COMPUTER SCIENCE AND ENGINEERING
SYSTEM SOFTWARE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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slow access speeds
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fragile and easy to break
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very expensive
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not portable
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Detailed explanation-1: -Disadvantages of the optical disk: The main disadvantages have cost both for the drive and the disks. It is not quite as easy or as fast to copy an optical disk as it is to the software and hardware for writing disks. More complicated drive mechanism. Need careful handling.
Detailed explanation-2: -Optical storage: Blu-ray disk More expensive than DVDs. Requires a Blu-ray player. Can lose data when scratched.
Detailed explanation-3: -Although optical discs are one of the most recent audiovisual technologies, they are extremely vulnerable to obsolescence. Digital obsolescence may be more dramatic and catastrophic than analog obsolescence due to a number of factors: The hardware to read the disc may become obsolete.
Detailed explanation-4: -Hard drives are prone to scratches because they have a moving read/write head, and this can make parts of files unreadable. It is significantly slower to access data stored on a hard drive than on a solid state disk because the hard drive has moving parts, such as the read/write head and the rotating platters.