Reading Assignment: Hexadecimal Numbers

Bitcoin Programming 101
#21
  1. Decimal numbers (base 10) range from 0-9, HEX numbers (base 16) range from 0-F.
  2. A,B,C,D,E,F.
  3. No difference!
  4. 0x22
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#22

Hex uses 0 to 15 digits and decimal uses 0 to 9 digits and letters abcdef.
A.B.C.D.E.F.
There is no difference because there is no standard for lower or upper case letters.
22

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#23
  1. What is the difference between hexadecimal and decimal numbers?
    Hexadecimal is a base-16 number system, decimal a base- 10 number system
  2. Which are the extra “digits” we get in hexadecimal?
  • additional digits for A,B,C,D,E,F for 10,11,12,13,14,15
  1. What is the difference between using lower case or upper case letters?
  • no difference
  1. What is hexadecimal for 34?
    22
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#24
  1. What is the difference between hexadecimal and decimal numbers?
    Hexadecimal is base 16, while decimal is base 10. Each digit is multiplied by a power of 16 instead of 10.
  2. Which are the extra “digits” we get in hexadecimal?
    Extra digits are 10-15, A-F
  3. What is the difference between using lower case or upper case letters?
    none
  4. What is hexadecimal for 34? (Use your head!)
    divide 34 by 16 = 2 R 2 = 22
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#25

  • What is the difference between hexadecimal and decimal numbers?
    Decimal is base 10 (0-9) . Hexadecimal is base 16 (0-9 and ABCDEF).

  • Which are the extra “digits” we get in hexadecimal?
    ABCDEF.

  • What is the difference between using lower case or upper case letters?
    No difference.

  • What is hexadecimal for 34?
    22

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#26

1.) Hexadecimal is a base 16 counting system, whereas decimal numbers is base 10. This allows Hexadecimal numerics to express larger numbers in a more concise format.

2.) The extra "digits we get in hexadecimal are A, B, C, D, E, and F which correspond with 10, 11, 12, 13, 14, and 15.

3.) There is no significant difference between using upper or lower case letters in hexadecimal system.

4.) Hexadecimal for 34 in decimal counting would be 22!

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#27

Hexadecimal is base 16. Decimals are base 10.
ABCDEF or abcdef
The is no difference. It can be used as lower or upper case.
34 = 16^0 16^1 = 2X16^0 + 2X16^1 = 22

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#28
  1. What is the difference between hexadecimal and decimal numbers?

Hexadecimal is a base 16 number system as apposed to Decimal which is a base 10 number system.

  1. Which are the extra “digits” we get in hexadecimal?

A, B, C, D, E, F

  1. What is the difference between using lower case or upper case letters?

“There isn’t much of a standard in terms of upper versus lower case. A3F is the same number as a3f is the same number as A3f .”

  1. What is hexadecimal for 34? (Use your head!)

22

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#29

Answer 1 = Hexadecimal is based on 16 different characters Decimal is only based on 10 characters (012346789)

Answer 2 = Hexadezimal has six additional character (abcdef)

Answer 3 = There is no difference between Upper and lower case letters.

Answer 4 = The Hexadecimal Number for the Decimal Number 34 is 22
(34 - 12 = 22)
(two cycles of going through all hex numbers : 6*2=12)

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#30
  • What is the difference between hexadecimal and decimal numbers?

Hexadecimal is in base 16 utilizing characters 0-F . Decimal is in base 10 it uses 0-9 only 10 total characters.

  • Which are the extra “digits” we get in hexadecimal?

A B C D E F

  • What is the difference between using lower case or upper case letters?

No difference

  • What is hexadecimal for 34?

22

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#31
  1. There are 6 extra digits with hexadecimal code.
  2. The extra digits are the letters A-F.
  3. There is no difference.
  4. 22
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#32

What is the difference between hexadecimal and decimal numbers?
decimal have base 10 (0…9) and hex have base 16 (0…9,A…F)

Which are the extra “digits” we get in hexadecimal?
A, B, C, D, E, F

What is the difference between using lower case or upper case letters?
no difference, both works

What is hexadecimal for 34? (Use your head!)
22

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#33
  1. What is the difference between hexadecimal and decimal numbers?
    In decimal you count with decades. In hexadecimal you count with sixteen.
  2. Which are the extra “digits” we get in hexadecimal?
    A, B, C, D, E, F
  3. What is the difference between using lower case or upper case letters?
    There is no difference but usaly we right with uppercase
  4. What is hexadecimal for 34? (Use your head!)
    34%16=2
    34-16*2=2
    dec 34 == hex 22
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#34

Hex has numbers and decimal number
With the letters hex represented they are interchangeable
#22

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#35
  1. Hexadiecimal uses 16 digits in its set and decimal uses 10 digits in its set.
  2. A, B, C, D, E, F
  3. There is no difference between using lower case or upper case letters in hexadiecimal.
  4. 22
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#36

  1. What is the difference between hexadecimal and decimal numbers?
    Decimal is base 10, while hexa is 16 base.

    • Decimal range: 0-9
    • Hexadecimal range: 0-9 + A-F(10-15)

  2. Which are the extra “digits” we get in hexadecimal?
    The extra digits are A-F which represent 10-15

  3. What is the difference between using lower case or upper case letters?
    No difference

  4. What is hexadecimal for 34?
    34=00100010 ->0x22

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#37

1.Decimal use 10 steps to shift to the next digit while hexadecimal uses 16 steps to the next

2.A, B, C, D and E
3. it doesn’t make any difference
4. 22

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#38
  • What is the difference between hexadecimal and decimal numbers?
    hexa decimaal 0123456789ABCDEF decimal 0123456789
  • Which are the extra “digits” we get in hexadecimal?
    A B C D E F
  • What is the difference between using lower case or upper case letters?
    No difference
  • What is hexadecimal for 34?
    34/16 = 2 and rest 2 ==> hex 22
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#39

Reading Assignment: Hexadecimal Numbers

What is the difference between hexadecimal and decimal numbers?

The difference between hexadecimal and decimal is that decimal is using a numbering system which it in base 10 and hexadecimal is using a numbering system which is to the base 16

Which are the extra “digits” we get in hexadecimal?

The extra digits we get in hexadecimal are the characters A, B, C, D, E and F

What is the difference between using lower case or upper case letters?

Because there is no standard between uppercase and lowercase characters in hexadecimal 1A is considered the same as 1a

What is hexadecimal for 34?

The hexadecimal for 34 is 22

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#40

  1. Hexadecimal uses a 16 digit base while decimal uses only 10 digits.

  2. abcdef

  3. no difference

  4. 22

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