/ fkbirchbotany88's Library/ Notes/ A pal of Poor Jun Jun secretly obtained a couple of 'learning materials' from a Japanese convenience retailer some days ago, saying that he would let Poor Jun have a look at the sentiment. . .
A pal of Poor Jun Jun secretly obtained a couple of 'learning materials' from a Japanese convenience retailer some days ago, saying that he would let Poor Jun have a look at the sentiment. . .
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People who're so upright like a terrible judge, naturally, chose to criticize their buddies harshly, and then reluctantly turned more than the whole afternoon to look briefly.
Unexpectedly, the bad reviewer even discovered a CD that has not been seen for many years on the back in the 'learning materials'!
This. . .
Ca n’ free software who has brought back thousands of miles in the other side from the ocean, then just have a look at what is on the CD ~
But when the negative reviewer took the CD and wanted to visit the laptop. . .
Poor reviewer located that he had utilized a desktop laptop for various years, but he did not set up an optical drive! ?
Poor critique of Jun's pc
Unrelenting terrible reviewer located the laptop of other colleagues in the organization and wanted to locate a host with an optical drive. But for http://www.diskgetor.com/cf-card/raw-cf-card-recovery-software.htm , dozens of computer systems couldn't find a personal computer with an optical drive? ?
So bad comment Jun cannot enable but fall into contemplation: Why do most computer systems now do not have an optical drive?
As we all know, quite a few thin and light notebooks cancel the optical drive for lightweight considerations.
Mr. Qiao has constantly been pessimistic in regards to the improvement of optical drives.
When Apple released a new generation of MacBook Pro with Retina show at WWDC on June 12, 2012, it straight reduce off the optical drive. Mr. Qiao believes that the U disk will replace the optical drive.
Mr. Jobs's judgment around the future is very correct, however the notebook is excusable to cancel the optical drive for thinness, but what is confusing is: Why does the substantial desktop host on the terrible reviewer's desk also not have an optical drive?
To discover the answer to this query, 1st of all, the buddies should fully grasp what the optical drive is for?
Though this answer is definitely an idiot, is not the optical drive made use of to read the CD. . .
The disc could contain a game, a movie or perhaps some songs. Consequently, the which means of your existence with the optical disc is usually a way of storing data, making use of the optical disc as a medium plus the optical drive to study.
Along with a dozen years ago, optical discs have been essentially the most well-liked data transmission media. The principle purpose is due to the fact the cost of flash memory has been quite higher at that time, and also the optical disc is often a really fantastic choice for storing information mainly because the technology is mature and affordable.
Nevertheless, optical discs have many irreparable disadvantages, for instance becoming inconvenient to carry and simply broken; plus the fatal shortcomings of most discs that are irreversible in reading and writing.
This also starts in the working principle from the CD:
Presumably all friends and good friends realize that the details from the laptop is stored in binary, which can be 0 and 1 in plain words, in order that soon after power is turned on, the information may be expressed by high and low voltages.
As the name implies, the optical disc is a carrier that utilizes light to attain the function of reading and writing information, and there are actually two various states to express 0 and 1.
You can find a single track around the disc, and there are high and low points on the track, exactly where the protrusions indicate 1, and the depressions indicate 0.
These orbital paths spiral on the disc like a mosquito coil.
Nonetheless, these tracks are considerably thinner than mosquito coils, using a width of only microns, about 200 instances thinner than human hair, and closely arranged.
In the event the track of a CD is straightened, it can be about five kilometers long. . .
How are these tracks created?
The readable side of the disc is produced of specific materials. When the information would be to be stored inside the disc, a laser is fired at the disc surface by the machine to burn the organic dye on the disc and burn out little holes. This The approach is called burning.
Commonly speaking, this process is irreversible. Immediately after the disc is burned once, the information can't be erased or re-recorded, but the dye on the erasable disc (CD-RW) is often changed back after burning.
The way to read the optical drive?
Pretty easy, the optical drive emits a laser towards the disc surface, and the reflection capabilities in the protrusions and depressions around the disc are different. The photoelectric sensor inside the optical drive can read the reflected light to distinguish among 0 and 1.
Rotate the disc and move the laser head sideways to ensure that the info around the track may be read constantly.
The functioning principle of optical discs has basically caused the capacity of optical discs to become fixed. Having said that, soon after a great number of years of development, optical discs have already been divided into a lot of forms, and their capacities are also extremely distinct.
The kinds of optical discs are arranged according to capacity, and may be divided into CD, DVD, BD (Blu-ray Disc), and UHDBD (Ultra High-Definition Blu-ray Disc).
But it is all 9012, and now the computer systems of the poor buddies already possess a superior medium for storing and transferring data-the U disk.
Compared with the optical disc, the positive aspects in the U disk are also obvious: 1st of all, the U disk comes with a manage chip, and upgrading the capacity of your U disk doesn't demand you to consistently upgrade the USB interface. Plus the U disk only needs to be connected towards the laptop through the USB interface, which is a lot smaller sized than the optical drive.
The optical disc is different. In the event the optical disc is upgraded, the technology from the optical drive ought to be upgraded. It might match the signal carried by the optical disc, so the value of your external optical drive on Taobao also ranges from tens to hundreds.
Also, with the advancement of flash memory particle technology, the capacity of U disk is also steadily rising.
Now friends are going to search on Taobao, plus a dozens of U disks begin with 64G.
And as hard disk and flash memory technologies enhance more quickly, the price per G of U disk is decreasing. . .
The traits of your basic U disk are: modest size, light weight, and re-writeable. And this also occurred to produce up for the shortcomings with the disc.
http://www.diskgetor.com/cf-card/sandisk-sd-card-file-not-showing.htm that gave the optical drive and CD a fatal blow was World-wide-web transmission.
The reputation of 100M broadband has produced data transmission break by way of the physical medium. In lots of cases, close friends and friends download software and watch motion pictures, go straight for the Net, and surf.
Extra and much more information transfers no longer need compact discs or perhaps USB flash drives. . .
Not surprisingly, CDs and CD drives were not useless in 9012.
It may be mentioned that optical disc storage data is merely the ideal tool for facing the finish with the globe. Considering that the disc is made of a plastic sheet, its material qualities determine that it's waterproof and impact-resistant. The finish in the globe will surely be accompanied by a flood, and your USB flash drive and really hard drive will all be completed by then. However the CD is just not afraid of those.
Essentially the most cowhide is that the optical disc uses optical storage, which can resist electromagnetic interference along with the shock wave of the atomic bomb nuclear war! !
For that reason, some departments that attach fantastic significance to info security, for instance banks and state agencies, will use fairly safer optical discs and optical drives after they decide to transmit information.
Advances in technology have eliminated some reasonably backward technologies, but these technologies have blossomed in other markets. Technologies isn't certainly superior or bad, just check out how you use them.
'Take off your pants and put them on!'
Unexpectedly, the bad reviewer even discovered a CD that has not been seen for many years on the back in the 'learning materials'!
This. . .
Ca n’ free software who has brought back thousands of miles in the other side from the ocean, then just have a look at what is on the CD ~
But when the negative reviewer took the CD and wanted to visit the laptop. . .
Poor reviewer located that he had utilized a desktop laptop for various years, but he did not set up an optical drive! ?
Poor critique of Jun's pc
Unrelenting terrible reviewer located the laptop of other colleagues in the organization and wanted to locate a host with an optical drive. But for http://www.diskgetor.com/cf-card/raw-cf-card-recovery-software.htm , dozens of computer systems couldn't find a personal computer with an optical drive? ?
So bad comment Jun cannot enable but fall into contemplation: Why do most computer systems now do not have an optical drive?
As we all know, quite a few thin and light notebooks cancel the optical drive for lightweight considerations.
Mr. Qiao has constantly been pessimistic in regards to the improvement of optical drives.
When Apple released a new generation of MacBook Pro with Retina show at WWDC on June 12, 2012, it straight reduce off the optical drive. Mr. Qiao believes that the U disk will replace the optical drive.
Mr. Jobs's judgment around the future is very correct, however the notebook is excusable to cancel the optical drive for thinness, but what is confusing is: Why does the substantial desktop host on the terrible reviewer's desk also not have an optical drive?
To discover the answer to this query, 1st of all, the buddies should fully grasp what the optical drive is for?
Though this answer is definitely an idiot, is not the optical drive made use of to read the CD. . .
The disc could contain a game, a movie or perhaps some songs. Consequently, the which means of your existence with the optical disc is usually a way of storing data, making use of the optical disc as a medium plus the optical drive to study.
Along with a dozen years ago, optical discs have been essentially the most well-liked data transmission media. The principle purpose is due to the fact the cost of flash memory has been quite higher at that time, and also the optical disc is often a really fantastic choice for storing information mainly because the technology is mature and affordable.
Nevertheless, optical discs have many irreparable disadvantages, for instance becoming inconvenient to carry and simply broken; plus the fatal shortcomings of most discs that are irreversible in reading and writing.
This also starts in the working principle from the CD:
Presumably all friends and good friends realize that the details from the laptop is stored in binary, which can be 0 and 1 in plain words, in order that soon after power is turned on, the information may be expressed by high and low voltages.
As the name implies, the optical disc is a carrier that utilizes light to attain the function of reading and writing information, and there are actually two various states to express 0 and 1.
You can find a single track around the disc, and there are high and low points on the track, exactly where the protrusions indicate 1, and the depressions indicate 0.
These orbital paths spiral on the disc like a mosquito coil.
Nonetheless, these tracks are considerably thinner than mosquito coils, using a width of only microns, about 200 instances thinner than human hair, and closely arranged.
In the event the track of a CD is straightened, it can be about five kilometers long. . .
How are these tracks created?
The readable side of the disc is produced of specific materials. When the information would be to be stored inside the disc, a laser is fired at the disc surface by the machine to burn the organic dye on the disc and burn out little holes. This The approach is called burning.
Commonly speaking, this process is irreversible. Immediately after the disc is burned once, the information can't be erased or re-recorded, but the dye on the erasable disc (CD-RW) is often changed back after burning.
The way to read the optical drive?
Pretty easy, the optical drive emits a laser towards the disc surface, and the reflection capabilities in the protrusions and depressions around the disc are different. The photoelectric sensor inside the optical drive can read the reflected light to distinguish among 0 and 1.
Rotate the disc and move the laser head sideways to ensure that the info around the track may be read constantly.
The functioning principle of optical discs has basically caused the capacity of optical discs to become fixed. Having said that, soon after a great number of years of development, optical discs have already been divided into a lot of forms, and their capacities are also extremely distinct.
The kinds of optical discs are arranged according to capacity, and may be divided into CD, DVD, BD (Blu-ray Disc), and UHDBD (Ultra High-Definition Blu-ray Disc).
But it is all 9012, and now the computer systems of the poor buddies already possess a superior medium for storing and transferring data-the U disk.
Compared with the optical disc, the positive aspects in the U disk are also obvious: 1st of all, the U disk comes with a manage chip, and upgrading the capacity of your U disk doesn't demand you to consistently upgrade the USB interface. Plus the U disk only needs to be connected towards the laptop through the USB interface, which is a lot smaller sized than the optical drive.
The optical disc is different. In the event the optical disc is upgraded, the technology from the optical drive ought to be upgraded. It might match the signal carried by the optical disc, so the value of your external optical drive on Taobao also ranges from tens to hundreds.
Also, with the advancement of flash memory particle technology, the capacity of U disk is also steadily rising.
Now friends are going to search on Taobao, plus a dozens of U disks begin with 64G.
And as hard disk and flash memory technologies enhance more quickly, the price per G of U disk is decreasing. . .
The traits of your basic U disk are: modest size, light weight, and re-writeable. And this also occurred to produce up for the shortcomings with the disc.
http://www.diskgetor.com/cf-card/sandisk-sd-card-file-not-showing.htm that gave the optical drive and CD a fatal blow was World-wide-web transmission.
The reputation of 100M broadband has produced data transmission break by way of the physical medium. In lots of cases, close friends and friends download software and watch motion pictures, go straight for the Net, and surf.
Extra and much more information transfers no longer need compact discs or perhaps USB flash drives. . .
Not surprisingly, CDs and CD drives were not useless in 9012.
It may be mentioned that optical disc storage data is merely the ideal tool for facing the finish with the globe. Considering that the disc is made of a plastic sheet, its material qualities determine that it's waterproof and impact-resistant. The finish in the globe will surely be accompanied by a flood, and your USB flash drive and really hard drive will all be completed by then. However the CD is just not afraid of those.
Essentially the most cowhide is that the optical disc uses optical storage, which can resist electromagnetic interference along with the shock wave of the atomic bomb nuclear war! !
For that reason, some departments that attach fantastic significance to info security, for instance banks and state agencies, will use fairly safer optical discs and optical drives after they decide to transmit information.
Advances in technology have eliminated some reasonably backward technologies, but these technologies have blossomed in other markets. Technologies isn't certainly superior or bad, just check out how you use them.
'Take off your pants and put them on!'
