Digital Electronics - Digital Concepts

Digital Electronics - Digital Concepts
61. X-ray, MRI, and ultrasound systems in hospitals are examples of analog systems.
  • TRUE
  • FALSE
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62. Greater accuracy and precision are possible with digital techniques.
  • TRUE
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63. With an OR gate, the output is HIGH only when both inputs are HIGH.
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64. The time interval on the leading edge of a pulse between 10% and 90% of the amplitude is the rise time.
  • TRUE
  • FALSE
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65. Telecommunications systems do not use digital techniques.
  • TRUE
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66. The real world is mainly analog.
  • TRUE
  • FALSE
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67. Binary means having two states or values.
  • TRUE
  • FALSE
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68. Four bits equal one byte.
  • TRUE
  • FALSE
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69. In a positive logic system, the logic LOW could be between 0 V and 0.8 V.
  • TRUE
  • FALSE
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70. In a binary system there are only two symbols.
  • TRUE
  • FALSE
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Digital Electronics
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