Chapter 3

Question 1

Advantages and disadvantages of magnetic tape drives

Answer 1

Advantages:
-Less expensive
-Robust
-Huge capacity
-fast data transfer

Disadvantages:
-Slow data access time
-Need 2 to update (transaction tape)
-Effected by magnetic fields

Question 2

Advantages and disadvantages of HDD’s

Answer 2

Advantages:
-Fast data transfer
-Fast access times
-Large memory capacities

Disadvantages
-Easily damaged
-Moving parts
-Noisy

Question 3

Advantages and disadvantages of portable HDD’s

Answer 3

Advantages
-Fast access and transfer rate
-Large capacity
-Can transfer data

Disadvantages
-Easily damaged
-Slower transfer rate the fixed drive

Question 4

Advantages and disadvantages of CD-R/DVD-R

Answer 4

Advantages:
-Cheaper then RW discs
-Once burned (and finalized) they become like ROM

Disadvantage:
-Can only be recorded once
-Not all players can read them

Question 5

Advantages and disadvantages of CD/DVD-RW

Answer 5

Advantages:
-Can be written over many times
-Can use different file formats
-Not as wasteful an R

Disadvantages:
-Expensive
-Possible to over write data

Question 6

Advantages and disadvantages of Blu-ray discs

Answer 6

Advantages:
-Very large capacity
-Fast access and transfer rate/speed
-Secure(encryption system)

Disadvantages:
-Expensive
-Encryption problems
-Introduction on hd

Question 7

Advantages and disadvantages of SSD’s

Answer 7

Advantages:
-More reliable
-Lighter
-Work instantly
-Low power consumption
-Runs cooler
-No moving parts
-10x access speed
-Fast data transfer speeds

Disadvantages:
-Longevity