CS 2nd sem digital and computer fundamentals important questions

1. Explain ASCII Code.
2. Mention any two types applications of ASCII Code. 
3. List any five rules of Boolean Algebra. 
4. Write the truth table and logic symbol of NAND Gate.
5.  List the application of multiplexer. 
6. Explain D flip flop with truth table.
7.  Explain the first generation of computer. 
8. List any five input devices. 
9. Compare impact and non impact printer. 
10. What is high level language write its advantages and disadvantages add 1111 and 1010 using two's complement. 
11. What is BCD explain with an example. 
12. Explain the following logic Gate with truth table.OR,AND,NOT,NANI, XOR. 
13. Describe full adder with logic diagram and truth table. 
14. Explain the working of 4 bit serial in parallel out shift register with logic circuit and truth table. 
15. Draw a block diagram of computer system and explain. Explain working of CRT display with figure. 
16. Compare RAM and ROM.
17.  Distinguish between primary memory and secondary memory. 
18. Describe the following webcam and DVD.
19.  Explain binary number system. Construct the and Gate using Nand.
20.  List various applications of computers. 
21. Write a short note on inkjet printer. 
22. Define the following hardware and software. 
23. State the Boolean law with expression.
24.  Explain with a neat circuit and truth table of BCD to decimal encoder.
25.  Draw a block diagram of computer system and explain.
26.  explain the working principle of keyboard. 
27. Draw the block diagram and explain the working principle of CRT. 
28. List the advantages and disadvantages of optical disk. 
29. Illustrate first complement and second complement of binary number with example. 
30. State De morgan's theorem and illustrate the same with truth table. 
31. Define the following encoder and decoder.
32.  Differentiate impact and non impact printers. 
33. Define BCD and explain. 
34. Explain the following excess 3 code and grey code. 
35. Explain full adder with logic diagram and truth table.
36.  Explain working of 4 bit serial in parallel out shift register. 
37. Illustrate master slave JK flip flop with its truth table and logic diagram. 
38. List any four input and output devices. 
39. Write a short note on scanner.
40.  Compare primary and secondary memory. 
41. Explain briefly binary and decimal number system.
42.  State De morgan's theorem. 
43. Write half adder logic diagram with truth table. 
44. List and explain any five Boolean Algebra rules.