The document discusses different types of computer storage, including primary storage (main memory), secondary storage (hard disks), tertiary storage (tape drives and optical discs for large archives), and offline storage (removable media like USB drives). It also covers cloud storage benefits like accessibility and reliability. Storage trends mentioned include solid state drives, cloud services, USB flash drives, and hard disk drives. Trade-offs between devices like read/write speeds and storage capacities are discussed.

1. Storage trends
and trade-offs
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2. What is Storage?
⬡ Holds data, instructions,
and information needed for
future use.
⬡ Storage may also be
referred to as computer
data storage or electronic
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

3. Types of Storage
There are four type
of storage:
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

4. 1. Primary Storage
⬡ Also known as main
memory.
⬡ Main memory is directly or
indirectly to the central
processing unit via
memory bus.
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

5. 2. Secondary Storage
⬡ It is not directly accessible
by the CPU.
⬡ Example: Hard disk
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

6. 3. Tertiary Storage
⬡ Typically it involves a robotic
mechanism which will mount (insert)
and dismount removable mass
storage media into a storage device.
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

7. ⬡ This is primarily useful for
extraordinarily large data
stores, accessed without
human operators.
⬡ It is a comprehensive
computer storage system
that is usually very slow,DR. ROSEMARIE S. GUIRRE | FOR BPC USED ONLY
IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

8. so it is usually used to
archive data that is not
accessed frequently.
⬡ Examples: Magnetic Tape
and Optical Disc
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

9. 4. Off-line Storage
⬡ Also known as
disconnected or removable
storage
⬡ Is a computer data storage
on a medium or a device
that is not under the controlDR. ROSEMARIE S. GUIRRE | FOR BPC USED ONLY
IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

10. ⬡ It must be inserted or
connected by a human
operator before a computer
can access it again.
⬡ Examples: USB Flash
Drive
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

11. Other Example of Storage
Devices
Cloud Storage
⬡ means "the storage of data online in
the cloud," wherein a data is stored in
and accessible from multiple
distributed and connected resources
that comprise a cloud.DR. ROSEMARIE S. GUIRRE | FOR BPC USED ONLY
IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

12. ⬡ Cloud storage can provide
the benefits of greater
accessibility and reliability;
rapid deployment; strong
protection for data backup,
archival and disaster
recovery purposes.
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

13. ⬡ Example: Google Drive,
OneDrive
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14. STORAGE
TRENDS
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15. Solid State Drive SSD
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16. Cloud Storage
1. iDrive
2. pCloud
3. Zoolz
4. Degoo
5. Mega cloud storage
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17. USB Flash Drive
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18. Hard Disk Drive HDD
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19. Trade offs
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20. LENOVO
G50
06-15-2014
ACER
ASPIRE 5
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

21. LENOVO
G50
ACER
ASPIRE 5
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22. LENOVO
G50
ACER
ASPIRE 5
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23. ACER
ASPIRE 5
LENOVO
G50
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

24. ACER
ASPIRE 5
LENOVO
G50
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

25. ACER
ASPIRE 5
LENOVO
G50
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26. Thanks
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27. QUIZ
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28. 1. Holds data, instructions,
and information needed for
future use.
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

29. 2-5. Four Types of Storage
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IS-ICT 223: INFORMATION AND COMMUNICATION TECHNOLOGY

30. 6-9. Give at least four example
of Cloud Storage
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31. 10. What is the name of our
beautiful Instructor in ICT?
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