What are the modes used in keyboard modes?

2 years ago
Microprocessors
  • Scanned Keyboard mode with 2Key Lockout
  • Scanned keyboard with N-Key Rollover.
  • Scanned Keyboard Special Error Mode.
  • Scanned Matrix Mode.
0
Rusma Khadka
Rusma Khadka
Sep 10, 2022
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27. Explain the operating mode0 of 8051 serial ports?

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30. Write a program to swap two numbers using8051?

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35. Write about CALL statement in 8051?

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37. Write a program to perform multiplication of 2 Nos using 8051?

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43. What is the purpose of control word written to control register in 8255?

44. What is a control word?

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47. Define scan counter?

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52. What is the various programmed data transfer method?

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56. List the features of 8051 microcontroller?

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58. Name the five interrupt sources of 8051?

59. Compare Microprocessor and Microcontroller.

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61. Name the special functions registers available in 8051

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63. What are the applications of microcontroller

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115. What is assembler in microprocessor?

116. What is 8 bit microprocessor?

117. What is 16 bit microprocessor?

118. What is macro in microprocessor?

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