File Details:

{"filename":"bca-2-sem-digital-electronics-and-computer-organization-2016.pdf","description":"This file contains the B.C.A. Second Semester examination paper for Digital Electronics & Computer Organization (Second Paper) from 2016. It includes questions on topics such as NAND gate, decoders, virtual memory, Boolean algebra, Karnaugh maps, ripple counters, combinational and sequential circuits, flip flops, and shift registers."}

Questions:

  1. Show that NAND gate is a Universal gate.
  2. What is the basic function of a decoder? Explain basic 3-input decoder with diagram.
  3. Describe the mode of working of an edge triggered S-R Flip Flop.
  4. What do you understand by Virtual Memory? Explain the basic organization and working methodology of Virtual Memory.
  5. Using the Karnaugh Map method, minimize the given expression.
  6. What are 'don't care' conditions? Discuss how they are handled, with the help of an example.
  7. Using the postulates of Boolean Algebra, simplify the given expressions.
  8. Describe the working of a Ripple counter with suitable diagram and counting sequence. How is the Ripple counter used in digital circuits?
  9. Distinguish between Combinational and Sequential Circuits, Synchronous and Asynchronous Counter, and T flip flop and D flip flop. Provide suitable diagrams where necessary.
  10. What is a Shift Register? Discuss the different modes of operation of Shift Register with clear diagram. Mention the use of Shift Register in computer hardware circuits.
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