Digital Electronics Question with Answer


11. Which of the following is the most widely used alphanumeric code for computer input and output?

  1. Gray
  2. ASCII
  3. Parity
  4. EBCDIC

12. Which is typically the longest?

  1. Bit
  2. Byte
  3. Nibble
  4. Word

13. The BCD number for decimal 347 is ________.

  1. 1100 1011 1000
  2. 0011 0100 0111
  3. 0011 0100 0001
  4. 1100 1011 0110

14. The sum of the two BCD numbers, 0011 + 0011, is ________.

  1. 110
  2. 111
  3. 11
  4. 1100

15. Convert the binary number 1100 to Gray code.

  1. 11
  2. 1010
  3. 1001
  4. 1100

16. Convert binary 111111110010 to hexadecimal.

  1. EE2
  2. 2FE
  3. FD2
  4. FF2

17. When used with an IC, what does the term "QUAD" indicate?

  1. 2 circuits
  2. 4 circuits
  3. 6 circuits
  4. 8 circuits1

18. Convert decimal 64 to binary.

  1. 1010010
  2. 1000000
  3. 110110
  4. 1001000

19. Convert Hexadecimal 8B3F to binary

  1. 75647
  2. 10010
  3. 1.0100011111E+15
  4. 1.00010110011E+15

20. Convert the Gray code 1011 to binary.

  1. 1011
  2. 1010
  3. 1101
  4. 1111

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