Which of the following is not a storage device?
Mother board
Pen drive
Floppy
Compact Disc
How the computer datas are stored in memory?
Tonnes
Milliseconds
Bytes
Millimeters
Who developed Floppy disk?
Apple
Microsoft
Suntech
IBM
Which storage device is known as laser disk or optic disk?
Compact disc
Floppy disk
Hard disk
None of these
Which device is used for reading and writing the information on disks?
Drives
Peripherals
IC's
Which one is used to make the CD plate?
Magnetic tape
Poly carbonate
Plastic
Which is the main memory of a computer?
Primary memory
Secondary memory
Random access memory
What is the thickness of a CD?
12mm
20m
10mm
25mm
Which material is used to make floppy disk?
Mylar
Polycarbonate
Which type of memory uses magnetic disk?
Main memory
Both (1) and (2)
