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Frequently Asked Questions

Thumbwheel Switch Topic: Binary-coded Decimal

 

FAQ No. FAQ02228

 

Question

 

What is binary-coded decimal?
 


Answer

Binary-coded decimal (BCD) uses binary to express each digit of a decimal number.

 

Examples:

 

Hexadecimal

Binary-coded hexadecimal

1

2

4

8

0

0

0

0

0

1

1

0

0

0

2

0

1

0

0

3

1

1

0

0

4

0

0

1

0

5

1

0

1

0

6

0

1

1

0

7

1

1

1

0

8

0

0

0

1

9

1

0

0

1

 

Display on Thumbwheel Switch

 

Dial

Output

0

1

2

3

4

5

6

7

8

9


 

 

Other Thumbwheel Switch FAQs

 Do the End Caps come included with the Switch?

 What are Switches with a Component-adding Provision?