Security Precautions and Program Translation

Which of these will detect syntax errors in a high level language program?

• Interpreter

• Compiler

• Testing

• The Operating System

Which of these will detect logic errors in a high level language program?

• Interpreter

• Compiler

• Testing

• The Operating System

Select the characteristics of Interpreters

• Translate high level language into machine code

• Translates code line by line

• Translates code each time the program is run

• Translates code all at once

• Saves the machine code version of the program

Select the characteristics of Compilers

• Translate high level language into machine code

• Translates code line by line

• Translates code each time the program is run

• Translates code all at once

• Saves the machine code version of the program

Machine code is made up of...

• 0s and 1s

• ASCII characters

• Mnemonics

• English-like words

Which of these is made up of English-like words

• High level language

• Lowe level language

• Binary

• Machine Code

Which of these is better at stopping someone hacking into your computer

• Firewall

• Antivirus Software

• Encryption

• Delete your browsing history

What is encryption?

• Scrambling data into a coded form so that if it is intercepted it can't be understood

• Unscrambling data that is in a coded form

• Updating your operating system

• The method that a firewall uses to check incoming traffic

What does a firewall do?

• Check incoming connections and block any that seem suspicious

• Scan your devices for viruses

• Scramble your data into a coded form

• Update your operating system to fix any vulnerabilities

How do you know that data being sent to a website is going to be encrypted?

• Padlock in the address bar

• https at the beginning of the URL

• You have an up to date virus checker

• You have a firewall installed