Digital electronics-(2140910) questions for chapter-5,6 and 7

Notice: For chapter-1,2,3 &4 please go through question bank uploaded earlier. CHAPTER 5:FLIP FLOPS AND SEQUENTIAL LOGIC AND CIRCUITS 61 Distinguish between combinational and sequential logic circuits. 62 Explain SR flip-flop. 63 Discuss application of flip flops. 64 Explain D-Flip-flop. 65 Explain T-Flip-flop. 66 Differentiate between excitation table and truth table. Write excitation table for J-K flip flop. 67 What is positive and negative edge triggering? Explain SR flip flop with negative edge triggering 68 State the basic difference between synchronous and asynchronous counters. 69 Explain operation of 4 bit left shift register with necessary diagrams. 70 Differentiate between level triggering and edge triggering of flip-flops. Explain Master-Slave J-K flip-flop configuration.explain race aound condition. 71 Design mod -12 asynchronous up counter. 72 What are Preset and Clear inputs with flipflop? Why are they provided with flipflop? 73 Design 4-bit up/down ripple counter. CHAPTER 6: MEMORY 74 Write a note on EEPROM. 75 Compare between various types of ROM. 76 Explain internal organization of RAM , Draw and explain with necessary block diagram the process of writing in memory and reading from memory also. 77 Give comparison between EPROM and FLASH memory. 78 Compare SRAM with DRAM. 79 Give internal organization of 16×4 RAM. Explain Read and Write operation of RAM. CHAPTER 7:D/A AND A/D CONVERTER 80 Compare various D/A Converters 81 Describe operation of D/A converter with binary weighted resistors. 82 Define following specifications of DAC (i) Resolution (ii) Accuracy (iii) Settling time (iv) Monotonicity. 83 Define following specification of ADC (i) Resolution (ii) Conversion time (iii) Quantization error 84 Explain working of successive approximation type ADC. 85 Explain R-2R ladder DAC with necessary diagram. 86 Mention the applications of D/A converter and A/D converter.