1. The fan put of a 7400 NAND gate is A. 2TTL B. 5TTL C. 8TTL D. 10TTL 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
2. The universal gate is ___________ A. NAND 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
3. An OR gate has 6 inputs. The number of input words in its truth table are A. 6 B. 32 C. 64 D. 128 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
4. In which of the following base systems is 123 not a valid number? A. Base 10 B. Base 16 C. Base 8 D. Base 3 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
5. In case of OR gate, no matter what the number of inputs, a A. 1 at any input causes the output to be at logic 1 B. 1 at any input causes the output to be at logic 0 C. 0 any input causes the output to be at logic 0 D. 0 at any input causes the output to be at logic 1. 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
6. The number of Boolean functions that can be generated by n variables is equal to A. 2n B. 22n C. 22n - 1 D. 2n - 1 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
7. Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits? A. State Reduction B. State Minimization C. State Assignment D. State Evaluation 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
8. Positive logic in a logic circuit is one in which A. logic 0 and 1 are represented by 0 and positive voltage respectively B. logic 0 and, -1 are represented by negative and positive voltages respectively C. logic 0 voltage level is higher than logic 1 voltage level D. logic 0 voltage level is lower than logic 1 voltage level. 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
9. Digital circuit can be made by the repeated use of ___________ A. OR gates B. NOT gates C. NAND gates 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
10. Pick out the CORRECT statement: A. In a positional number system, each symbol represents the same value irrespective of its position B. The highest symbol in a position number system as a value equal to the number of symbols in the system C. It is not always possible to find the exact binary D. Each hexadecimal digit can be represented as a sequence of three binary symbols. 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
