Secondary Storage (Optical, Magnetic, Solid-State & Cloud)

  Рет қаралды 101,872

MrBrownCS

MrBrownCS

Күн бұрын

Explaining and evaluating optical, magnetic, solid state and cloud storage.
Made primarily for OCR GCSE Computer Science (J277) Paper 1.
If this video was useful, please like it and subscribe, it really helps! Also, if you use an ad blocker, whitelisting my channel is very much appreciated!
These videos will always be free but if you'd consider a donation I'd be extremely grateful - www.paypal.me/computerscience... or ko-fi.com/mrbrowncs.
Link to my TES shop where I upload my teacher resources (including the PowerPoints): www.tes.com/teaching-resource...
For any questions or enquiries, please email me using the address given on my channel page.

Пікірлер: 110
@charlottebruce8198
@charlottebruce8198 5 жыл бұрын
wow, this is so much better then my lessons!! thank you so much for making these videos (:
@user-sf1td2rq4g
@user-sf1td2rq4g 5 жыл бұрын
Next Monday guys!!! edit: TOMORROW GUYS!
@dp-gc3nt
@dp-gc3nt 5 жыл бұрын
Sissi 😬😬😬
@annafarrell8423
@annafarrell8423 5 жыл бұрын
Fuck
@joshjm3
@joshjm3 5 жыл бұрын
lol LETS FUCKING GO
@rexynator_ytb
@rexynator_ytb 4 жыл бұрын
😬😬😬
@brightmusic8770
@brightmusic8770 4 жыл бұрын
How did it go?
@jazzediceberg1175
@jazzediceberg1175 4 жыл бұрын
Optical storage - 1:49 Magnetic storage - 3:26 Solid-state storage - 5:10 Cloud storage - 6:51
@Projects-zy3jv
@Projects-zy3jv 4 жыл бұрын
you are actually so good at explaining im so surprised someone can explain something this well. thank you so much
@elizas1921
@elizas1921 6 жыл бұрын
Amazing videos, I’ve already watched a bunch in prep for thurs! You’ve helped me thru the school year, thank you!!
@rmsgaming9577
@rmsgaming9577 5 жыл бұрын
life saver my g. I've got my GCSE computer science tomorrow.
@arayasimms1607
@arayasimms1607 3 жыл бұрын
how'd it go?
@lbell2009
@lbell2009 Ай бұрын
this is a very helpful video, thankyou!
@hansgopro1
@hansgopro1 3 жыл бұрын
i’ve always struggled with this topic i just don’t think my teacher explained it well, however your video is great and clear thank you so much i’ll subscribe and like
@syperhanic7560
@syperhanic7560 5 жыл бұрын
I really hope these papers are gonna be the same difficulty as the mocks we’ve done, I’ve found them quite easy so far so hoping for don’t throw in a curveball
@toby3594
@toby3594 5 жыл бұрын
Alluvium most people got 4s and 5s in the mocks, I personally found it quite hard, so I hope it will be easier
@syperhanic7560
@syperhanic7560 5 жыл бұрын
Toby O'Connor how good is your teacher? The main reason why we’re doing so well as a class is because our teacher is literally the best in the school by a mile
@toby3594
@toby3594 5 жыл бұрын
Alluvium I mean our teachers alright but it could be because we didn’t acctually do a proper mock, it was like some pixl papers
@syperhanic7560
@syperhanic7560 5 жыл бұрын
Toby O'Connor pixl papers? We use them in maths sometimes. That’s deffo not a proper mock. It might be because computer science is such a new gcse that there are basically no practice papers for schools. Good luck in the prem next season btw
@jeremycai5870
@jeremycai5870 5 жыл бұрын
My exams tomorrow good luck to you guys
@gracechinyamukwakwa1572
@gracechinyamukwakwa1572 3 жыл бұрын
wow, I found this video really helpful ..thank you
@tokisky46
@tokisky46 5 жыл бұрын
Good Luck everyone and thank you Computer Science Tutor
@hawke1793
@hawke1793 5 жыл бұрын
Anyone here right now because last minute squad
@phytr1001
@phytr1001 5 жыл бұрын
me lol good luck man
@44bor
@44bor 4 жыл бұрын
how was it man?
@kozumakenme3838
@kozumakenme3838 3 жыл бұрын
Linked from a teacher. I’ve always found it weird how nobody else from my class comments but maybe I’m the weird one idk
@jaib5850
@jaib5850 2 жыл бұрын
so so helpful thank you
@soulless_hm9058
@soulless_hm9058 5 жыл бұрын
exam is next week oof
@ThayefK
@ThayefK 5 жыл бұрын
Hasty_H we got this. Stay strong 💪
@RoninxDD
@RoninxDD 5 жыл бұрын
ezpzlemonsqueezy
@jackwalker5162
@jackwalker5162 5 жыл бұрын
tomoorow
@damilolaadeniji1434
@damilolaadeniji1434 5 жыл бұрын
Hasty_H today 😬
@damilolaadeniji1434
@damilolaadeniji1434 5 жыл бұрын
Hasty_H good luck everyone
@jakepaterson6857
@jakepaterson6857 5 жыл бұрын
Thank you Sir
@salmaj5551
@salmaj5551 4 жыл бұрын
thank you
@bozzy0162
@bozzy0162 6 жыл бұрын
Can the magnetic disk be interfered by electromagnets? Love the video, very informative!
@ComputerScienceTutor
@ComputerScienceTutor 6 жыл бұрын
Yes, would probably void the warranty though 😀
@bozzy0162
@bozzy0162 6 жыл бұрын
Cheers! Good luck everyone!!
@bentotech5161
@bentotech5161 5 жыл бұрын
hy,i like your videos
@jio3522
@jio3522 6 жыл бұрын
Hi, is it possible to say that magnetic storage can be more prone to mechanical wear due to there being moving parts, great video .
@ComputerScienceTutor
@ComputerScienceTutor 6 жыл бұрын
Yes precisely, that's a good way of putting it
@drrobotnikmeanbeanma
@drrobotnikmeanbeanma 4 жыл бұрын
Can you play the Magneto disk on a cd player like of you have music downloaded to the cd ?????
@babikiromer5699
@babikiromer5699 6 жыл бұрын
Hi, i keep commenting on your videos, thankyou for your replies in the other videos, they are really really helpful, im just nervous because my exam is on monday. Anyways, what do you mean when you say binary data is stored as variations of height on the disk's surface, i dont quite get it.
@ComputerScienceTutor
@ComputerScienceTutor 6 жыл бұрын
For optical, it means the surface of the disk is being changed so that light is reflected differently. Representing binary is all about finding two things to represent the 0s and 1s, and in this case, it's just dents in a disk
@babikiromer5699
@babikiromer5699 6 жыл бұрын
Oh, so the direction of the light reflection determines what binary value is assigned?
@ComputerScienceTutor
@ComputerScienceTutor 6 жыл бұрын
Kind of the other way round - the laser will burn the 'pit' into the disk, say representing a 0, then when it reads that data the light will not be reflected directly up (like if it was flat, representing 1), so it can tell it's representing 0 based on how the light reflects
@babikiromer5699
@babikiromer5699 6 жыл бұрын
Ohhh, i get it now, so if i explain this in an exam question asking me to explain the way in which optical storage works, am i eligible for full marks?
@akuma1995
@akuma1995 4 жыл бұрын
Computer Science is by far the hardest subject I've ever done. Definitely not doing it for A-Level
@Shiba9870
@Shiba9870 4 жыл бұрын
m.irving _ I’m doing it for A level
@denisa749
@denisa749 3 жыл бұрын
Yep me too one of my biggest regrets picking it
@Anonimka338
@Anonimka338 Жыл бұрын
@@Shiba9870 what was your result ?
@Shiba9870
@Shiba9870 Жыл бұрын
@@Anonimka338 Getting it on 18th August
@Shiba9870
@Shiba9870 Жыл бұрын
@@denisa749 I didn't regret picking CS. I regretted picking Physics
@noxchi_kz
@noxchi_kz 2 жыл бұрын
Hey what is said at 0:14 ? :)
@samul6055
@samul6055 6 жыл бұрын
How is flash memory linked to SSDs? and are flash drives and USBs a type of solid state?
@ComputerScienceTutor
@ComputerScienceTutor 6 жыл бұрын
The terms are slightly ambiguous, but flash memory is the overarching term - solid-state is a flash memory technology. It's hard to answer your second question because they are all based on the same idea, that non-mechanical circuits are used to store the data
@samul6055
@samul6055 6 жыл бұрын
thanks
@samul6055
@samul6055 6 жыл бұрын
You deserve a nobel peace prize
@bozzy0162
@bozzy0162 6 жыл бұрын
Maybe after Trump?
@Aaron-ej1up
@Aaron-ej1up 5 жыл бұрын
Good luck lads
@fallenout4times438
@fallenout4times438 6 жыл бұрын
Hey! Does it matter if we use disc or disk, or is there a big difference?
@ComputerScienceTutor
@ComputerScienceTutor 6 жыл бұрын
No, doesn't matter 😃
@HDKidt
@HDKidt 6 жыл бұрын
Fallen Out 4 Times j
@saimasaim3704
@saimasaim3704 5 жыл бұрын
Yes It Does, Term Disc Refers To Optical Storage Device Such As CD However, Disk Is Used For Magnetic Storage Device Such As Floppy Or Hard Disk. Otherwise, You Can Check On Google.
@thenextbigthing7268
@thenextbigthing7268 3 жыл бұрын
So have I got all 4 of these or? In my pc I mean
@ComputerScienceTutor
@ComputerScienceTutor 3 жыл бұрын
Probably not (and not cloud of course, although you may use it), but many computers use a mix of solid state and magnetic.
@tarunium_
@tarunium_ Ай бұрын
i got this ye
@joojok72
@joojok72 3 жыл бұрын
better than govender
@syedbaqirraza1446
@syedbaqirraza1446 3 жыл бұрын
i have mocks tomorrow :(
@doingstudylol320
@doingstudylol320 5 жыл бұрын
what do you mean by reliability
@socrazy7558
@socrazy7558 5 жыл бұрын
1:20
@isaacraja2082
@isaacraja2082 3 жыл бұрын
Here in 2021, watching this vid to save my cs grade 😂😭
@omarkhlaiwi3409
@omarkhlaiwi3409 5 жыл бұрын
35 min left I still didn't start studying
@rexynator_ytb
@rexynator_ytb 4 жыл бұрын
:/
@ketchurself7979
@ketchurself7979 5 жыл бұрын
You guys can bet this is going to come up as a 4 marker.
@raisin4406
@raisin4406 3 жыл бұрын
aaand it did :) - oct/nov 2020 variant 2
@phytr1001
@phytr1001 5 жыл бұрын
good luck guys, in exactly 1hr and 7 minutes we will be sitting this exam ahhh
@Jxhsxn
@Jxhsxn Жыл бұрын
how did the exam go? did these videos really help ik this was 3 years ago lol but 😭
@xeno2243
@xeno2243 Жыл бұрын
@@Jxhsxn we in the same spot
@davidmorgan5581
@davidmorgan5581 3 жыл бұрын
HI
@gerryrsmt
@gerryrsmt 5 жыл бұрын
Bruh
@notoriousphoenix5193
@notoriousphoenix5193 5 жыл бұрын
6 Hours 46 Mins
@jarsooba2125
@jarsooba2125 2 жыл бұрын
My exam is today XP
@lizzr-xk9nf
@lizzr-xk9nf Ай бұрын
anyone here for last minute revision
@crinjcow6090
@crinjcow6090 Ай бұрын
I forgot I did computer science
@joelcox8285
@joelcox8285 5 жыл бұрын
last last minute revision ay? 2 hours till its on
@SweetSinger789
@SweetSinger789 5 жыл бұрын
Hey XD Me! I haven't revised much, hoping these videos will save me
@Lunar-zs2hp
@Lunar-zs2hp Жыл бұрын
Hi Ali
@mroliveboi6018
@mroliveboi6018 Жыл бұрын
Hello Josh
@Lunar-zs2hp
@Lunar-zs2hp Жыл бұрын
@@mroliveboi6018 hey there how are you doing today
@mroliveboi6018
@mroliveboi6018 Жыл бұрын
@@Lunar-zs2hp salutations i am doing fantastic today how are you today
@coderecker-lr7io
@coderecker-lr7io 3 ай бұрын
@@mroliveboi6018 Im good what about you Ali
@illia_Telep
@illia_Telep Ай бұрын
@@coderecker-lr7ioI’m good, thanks, what about you?
@HIT_.
@HIT_. 2 жыл бұрын
Awooo
@user-sf1td2rq4g
@user-sf1td2rq4g 5 жыл бұрын
PAPER 2 THIS YEAR WAS DISGUSTING
@jessicrr
@jessicrr 3 жыл бұрын
wrong video
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