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Encoder and Decoder Encoding, Decoding
Encoder ENCODER- a digital circuit that produces a binary output code depending on which of its inputs are activated.
Decoder DECODER- a digital circuit that converts an input binary code into a single numeric output.
ENCODERS AND DECODERS ONLY ONE INPUT ACTIVATED AT A TIME BINARY CODE INPUT ONLY ONE OUTPUT ACTIVATED AT A TIME BINARY CODE OUTPUT
THE 8421 BCD CODE BCD stands for Binary-Coded Decimal. A BCD number is a four-bit binary group that represents one of the ten decimal digits 0 through 9.  	 Example: Decimal number 4926   4         9        2        6 8421 BCD coded number0100  10010010  0110
3 ELECTRONIC ENCODER -  DECIMAL TO BCD BCD output Decimal input 0 0 0 0 0 1 0 1 0 1 1 1 0 0 1 1 Decimal to BCD Encoder 7 5 0 ,[object Object]
This encoder translates from decimal input to BCD output.,[object Object]
10 line to 4 line Encoder
4 line to 10 line Decoder
DECODERS:  BCD TO  7-SEGMENT DECODER/DRIVER Decimal output LED BCD input 0 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 BCD-to- 7-Segment Decoder/ Driver ,[object Object]
 This decoder translates from BCD to decimal.
 Decimals are shown on an 7-segment LED display.
 This IC also drives the 7-segment LED display.,[object Object]
TEST
TEST
TEST ANSWER THE FOLLOWING QUESTIONS WITH ONE OR MORE OF THESE WORDS: MUX, DEMUX, ENCODER, DECODER. A. Has more inputs than outputs. ENCODER, MUX B. Uses select inputs. MUX, DEMUX C. Can be used in parallel-to-serial conversion. MUX D. Produces a binary code at its output. ENCODER

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Encoder and decoder

  • 1. Encoder and Decoder Encoding, Decoding
  • 2. Encoder ENCODER- a digital circuit that produces a binary output code depending on which of its inputs are activated.
  • 3. Decoder DECODER- a digital circuit that converts an input binary code into a single numeric output.
  • 4. ENCODERS AND DECODERS ONLY ONE INPUT ACTIVATED AT A TIME BINARY CODE INPUT ONLY ONE OUTPUT ACTIVATED AT A TIME BINARY CODE OUTPUT
  • 5. THE 8421 BCD CODE BCD stands for Binary-Coded Decimal. A BCD number is a four-bit binary group that represents one of the ten decimal digits 0 through 9. Example: Decimal number 4926 4 9 2 6 8421 BCD coded number0100 10010010 0110
  • 6.
  • 7.
  • 8.
  • 9. 10 line to 4 line Encoder
  • 10.
  • 11. 4 line to 10 line Decoder
  • 12.
  • 13. This decoder translates from BCD to decimal.
  • 14. Decimals are shown on an 7-segment LED display.
  • 15.
  • 16.
  • 17.
  • 18. TEST
  • 19. TEST
  • 20. TEST ANSWER THE FOLLOWING QUESTIONS WITH ONE OR MORE OF THESE WORDS: MUX, DEMUX, ENCODER, DECODER. A. Has more inputs than outputs. ENCODER, MUX B. Uses select inputs. MUX, DEMUX C. Can be used in parallel-to-serial conversion. MUX D. Produces a binary code at its output. ENCODER
  • 21. E. Only one of its outputs is activated at one time. DEMUX, DECODER F. Used to route input signals to one of several outputs. MUX G. Used to generate arbitrary logic functions. MUX, DEMUX H. 3 line-to-8 line or binary to octal. DECODER MUX. I. Data Selectors are also
  • 22. The End ….. Thank you ….