Year 8 ICT Internet Security Internet and Information Safety Lesson on Backup
PLTS (Personal Learning and Thinking Skills): Learning Objectives Be aware of the risks involved when using a computer. To know what third thing you should do to prevent a virus attack on your PC. Keywords : Backup PLTS (Personal Learning and Thinking Skills): To develop Independent enquirers – by completing the AVP exercise and answering the questions. Effective participators – by focussing on the task andcompleting it in the time given. Creative learners – by reflecting on how many ways you can keep your files safe.
How to prevent a virus attack Make sure that you have anti-virus software on your computer. Get the anti-virus software to scan your hard disk. If a virus is found, the software will either remove it or quarantine it.
Task 1: Keeping Security up-to-date (8 min) On your computer, it is important to keep security up-to-date. You do this by setting your security settings. Let’s have a play! Check how safe the system is: Start My Computer (T:) Shared ICT ICT Year 8 Unit - Internet Safety AVP Complete the All AVP Worksheet.doc Use the Security Centre to answer the questions. We will review in 8 minutes.
How to prevent a virus attack 2 - Firewalls A firewall examines all traffic between two networks to see if it meets certain criteria. A firewall filters both inbound and outbound traffic. Anyone who is responsible for a private network that is connected to a public network needs firewall protection. Furthermore, anyone who connects as a single computer to the Internet via modem should have personal firewall software. Examples of firewalls: Norton, McAfee, AVG…
How to prevent a virus attack 3 - Backing Up What is backing up? Why should you do it? What can you backup onto? Do you, honestly backup?
Why is it important to backup? What can you backup onto? Level 5+ File Sizes Why is it important to backup? What can you backup onto? File Example Size Equivalent to Word processed document 700 KB An mp3 file 4000KB (4MB) 6 documents A DVD video 4000MB (4GB) 1000 mp3’s
Device Average Capacity Typical Use Floppy Disk 1.44MB Home / Not used Zip Disk 100MB Home / University CD-R 750MB Home / Work CD-RW DVD-R 3.5GB Movie Production / Backup DVD-RW USB Storage 8MB – 16GB Flash Memory Hard Disk Drive 2GB – 500GB Magnetic Tape 4GB – 520GB Work / Professionals BD (Blue Ray DVD) 27GB WOW! HD-DVD U15GB - 45GB WOW!! NEW: Holographic Storage 300GB WOWEEE! Coming in 3 years: Advanced Holographic Storage 1TB 250,000 mp3’s on one disk! (a quarter of a million songs)
Today’s Main Task: Fact Sheet Production Create a 1 page fact sheet in a program of your choice: LEVEL 3/4: Your fact sheet must tell me what a virus is, what a firewall is and what backing up is. Audience: Year 7 LEVEL 5: As Level 4, but you must also explain how you keep virus software up-to-date and what the dangers of not doing so are. Audience: Year 8 LEVEL 6: Create a report, explaining everything from today’s lesson in detail, as well as discussing what problems viruses cause. ALL: Suitable graphics should be used. Save in your Internet folder.
Keywords Virus: Program that interferes with the computer by deleting the system files. System files: Essential instructions that tell the computer how to work. Firewall: Program that protects your computer from uncontrolled access from the Internet. Back up: Security copy of the files or documents created and kept in the PC.
What should you do to keep your files safe from a virus attack? Plenary What should you do to keep your files safe from a virus attack?