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Floppy Disk Drives
Floppy disks are an outdated form of magnetic data storage. Questions about floppy disk drives and floppy disks themselves belong here.
768 Questions
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How much storage does a floppy disk hold?
The capacity of the most ubiquitous floppy is 1.44 MB. Floppies in other capacities have also been made.
Explain why you would format a floppy disk?
Theoretically - it erases all the data on the disc - However...
On a floppy disk, there is a 'reference track' which holds details of each file on the disc (name, start point, size and end point) When you format a disc - the computer ONLY erases the details on this track. Without the reference track information, there is no way for the computer to locate a file.
Why floppy disks are not often used for data base?
A database to function effectively needs high speed access to stored data.
Floppy disks CAN be sued for storing a simple database, but there are some severe limitations:
- slow access speeds means slow database response, especially if the computer cannot hold the entire database in local memory for sorting, etc.
- severely limited storage space may limit the database formats available, as many newer database have considerable data storage overhead
- constant read/write operations can wear floppy disks causing them to fail fairly quickly
- data cannot easily be shared with more than one user
Older databases, such as Paradox, would happily use floppy disks for storage. Problems are likely to occur if the same was attempted with a modern database, such as MySQL.
Write a short note on magnetic disk?
Magnetic tape is a medium for magnetic recording, made of a thin magnetizable coating on a long, narrow strip of plastic. It was developed in Germany, based on magnetic wire recording. Devices that record and play back audio and video using magnetic tape are tape recorders and video tape recorders. A device that stores computer data on magnetic tape is a tape drive.
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What is magnetic disk storage capacity?
Tape remains a viable alternative to disk in some situations due to its lower cost per bit. This is a large advantage when dealing with large amounts of data. Though the areal density of tape is lower than for disk drives, the available surface area on a tape is far greater. The highest capacity tape media are generally on the same order as the largest available disk drives (about 5 TB in 2011). Tape has historically offered enough advantage in cost over disk storage to make it a viable product, particularly for backup, where media removability is necessary.
How much data can be stored on a 3 and 1 2 inch floppy disk?
5.25" floppy disks were available in a large number of storage capacities. These include 110 KB, 360 KB (DD), 720 KB (QD), and 1.2 MB (HD). There were also a couple non-standard formats that went all the way up to 100 MB.
Why are floppy disks used for temporary storage?
Data can be easily loss when floppy disc is placed near a source of magnet or radio wave interference.
What will the protoplanetary disks eventually become?
That depends what the disk is forming round. If it is a large black hole it will form a quasar, if it is round a star, it will form planets (a solar system).
Where can you download pictures?
If question is meant to be aimed at a basic level, you could simply go onto the image search engine: http://images.google.com/imghp?
from there search the wanted image, then click on it...maximis...then save as...and then wherever you want to save on your computer!
What is pen drive as processing device?
No. Its is just a storage device. All the processing is done my the CPU.
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How many volts for a floppy disk drive?
Drives which are 5.25 inch, 3.5 inch, or 3 inch use +5 volts and (for the 5.25 inch drives) +12 volts. 8-inch drives use +5V, +24V, and in many cases 110VAC 60Hz for the spindle motors.
What is the capacity of a 3.5 floppy disc?
A few years ago, before there were CDs and USB flashdrives, data to be stored on removable media was stored on "floppies" the most recent of these was square three and a half inches on an edge (hence the 3.5 name) about one tenth of an inch thick stiff plastic case surrounding a flimsy (hence the name "floppy") magnetically covered mylar disc. These were most commonly formatted to hold 1.44Mb (there are a huge number of formats, sizes etc. for removable media look it up on Wikipedia)
When did laser disks come out?
Laserdisc technology, using a transparent disc, was invented by David Paul Gregg in 1958 (and patented in 1961 and 1990).
Does CDs have a large storage capacities?
Formerly they had, but nowadays when compared to pendrives they have a small storage capacity, do not surpassing 700 MB. The tendency of storing devices is directed to pendrives due to their inumerous advantages.
How much does a 3.5 floppy disk hold?
A standard 3.5" floppy disk holds significantly less than a gigabyte. As a fraction, a floppy holds about 1/711 of a gigabyte.
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FDD is an acronym for Floppy Disk Drive. For a short time, external floppy drives were available with special-purpose connectors. This was quickly superseded by USB ports.
What is the capacity of a hard disk?
this changes with time. currently average storage of a hard disk is about 250 GB when purchasing a new computer. The highest amount of space I have seen on a new hard drive is 1.5 TB (that's 1024 GB * 1.5) and the smallest I have seen is down to a few MB (1024 MB = 1 GB) but that's for a very very old hard disk.
To write to a floppy disk is it necessary for the write-protect notch to be open or closed?
For you to write to a disk, the write-protect notch must be closed.
