System Storage

Question 1

Why is Secondary storage needed?

Answer 1

When a computer is turned off it will store file e.g photos for the long term. (RAM cannot do this)

Question 2

Name the 3 types of storage devices?

Answer 2

1. Magnetic (HDD) - Moving parts used to save data to magnetic disk
2. Optical (DVD) - Laser written data on a disc
3. Solid State (SSD) - No moving parts or Magnets used.

Question 3

PROS and CONS of Magnetic?

Answer 3

• Largest Capacity
• Quite Cheap
• Slower Access Speeds
• Not that portable
• Quite Reliable/ not that durable (due to moving parts)

Question 4

PROS and CONS of Solid State?

Answer 4

• Smaller Capacity
• Most expensive
• Fast access speeds
• More reliable/durable, no moving parts
• NOT portable

Question 5

PROS and CONS of Optical?

Answer 5

• Smallest Capacity
• Cheapest
• Slowest access speed
• Very Portable
• Not too durable