Download Karnataka Diploma Computer Science 2nd Sem Digital Electronics 2016 Question Paper

Diploma Computer Science 2nd Sem Digital And Computer Fundamentals 2016 Question Paper

Part-A

I. Answer any six full questions

1. Explain briefly binary and decimal number systme.
2. Classify logic gates with truth table and logic symbols.
3. State Demorgan's Theroem.
4. Write Half Adder Logic Diagram with truth table.
5. Define flip-flops.List the Difference types of flip-flop.
6. Define High level language. Write its advantages.
7. List the characteristics of impact printers.
8. Name the input devices of computers.
9. Define ROM. Compare ROM and RAM.

Part-B

II. Answer any Seven full questions:

1.Convert the following:

• (671)10 to binary
• (11010)2 to decimal
• (127668)8 to decimal
• (010111)2 to octal
• (5112)10 to hexadecimal

2.Define the follow:

• BCD
• EBCDIC
• ASCII Code
• GRAY Code
• Excess-3-code

3.List and explain any five Boolean Algebra rules.

4.Explain Decimal to BCD encoder with its truth table and logic diagram.

5.Illustrate JK-FLIP-FLOP with truth table and logic circuits.

6.Explain the working of 4-bit Serial In Serial Out(SISO) shift  register with logic circuits.

7.Explain the components of a computer system with a  neat block diagram.

8.Explain the workig principle of CRT with a neat diagram.

9.Explain the working Principle of Keyboard.

10.(a)State  the benefits  of secondary storage.

     (b)List the advantages of optical disk.

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