Storage Device of Computer

Types of computer Storage Devices

•          Tape

•          Backup

•          Sequential access

•          Direct access

•          PC Card

•          Miniature mobile storage media

•          Card reader

•          Smart card

•          E-money

•          Microfilm

•          Microfiche

•          What is Tape?

•          Magnetically coated plastic ribbon capable of storing large amounts of data at low cost

•          Primarily used for backup

•          How is data stored on a tape?

• •       Sequential access
• •          Reads and writes data consecutively, like music tape
• •          Unlike Direct access – used on floppy disks, Zip disks, hard disks, CDs and DVDs – which can  
•       locate particular item immediately    

•          What is a PC Card?

•          Adds capabilities to computer

•          Credit-card sized device commonly used in notebook computers

•          What is miniature mobile storage media?

•          Storage for small mobile devices

•          What are common types of miniature mobile storage media?

•          What is a card reader?

•          Reads information stored on miniature mobile storage media

•          Type of card determines type of card reader needed

•          What is a smart card?

•          Stores data on microprocessor embedded in small card

•          Input, process, output and storage capabilities

•          What are the types of smart cards?

•          Intelligent smart card contains processors and has input, process, output and storage capabilities

•          Memory card has only storage capabilities

•          What is e-money (electronic money)?

•          What are microfilm and microfiche?

•          Stores microscopic images of documents on roll or sheet of film

•          Images recorded using computer output microfilm recorder

How do life expectancies of various media compare

v  Microfilm and microfiche have longest life of any storage media

What are recommended storage devices for the Home Users?

• Internet hard drive

•          What are recommended storage devices for the Small Office / Home Office (SOHO) users?

 

•          What are recommended storage devices for the mobile users?

•          What are recommended storage devices for the Large business users?

•          What are recommended storage devices for the Power user?