BIT103 Digital Logics

Digital Logics: most repeated questions

Questions that have come up in more than one paper, matched by what they ask rather than exact wording. Most repeated first.

  1. 3×Asked in 2080, 2079, 2078
    Convert (591.62)₁₀ into hexadecimal and octal number system.Answer coming5
    See the wording in each paper
  2. 3×Asked in 2079, 2078, 2077
    Define Half subtractor with truth table and logic diagram.Answer coming5
    See the wording in each paper
  3. 2×Asked in 2078, 2077
    Convert (1011.110) into decimal and hexadecimal.Answer coming5
    See the wording in each paper
  4. 2×Asked in 2080, 2077
    Define combinational logic circuit. Design a combinational circuit whose input is a four bit number and whose output is the 1's complement of the input number.Answer coming10
    See the wording in each paper
  5. 2×Asked in 2079, 2078
    Design Mod 5 synchronous counter using T flip flop.Answer coming5
    See the wording in each paper
  6. 2×Asked in 2079, 2078
    Draw a Serial In Serial Out Shift register and explain it.Answer coming5
    See the wording in each paper
  7. 2×Asked in 2083, 2078
    Implement Boolean function F(A, B, C) = Σ(0,2,3,7) using Decoder and PLA.Answer coming5
    See the wording in each paper
  8. 2×Asked in 2079, 2078
    Subtract (739.57)₁₀— (78.35)₂ using both 10's and 9's complement.Answer coming5
    See the wording in each paper
  9. 2×Asked in 2079, 2078
    What is decoder? Implement 8 × 1 MUX using 2 × 1 MUX.Answer coming5
    See the wording in each paper