From how many years magnetic tape is used for storing data?
a) 40 years
b) 50 years
c) 60 years
d) 70 years
What are the functions of magnetic tape?
a) data collection
b) backup storage
c) archiving
d) all of these
What is the old type of magnetic storage devices?
a) floppy disk
b) zip disk
c) both a & b
d) none of these
In which year floppy and zip disks are popular storage disks?
a) early 1970
b) early 1980
c) early 1990
d) early 2000
When did hard drives are started for storing data?
a) 1950s
b) 1960s
c) 1970s
d) 1980s
What is the speed of spun in hard disk drive for high performance?
a) 4000 rpm
b) 4100 rpm
c) 4200 rpm
d) 4300 rpm
Explanation: rpm: revolution per minute
