1. Robert Crawford, MBA West Middle School
Introduction to computers and Information Technology Chapter 34, Using Computers Responsibly Lesson 34-2, Protecting Your Data
Robert Crawford, MBA
West Middle School

2. UNIT O BJECTIVES Essential Question Explain how to prevent data loss
Describe how to use antivirus programs
Discuss ways of backing up data
Essential Question
What can we do to protect our data?

3. KEY TERMS Antivirus program Full back-up Incremental back-up
Power surge
Uninterruptable power supply (UPS)
Not in Text:
Increment
Decrement

4. Protecting your computer (467 – 468)
Antivirus programs
Examines Files
Delete
Quarantine
Frequently updated
Simple anti-virus rules
Install an anti-virus program
Keep it updated
Check all downloads
Scan
Check discs and USB drives you get from others or use on public systems

5. Protecting your computer (468)
Firewalls
Help block unauthorized access
Windows comes with one
(it’s close to worthless)
Many antivirus programs
come with one

6. Protecting your Computer Data (468)
Viruses are not the only problem that computers face
Sometimes people blame viruses when they cannot find the cause of a computer failure.
Hard drives sometimes fail, or “crash”
SSD’s & USB drives fail frequently

7. Protecting your Computer Data (468)
Backing up your data
The safest way is to use an external (to the computer) device.
Full back-up
Incremental back-ups
Increment
Decrement {
To increase, or decrease, by one

8. Protecting your Computer Data (469)
Power Related Problems
Fluctuations
Outages
Surges
Surge Protector
Uninterruptable Power Supply (UPS)
Protects computers from power related problems
Contains
Battery
Battery Charger
Inverter

9. UNIT O BJECTIVES Antivirus program Full back-up Incremental back-up
Explain how to prevent data loss
Describe how to use antivirus programs
Discuss ways of backing up data
Antivirus program
Full back-up
Incremental back-up
Power surge
Uninterruptable power supply (UPS)
Increment
Decrement