbers (0,1) so it's memory is always measured in power of two. Correct me if I'm wrong
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faizaanhi friend's
my point of view is that
as computer understand only binary language i.e 0 & 1
so for addressing purpose in memory if the size is in power of 2 than we can address all registers using n bits where n is 2^n=size of memory.
eg..if size of memory is 1024kb (i.e there are 1024 registers with 8 bit each) than we require 10 bits ( i.e 2^10 =1024) for addressing this memory area .
pls correct me if i am wrong... -
saurabh2486big k is right or u can say everyone is right
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just2rock
correct...your topic answer is absolutely okfaizaanhi friend's
my point of view is that
as computer understand only binary language i.e 0 & 1
so for addressing purpose in memory if the size is in power of 2 than we can address all registers using n bits where n is 2^n=size of memory.
eg..if size of memory is 1024kb (i.e there are 1024 registers with 8 bit each) than we require 10 bits ( i.e 2^10 =1024) for addressing this memory area .
pls correct me if i am wrong... -
AriyanA nonvolatile memory having a non-power of two memory capacity is disclosed. The nonvolatile memory device includes at least one plane. The plane includes a plurality of blocks with each of the blocks divided into a number of pages and each of the blocks defined along a first dimension by a first number of memory cells for storing data, and along a second dimension of by a second number of memory cells for storing data. The nonvolatile memory has a non-power of two capacity proportionally related to a total number of memory cells in said plane. The nonvolatile memory also includes a plurality of row decoders. An at least substantially one-to-one relationship exists, in the memory device, for number of row decoders to number of pages. Each of the row decoders is configured to facilitate a read operation on an associated page of the memory device
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