Unit 1.3 - Storage Flashcards Preview

OCR GCSE 2019 COMPUTER SCIENCE > Unit 1.3 - Storage > Flashcards

Flashcards in Unit 1.3 - Storage Deck (11)
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1

Purpose of Secondary Storage

Permanent storage when device is turned off or Transferring to another device.

2

Types of - Secondary Storage

Magnetic

Solid State

Optical

3

Magnetic Storage

Capacity - High
Speed - Medium
Durability - Low
Reliability -Yes
Portability - Low
Cost - Medium

4

Solid State

Capacity - Medium
Speed - Fast
Durability - Very
Reliability - Yes
Portability - High
Cost - High

5

Optical

Capacity - Low
Speed - Slow
Durability - Low
Reliability - No
Portability - High
Cost - Low

6

Capacity

Amount of data stored

7

Speed

Read /write access to data

8

Portability

Easy to move around.

9

Durability

Resistant to damage

10

Reliability

Shelf Life of the media

11

Cost

Expense in cost per Gb