Which one of the following is an example of secondary memory?
RAM
Hard disk
Data
None of these
Who developed Floppy disk?
Apple
Microsoft
Suntech
IBM
Which is the main memory of a computer?
Primary memory
Secondary memory
Random access memory
What is the storage capacity of 3½" floppies?
1.44KB, 2.88KB
1.44MB, 2.88MB
2.5MB, 4MB
Which storage device is known as laser disk or optic disk?
Compact disc
Floppy disk
What is the thickness of a CD?
12mm
20m
10mm
25mm
Which one has large storage capacity?
Pen drive
Which material is used to make floppy disk?
Mylar
Polycarbonate
Plastic
What does CD stands for?
Computer Disc
Compact Disc
Compiler Disc
Which one is used to make the CD plate?
Magnetic tape
Poly carbonate