Back
to top
computer science gcse ocr
Watch
Announcements
Page 1 of 1
Go to first unread
Skip to page:
is this correct for magnetic storage:
data is stored magnetically as a bit which is stored in a small area called a sector within the circular tracks
the tracks are found on the surfaces of disks called platters
each sector represents one bit- if its magnetised then it represents binary 1 and if its demagnetised then it represents binary 0
also I don't really understand how particles are involved so any help would be greatly appreciated
data is stored magnetically as a bit which is stored in a small area called a sector within the circular tracks
the tracks are found on the surfaces of disks called platters
each sector represents one bit- if its magnetised then it represents binary 1 and if its demagnetised then it represents binary 0
also I don't really understand how particles are involved so any help would be greatly appreciated
0
reply
Report
#2
We didn't study this in too much detail, but I believe each 'sector' is a slice of the disk that stores a set amount of bytes and 'tracks' refer to the rings that go around the disk. The attached image might help with this. Yes, the disk that has the data stored on it is called the 'platter' in hard drives. You're also correct in saying magnetised = 1 and demagnetised = 0. The read/write 'head' that moves over the disk can modify and read the magnetisation of the material directly under it. I'm not sure how particles are involved and can't find much information online though, are you sure this is on the syllabus?
0
reply
Report
#3
I do OCR CS and I don't think this is on the syalabus, but for extra context I would agree with the answer @idra gacw
0
reply
(Original post by Idra)
We didn't study this in too much detail, but I believe each 'sector' is a slice of the disk that stores a set amount of bytes and 'tracks' refer to the rings that go around the disk. The attached image might help with this. Yes, the disk that has the data stored on it is called the 'platter' in hard drives. You're also correct in saying magnetised = 1 and demagnetised = 0. The read/write 'head' that moves over the disk can modify and read the magnetisation of the material directly under it. I'm not sure how particles are involved and can't find much information online though, are you sure this is on the syllabus?
We didn't study this in too much detail, but I believe each 'sector' is a slice of the disk that stores a set amount of bytes and 'tracks' refer to the rings that go around the disk. The attached image might help with this. Yes, the disk that has the data stored on it is called the 'platter' in hard drives. You're also correct in saying magnetised = 1 and demagnetised = 0. The read/write 'head' that moves over the disk can modify and read the magnetisation of the material directly under it. I'm not sure how particles are involved and can't find much information online though, are you sure this is on the syllabus?
I think the one thing thats confusing me is how the data is stored am I correct in saying the data is stored as a collection of bits or am I completely wrong.
0
reply
(Original post by king1234567890)
I do OCR CS and I don't think this is on the syalabus, but for extra context I would agree with the answer @idra gacw
I do OCR CS and I don't think this is on the syalabus, but for extra context I would agree with the answer @idra gacw
(Original post by grace10101)
thanks so much for your help
I think the one thing thats confusing me is how the data is stored am I correct in saying the data is stored as a collection of bits or am I completely wrong.
thanks so much for your help
I think the one thing thats confusing me is how the data is stored am I correct in saying the data is stored as a collection of bits or am I completely wrong.
Last edited by grace10101; 10 months ago
0
reply
Report
#6
No problem. But I would recommend learning this because it will impress the examiner as not many people will learn it
0
reply
(Original post by king1234567890)
No problem. But I would recommend learning this because it will impress the examiner as not many people will learn it
No problem. But I would recommend learning this because it will impress the examiner as not many people will learn it
0
reply
Report
#8
(Original post by grace10101)
thanks so much for your help
I think the one thing thats confusing me is how the data is stored am I correct in saying the data is stored as a collection of bits or am I completely wrong.
thanks so much for your help
I think the one thing thats confusing me is how the data is stored am I correct in saying the data is stored as a collection of bits or am I completely wrong.
0
reply
X
Page 1 of 1
Go to first unread
Skip to page:
Quick Reply
