10 Questions
What is the typical recording density for data on magnetic tape?
1600 bpi
What is the purpose of a parity bit on magnetic tape?
To ensure data integrity
How many separate bit streams or tracks are typically used to store data on magnetic tape?
9
What is the unit of data that a user's program deals with on magnetic tape?
Record
In magnetic tape storage, what does the blocking factor refer to?
The amount of data moved at a time between storage and memory
What is the main difference between tape storage and CD-ROM storage?
Tape storage uses tracks, while CD-ROM uses sectors.
Which factor contributes to determining the data capacity of a magnetic tape?
Recording density and blocking factor
How does a tape drive access data from a magnetic tape compared to a disk?
Tape drive reads an entire block at once, whereas a disk reads sector by sector.
What does the term 'tracks' refer to in the context of magnetic tape storage?
Separate bit streams containing sequences of bits
What aspect is crucial in determining the recording quality of data on magnetic tapes?
The cleanliness and alignment of the read/write head
Test your knowledge on the focusing mechanism technology that allows data to be recorded on two layers, as well as flash memory - a non-volatile computer storage chip that can be electrically erased and reprogrammed. Learn about reading the second layer in discs and the NAND type of flash memory.
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