CS50 Introduction by David Malan
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Questions and Answers

What week are the students currently in according to the speaker?

  • Week 10
  • Week 7
  • Week 8
  • Week 9 (correct)

How do computer scientists typically start counting weeks?

  • From zero (correct)
  • From the end
  • From the middle
  • From one

What is depicted on the screen during the presentation?

  • Light bulbs
  • Binary numbers
  • On and off switches
  • Zeros and ones (correct)

What is the focus of today's class according to the speaker?

<p>Broadly applicable topics (A)</p> Signup and view all the answers

How many characters can be encoded in the pattern described by the light bulbs according to the speaker?

<p>Up to 8 characters (A)</p> Signup and view all the answers

What is the name of the course being introduced by David Malan?

<p>CS50 (D)</p> Signup and view all the answers

What is the primary issue discussed regarding passwords?

<p>Humans tend to choose weak and easily guessable passwords (A)</p> Signup and view all the answers

Which of the following is not listed as one of the most commonly used passwords in 2021?

<p>letmein (A)</p> Signup and view all the answers

What does the text imply about the password 'qwerty'?

<p>It is a weak password because it represents the top left row of keys on a US keyboard (B)</p> Signup and view all the answers

Based on the information provided, what can be inferred about using the same password across multiple accounts?

<p>It is a bad practice that increases the risk of account breaches (B)</p> Signup and view all the answers

Which of the following statements is not true according to the text?

<p>Using a password that is commonly used by others is a good security practice (D)</p> Signup and view all the answers

Which of the following is not a reason why commonly used passwords are considered weak?

<p>They are difficult for humans to remember (D)</p> Signup and view all the answers

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