Memory stick

Memory stick is a type of removable memory card that you connect hue computer or other piece of electronic equipment to copy and store information typically memory stick used as a storage media for a portable device in a form that can easily be removed for access by a personal computer for example in digital cameras smartphones camcorder music player or portable PlayStation etc.
The memory SD card of today storage data in gigabytes their capacity vary from 4GB 2 128 GB

Blu ray disc

Blu-ray is the successor to DVD the formats name comes from the fact that a blue laser kills the name BluRay reads from and writes to the disc rather than the red laser of DVD players a blue laser can write more data compared to read laser of diabetes as a consequence a blu-ray disc and store much more data in the same to will send the space these days Blu ray disc of capacity 25 GB 50 GB are commonly available wireless special triple layer hundred Gigabyte blue rate is already exists And Labour 128 Gigabyte version have been promise neither can be read by a normal player

Pen thumb drive flash memory

 Another kind of storage device has recently emerged it is called Flash Memory USB memory ki memory the thumb drives  or pen drives and cell phones of today use flash memory.
        What it does used to combine a well tried memory Technology called flash with the convenience of the USB connector flash is a solid state memory that is it has no moving parts unlike Magnetic storage device 9 does it make use of laser unlike optical drives.
  Instead it work in a similar way to Ram the key differences is that data is written in a flash memory even when the power is switched off

DVDs

 DVD is an optical storage device that looks the same as a compact this but is able to hold about 15 times as much information and faster it to the computer about 20 times as fast as a CD ROM a DVD also called a super density disc SD can hold up to 17 gigabytes of data for 4 hours of movie on its side.
   DVDs comes in these varieties DVD rom DVD read only memory DVD DVD recordable and DVD RW DVD writable

Compact disc CD

 The compact disc ocds are optical media the CD are relativity cheap and have a storage capacity of up to 700 MB.
   Sydney cities come in variety of foam that is CD ROM CD read only memory CDR CD record and CD RW CD rewritable

Hard disk

Hard disc the hardest Memorial story information on one or more circular platters hard disc vichar continuity spinning these rotating disc are are coated with a magnetic material and take with a space between them information is recorded on the surface of rotating this by magnetic heads as Teeny magneti spots

Floppy disk Diskette

The floppy disk disk made up of flexible material mylar where one of the oldest type of portable storage device that could store upto 1.44 MB off data but now not used in computers of today so we are not discussing in details

Storage device secondary memory device

Since primary memory hai jo Limited storage capacity and is not permanent secondary storage device are used to store large amount of data permanently there are various type of secondary device available these days.
  Some most common storage device are:-

• Hard disc
• floppy disk
• Cd-roms
• DVDs

Number of applications

The more application file and document you have open the faster your RAM will feel up even if you increase the amount of RAM memory you have in your computer it will eventually feel up during the day.
 Sonbhadra way of improving the performance of your computer is to Limit their mode of application that you have running at any one time and the amount of file document that you have open.
  As soon as you have finished using something close it down and release some of the way for uses elsewhere

Memory size computer

Recall that CPU uses a temporary memory call Ram which documents and files while you are working on them.
   so if you have it were document open and an email a website and a couple of image they are all sitting in Ram you can be sure of this because remember when you switch your computer off they will disappear RAM is volatile that is not permanently memory this can cause a problem over time because the RAM is your computer will eventually e Feel Up and your computer will appear to slow down if you want to improve your computer performance and you only have a small amount of Ram such as 512 MB or even 1GB you could add extra Ram chips