A. Hard disk
B. Floppy disk
C. Magnetic Tapes
D. CD

A. LASER
B. Photographic film
C. Magnet
D. CDs

A. CD Rom
B. Magnetic disk
C. RAM
D. LASER holographic storage

A. Write once read many
B. Writeable on ROM
C. Writer of Random Memory
D. Writer of Read only Memory

A. CD ROMS
B. CDW
C. CD-R
D. CD Writer

A. High storage capacity
B. Can stores sounds
C. Writing and reading mechanism are same
D. Writing and reading mechanism are different

A. The dots which it prints outs
B. The row and column range of the carriage
C. Name of the inventor
D. Printing speed

A. Plotter
B. LASER printer
C. Line printer
D. Dot matrix

A. Text
B. Character
C. Graphics
D. Noise

A. LASER technology
B. Electrostatic
C. Thermal Energy
D. Nozzle spray