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04 - Decimal to Binary

 1. Converting a Decimal number into Binary just requires simple mathematics. You need to find the corresponding numbers that would add up to the Decimal number. Look at the following example. Is it True(Correct) or False?
decimaltobinary_demo.png

  FALSE

  TRUE

 2. Look at the question below and select the correct answer (a binary number) from the given options.
Binary3_00010101.png

  Answer: 00010110

  Answer: 11101010

  Answer: 11110011

  Answer: 10101010

 3. What is 8 (decimal number) in Binary, represented in 4 bits.

  Answer: 0100

  Answer: 1111

  Answer: 1011

  Answer: 1000

 4. Represent the number 6 in Binary (in four bits)

  Answer: 0110

  Answer: 1110

  Answer: 1011

  Answer: 1001

 5. Represent the number 0 (in Decimal) in Binary (in four bits)

  Answer: 1000

  Answer: This cannot be done

  Answer: 0000

  Answer: 1111

 6. Represent the number 129 in Binary

  111111111

  1

  10000001

  100000111

 7. Represent the number 33 in Binary using eight bits
128     64    32   16   8   4    2    1
=========================
?       ?       ?      ?     ?   ?     ?    ?

  Answer: 00100001

  Answer: 10101010

  Answer: 11001100

  Answer: 11000000

 8. How would you represent the number 2 billion in binary using eight bits?

  The answer would be: 11110000

  02billion

  The answer would be 11111111

  It cannot be done in just eight bits

 9. Convert 133 (Decimal) into a Binary number.

  10000101

  11111001

  11121221

  10001110

 10. How would you represent 1 (Decimal) in Binary in just 1 bit?

  1 in Binary using just 1 bit would be 0

  1 in Binary using just 1 bit would be A

  1 in Binary using just 1 bit would just be 1

  This cannot be done