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0
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0answers
33 views

How storage affect if we use tertiary language? [duplicate]

as we uses binary language in all the computer systems around us which consist of 0s and 1s (Off and On) bits. Let assume that someone is developing a computer system based on tertiary system -1, 0, 1 ...
0
votes
0answers
24 views

Why storage for gadgets have capacity standards(why 16-32-64GB, but not 20-40-60GB) [closed]

The question is why all gadgets have standard storage capacity. Why 64GB,but not 60GB? Is there any logic or it's just a standard?
1
vote
1answer
29 views

How are the number of bytes less than the number of pixels in an image?

Lets take, for example this jpeg image here The image there is 400 x 300, or 120000 pixels and The file size of the image (on my computer) is shown to be 65171 bytes. This means the computer ...
2
votes
1answer
41 views

Is there a name for “density” of information?

If we compare multimedia and text, if we have n bytes of text and compare it with n bytes of video, then we would be likely to think that n bytes of text is "more" information than n bytes of video ...
4
votes
0answers
39 views

Representing Computations on Transcendental Numbers

Consider the set of transcendental numbers that are not compressible to a finite base-2 representation. How can I compute multiples (more generally, any algebraic computation) of one of these numbers,...
-3
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1answer
51 views

Determining HD Content [closed]

A storage system has 6 hard drives set up as RAID 5, where HD 6 is the parity disk using odd parity. One day, the system crashes due to failure of HD4. During recovery, we find out that HD1 stores ...
0
votes
1answer
50 views

How can I formalize key value stores with set theory?

I'm currently developing a simple key-value NoSQL store and want to build its formal model. I found article about key value formalisation with category theory, but I'm interested are there some works ...
-1
votes
1answer
84 views

Why do computers use binary, instead of ternary, or some other logic system? [duplicate]

In binary a unit (bit), can store 2 separate values. if you have ternary, then a unit can store 3 separate values. why then don't computers use higher bases, for example in ternary you could have 3 ...
1
vote
2answers
88 views

Why don't hard drives actually delete data?

As far as I understand it, when you delete a file from trash/recycle bin the file isn't actually erased from memory but is instead marked as being okay to be over written. So, my question is as to ...
4
votes
4answers
318 views

A “triangular” data structure for commutative relationships

A multiplication table is symmetric over a diagonal, so only about $n^2/2$ of the elements in an $n \times n$ multiplication table contain unique information. Same goes for addition tables. In fact, ...
0
votes
1answer
110 views

How to store factorials? [closed]

Can someone help me to store the factorial of large numbers such as 100! efficiently? UPDATE: obviously, storing the argument rather than the factorial digits themselves achieves a significant saving....
4
votes
0answers
51 views

Extending the causal memory model to wide-area distributed storage systems

In the seminal paper "Causal memory: definitions, implementations, and programming", distributed causal memory is defined to ensures that all the processes in a system agree on the relative ordering ...
1
vote
1answer
35 views

Why is data stored on a flash disk irretrievable if the memory chip is cracked? [closed]

All data recovery companies, regardless of skill, unanimously say that if the memory chip of a device has just a hair line crack, data recovery is impossible. Not unlikely, not expensive, but ...
1
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2answers
18k views

What is the difference between storage media and storage devices [closed]

I am having confusion whether storage media and storage devices are the same terms. I found on this yahoo answers page that ...
2
votes
3answers
214 views

Does the performance of matrix multiplication depend on the storage of the array?

Two matrices can be stored in either row major or column major order in contiguous memory. Does the time complexity of computing their multiplication vary depending on the storage scheme? That is, I ...
3
votes
1answer
502 views

Why do some filesystems have fragmentation and others don't?

I try to understand why fragmentation is a problem for NTFS and FAT but not when using inodes. In all cases, files are not necessarily stored in a contiguous fashion so I don't see the problem for the ...
2
votes
1answer
2k views

SSTF disk scheduling algorithm? What if lowest seek times are equal in either direction?

Using the Shortest-Seek-Time-First (SSTF) disk scheduling algorithm (where we select a request with a minimum seek time from the current head position), what happens if the requests in both directions ...
1
vote
1answer
485 views

Processes and Segmentation

The following problem was on my final and in Gate 2006, but I don't understand how to solve it: Different methods of memory management have different overheads: ...
2
votes
1answer
387 views

Calculate storage requirements for a data set

I have a simple problem. I can't seem to even find the right search terms to get me pointed in the direction I need to be heading. I'm writing a bunch of integers to disk. Lot's of them. Starting ...
5
votes
4answers
5k views

Is the 2nd parity bit in RAID 6 a simple calculation?

I'm trying to understand how the 2nd parity bit or byte is set in RAID 6. I'm reading a paper by H. Peter Anvin, and it goes into Galois field algebra, which is somewhat new to me. Anyway, a rep from ...
8
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0answers
63 views

Distributed Storage for Access and Preservation

My organization wants to maintain multiple copies of data in order to preserve access in the case of localized disasters as well as for the purpose of long term preservation. Are there accepted formal ...