21. The NAND gate is AND gate followed by ___________. A. NOT gate B. OR gate C. AND gate D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
22. Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is A. TTLAS B. CMOS C. ECL D. TTLLS Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
23. In Boolean algebra, the bar sign (-) indicates ___________. A. OR operation B. AND operation C. NOT operation D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
24. A hexadecimal odometer displays F 52 F. The next reading will be A. F52E B. G52F C. F53F D. F53O Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
25. The binary code of (21.125)10 is A. 10101.001 B. 10100.001 C. 10101.010 D. 10100.111 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
26. A NAND gate is called a universal logic element because A. It is used by everybody B. Any logic function can be realized by NAND gates alone C. All the minization techniques are applicable for optimum NAND gate realization D. Many digital computers use NAND gates. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
27. NAND. gates are preferred over others because these A. have lower fabrication area B. can be used to make any gate C. consume least electronic power D. provide maximum density in a chip. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
28. Which is the correct order of sequence for representing the input values in K-map? A. (00, 01, 10, 11) B. (00, 10, 01, 11) C. (00, 01, 11, 10) D. (00, 10, 11, 01) Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
29. The inputs of a NAND gate are connected together. The resulting circuit is ___________. A. OR gate B. AND gate C. NOT gate D. None of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
30. Digital computers are more widely used as compared to analog computers, because they are A. Less expensive B. Always more accurate and faster C. Useful over wider ranges of problem types D. Easier to maintain Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
