Page 219 8 storage primary storage volatile storage temporary storage secondary storage nonvolatile storage permanent storage.
External storage devices of computer pdf.
In this chapter you will learn about the many types of secondary storage devices including their capabilities and limitations.
Because these storage devices can install malware inside of any firewalls set up on your pc or network you might not detect the malware until major damage has been done.
These devices are very sensitive to environmental conditions humidity and temperature as well as to external magnetic fields and need to be stored carefully.
A newer storage device is a usb flash drive which is about the size of your car key.
It is the future of computer memory storage devices.
They are not compulsory for the functioning of the computer but are useful for expanding the computer s memory.
It plugs into almost any usb port in your computer and the data is erasable.
Storage devices or ancillary storage devices.
Storage devices off line storage zip diskette hardware data storage device developed by iomega that functions like a standard 1 44 floppy drive.
The storage capacity ranges from 128 mb to 16gb and rising.
These graduated to the hard disk drive and then to a floppy disk.
Now it less popular as users needed larger storage capabilities.
Computer systems began with magnetic storage in the form of tapes yes just like a cassette or video tape.
It is more expensive than a.