study for pen-drive
A CD-ROM drive.
The hard disk drive stores information on the computer. It has read and write capabilities and the information stays there when the computer is turned off.
Planocentric replaced the cycloid drive. The Planocentric involute gear also known as a wobble mechanism, used for speed reducing mechanism as an ingenious mechanism.
You cant really fix a "hard drive crash". In the data recovery business that term is used to describe a particular problem when the mechanism inside the hard drive "crashes" or scratches the surface of the platters/disks where the data is stored. There are other types of problems that can be corrected when a hard drive fails but this is not one of them. http://www.interdatarecovery.com/index.php/5-steps-to-recovery
The following device are used to store data permanently.These are Hard Disk Drive(HDD),Compact Disc(CD/DVD),Floppy Disk,Zip and Tape.
Memory cache stores frequently used instructions and data on a computer. Cache memory is stored on a memory chip in an area of the RAM.
A data dictionary is a repository that contains definitions of data processes, data flows, data stores, and data elements used in an organization. It helps to provide a common understanding of data terminologies and structures within a dataset or system. Data dictionaries are often used to maintain consistency and clarity in data management and analysis processes.
Hard drive. Data is pulled from the drive and stored into the memory for quick access.
A floppy drive or a CD drive or a DVD drive.
Bridge protocol data unit BPDU
A hard drive data recovery port is called just that. It is a port used to recover lost data from a hard drive prior to it being overwritten by the drive. Do not attempt to do this alone unless you are a professional as you will likely lose your data.
to save failes and data in it