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Cylinder-head-sector, also known as CHS, was an early method for giving addresses to each physical block of data on a hard disk drive. In the case of floppy drives, for which the same diskette medium can be low-level formatted to different capacities, this is still true. Although CHS values no longer have a direct physical relationship to the data stored on disks, pseudo CHS values (which can be translated by disk electronics or software) are still being used by many utility programs
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ECHS mode is used for drives less than?
8GB
Explain Speed mode torque mode in variable speed drives in detail?
Torque mode in variable speed drives is where the drive adjusts its torque according to the input. The speed/velocity mode is where the input is used to control the motor's RPM.
What is the future of Magnetic Computer Storage?
As flash drives are developed more they will be used less and less
What are the advantages of gear drives over belt drives?
Belt drives can be used when the distance between two shafts(for transmitting power) is large and are relatively cheaper than gear drives.
What is greater than and less than in Excel?
The > is used for greater than. The < is used for less than.
Is a hard disk rewritable and able to be used again and again?
Yes, most hard drives are rewritable. SSD drives can be rewritten to less times than conventional drives, but that is still many times. The OS deletes from hard drives and makes new files all the time. If the hard disk was not reusable, then everyone would be buying them more often, and they would be more easily accessible from the outside of the computer.
What is the difference between a transistor used as a switch and an amplifier?
A transistor used as a switch is operated in saturated mode, where the ratio of base-emitter current over collector-emitter current is far more than hFe, or beta gain. The transistor is either fully on or fully off in this mode. A transistor used as an amplifier is operated in linear mode, where the ratio of base-emitter current over collector-emitter current is equal to or less than hFe, or beta gain. The transistor is partially on in this mode, and is operating as a current controlled current sink.
What is the less than sign used for?
The less than sign is used to show one item is less equal that another item. For example four is less than six and is written as 4
Which mode BIOS must be used for 10 GB hard drives?
If your 10GB hard disk is not detected, you dont need to change any bios mode. The motherboard will have problem detecting the hard drive. Search for your bios updates to get your hard drive detected.
Why choke used in dc drives?
choke is used before drives to reduce the source supply fluctuation problem , which will effect drives
What is the role of jumper in installation of hard disk?
Jumpers are used with the IDE (aka P-ATA) drives (hard disks or other drives like DVD recorder) . There can be two drives on the same cable with this norm, a master and a slave. The controller of the disk need to know if it is supposed to be the master or the slave. Jumpers are set to this purpose. There is a special mode called "cable select" where the position on the cable determines the mode (disk at the end of the cable is master, disk in the middle of the cable is slave)
What image resolution and color mode should be used for print and how is this different than what should be used for web?
web resolution : 72 pixels/inch color mode : RGB 8bit
