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Question 1. A hexadecimal odometer displays F 52 F. The next reading will be
  1.    F52E
  2.    G52F
  3.    F53F
  4.    F53O
Answer: Option D

Question 2. The binary code of (21.125)10 is
  1.    10101.001
  2.    10100.001
  3.    10101.010
  4.    10100.111
Answer: Option A

Question 3. A NAND gate is called a universal logic element because
  1.    It is used by everybody
  2.    Any logic function can be realized by NAND gates alone
  3.    All the minization techniques are applicable for optimum NAND gate realization
  4.    Many digital computers use NAND gates.
Answer: Option B

Question 4. Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is
  1.    TTLAS
  2.    CMOS
  3.    ECL
  4.    TTLLS
Answer: Option C

Question 5. The NAND gate is AND gate followed by ___________.
  1.    NOT gate
  2.    OR gate
  3.    AND gate
  4.    None of the above
Answer: Option A

Question 6. The NOR gate is OR gate followed by ___________.
  1.    AND gate
  2.    NAND gate
  3.    NOT gate
  4.    None of the above
Answer: Option C