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NUMBER SYSTEMS
AMOGH CHADHA VII-F
TYPES OF NUMBER SYSTEMS
BINARY NUMBER SYSTEM
 The binary number system uses only
two digits: 0 and 1. The numbers in
this system have a base of 2. Digits 0
and 1 are called bits and 8 bits
together make a byte. The data in
computers is stored in terms of bits
and bytes. The binary number system
does not deal with other numbers
such as 2,3,4,5 and so on. For
example: 100012, 1111012,
10101012 are some examples of
numbers in the binary number
system.

OCTAL NUMBER SYSTEM
 The octal number system uses
eight digits: 0,1,2,3,4,5,6 and 7 with
the base of 8. The advantage of
this system is that it has lesser
digits when compared to several
other systems, hence, there would
be fewer computational errors.
Digits like 8 and 9 are not included
in the octal number system. Just as
the binary, the octal number
system is used in minicomputers
but with digits from 0 to 7. For
example: 358, 238, 1418 are some
examples of numbers in the octal
number system.
DECIMAL NUMBER SYSTEM
 The decimal number system uses
ten digits: 0,1,2,3,4,5,6,7,8 and 9
with the base number as 10. The
decimal number system is the
system that we generally use to
represent numbers in real life. If any
number is represented without a
base, it means that its base is 10.
For example: 72310, 3210, 425710 are
some examples of numbers in the
decimal number system.

HEXADECIMAL NUMBER SYSTEM
 The hexadecimal number system uses
sixteen digits/alphabets: 0,1,2,3,4,5,6,7,8,9
and A,B,C,D,E,F with the base number as
16. Here, A-F of the hexadecimal system
means the numbers 10-15 of the decimal
number system respectively. This system
is used in computers to reduce the large-
sized strings of the binary system. For
example: 7B316, 6F16, 4B2A16 are some
examples of numbers in the hexadecimal
number system.
THANK YOU

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Number Systems.pptx

  • 2. TYPES OF NUMBER SYSTEMS
  • 3. BINARY NUMBER SYSTEM  The binary number system uses only two digits: 0 and 1. The numbers in this system have a base of 2. Digits 0 and 1 are called bits and 8 bits together make a byte. The data in computers is stored in terms of bits and bytes. The binary number system does not deal with other numbers such as 2,3,4,5 and so on. For example: 100012, 1111012, 10101012 are some examples of numbers in the binary number system. 
  • 4. OCTAL NUMBER SYSTEM  The octal number system uses eight digits: 0,1,2,3,4,5,6 and 7 with the base of 8. The advantage of this system is that it has lesser digits when compared to several other systems, hence, there would be fewer computational errors. Digits like 8 and 9 are not included in the octal number system. Just as the binary, the octal number system is used in minicomputers but with digits from 0 to 7. For example: 358, 238, 1418 are some examples of numbers in the octal number system.
  • 5. DECIMAL NUMBER SYSTEM  The decimal number system uses ten digits: 0,1,2,3,4,5,6,7,8 and 9 with the base number as 10. The decimal number system is the system that we generally use to represent numbers in real life. If any number is represented without a base, it means that its base is 10. For example: 72310, 3210, 425710 are some examples of numbers in the decimal number system. 
  • 6. HEXADECIMAL NUMBER SYSTEM  The hexadecimal number system uses sixteen digits/alphabets: 0,1,2,3,4,5,6,7,8,9 and A,B,C,D,E,F with the base number as 16. Here, A-F of the hexadecimal system means the numbers 10-15 of the decimal number system respectively. This system is used in computers to reduce the large- sized strings of the binary system. For example: 7B316, 6F16, 4B2A16 are some examples of numbers in the hexadecimal number system.