Week 1 – Introduction to IT

Technical support fundamentals coursera quiz answers week 1

Binary

1. How many possible values can we have with the 8 bits in a byte?

  • 256
  • 127
  • 144
  • 8

 

2. What is the highest decimal value a byte can represent?

  • 1
  • 256
  • 255
  • Any number

 

3. Why did UTF-8 replace the ASCII character-encoding standard?

  • UTF-8 only uses 128 values.
  • UTF-8 can store a character in more than one byte.
  • ASCII can store a character in more than one byte.
  • ASCII can store emojis.

 

4. What is 10101010 in decimal format? Please use this Binary Table to find the answer.

  • 48
  • 170
  • 200
  • 160

 

5. What is 45 in binary form? Please use this Binary Table to find the answer.

  • 01001001
  • 00101101
  • 10000010
  • 00111011

 

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Devendra Kumar

Project Management Apprentice at Google

This Post Has 2 Comments

  1. Himanshu R. Mistry Reply

    What’s a critical aspect of working as an IT support professional?

    In this question the correct answer is (the human element)

  2. Ali Reply

    Hello sir can you give solution of How to Count in Binary grand quiz ?

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