1. Number Systems Today, I’ll be giving an introduction to:
The Binary Number System
…as compared to Decimal
…counting in binary
…in a hardware context
…number base systems
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2. Decimal Number System 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 values
Day-to-day use
Used by people, e.g. Pounds and Pence
0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 values
Hundreds Tens Units
(Base 10 system)
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3. Binary Number System 0 and 1 values only (base two system)
Used by computer hardware and software
0 and 1 values only (base two system)
Binary Count…
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4. Binary Count (Up to Fifteen).
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5. Binary Count (Up to Fifteen).
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6. Binary Count (Up to Fifteen).
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7. Binary Count (Up to Fifteen).
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8. Binary Count (Up to Fifteen).
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9. Binary Count (Up to Fifteen).
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10. Binary Count (Up to Fifteen).
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11. Binary Count (Up to Fifteen).
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12. Binary Count (Up to Fifteen).
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13. Binary Count (Up to Fifteen).
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14. Binary Count (Up to Fifteen).
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15. Binary Count (Up to Fifteen).
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16. Binary Count (Up to Fifteen).
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17. Binary Count (Up to Fifteen).
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18. Binary Count (Up to Fifteen).
= 15
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19. Computer Hardware
Binary DigiTs (BITs) can be represented electronically:
… 0 (no signal)
… 1 (signal)
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20. In Summary…
Decimal number system is used day-to-day, e.g. metric system
Binary is used by computer hardware and software
Binary is very simple…
… easy as 1 or 0!
… so easy, a kettle could do it!
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