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1 byte equals:

• 2 bits
• 8 bits
• 10 bits
• 16 bits

1 KB equals:

• 1000 bits
• 1024 bits
• 1000 bytes
• 1024 bytes

Given the following computer configuration: 2GHz - 120GB – 2GB, what does 2GB mean?

• Speed of micro-processor
• Capacity of hard disk
• Capacity of memory RAM
• Speed of memory ROM

To secure the data on laptops, which method should you use?

• Back up all important data into another place and use password when logging in
• Encrypt all data in the laptop
• Put the laptop in a locked place
• All of these methods

Which one is a good password strategy?

• Less than 6 letters
• Similar to users’ biography (date of birth, hometown)
• Never tell passwords to anyone
• Change passwords after a long-time usage

An example of computer software:

• floppy disk
• operating system
• CD disk
• all of these

You received an email containing an attachment file which you do not recognize, what would you do to ensure safety?

• Open this file to check its type
• Forward this email to another person who you think can recognize the file
• Scan this file by an anti-virus program
• Save this file to your hard disk and then open it

Which statement is True?

• computer virus is not spread via shared computers
• computer virus is not spread when copying files via floppy disks, CD disks
• computer virus is not spread when uploading files via the Internet
• computer virus is spread via the Internet

In computer literature, MB means:

• measurement unit of screen resolution
• measurement unit of volume
• measurement unit of processing speed
• measurement unit of storing capacity

You received an email containing an attachment file which you do not recognize, what would you do to ensure safety?

• Open this file to check its type
• Forward this email to another person who you think can recognize the file
• Scan this file by an anti-virus program
• Save this file to your hard disk and then open it