22) If the data segment register (DS) contains 4000H, what physical address will the instruction MOV, AL, [234BH] read? 1. 634BH 2. 3. 4. 4234BH Answer: D Solution Solution Here's how to calculate the physical address: DS (Data Segment Register): 4000H Offset: 234BH The physical address is calculated using the formula: Physical Address = (DS X 16) + Offset Convert DS to decimal and multiply by 16: 4000H in decimal is 16384. 16384 * 16 = 262144. Convert the result back to hexadecimal: 262144 in hexadecimal is 40000H. Add the offset: 40000H + 234BH = 4234BH Therefore, the physical address is 4234BH. So the answer is 4) 4234BH. Previous yr Question papers with Full Explanations → ...

  19.  Determine the output of the logic array given in the following figure. The Xs represent connected link 1. AB - + A - B 4. AB + A - B - Answer: A Solution AB + AB -    + A - B  +   A - B -  =   AB -    + A - B + 1 =  AB -    + A - B   Previous yr Question papers with Full Explanations → Electronics and Communiaction Study Materials →

18) The simplified boolean expression for the following K-map to find F(A,B,C,D) in SOP: AB \ CD 00 01 11 10 00 0 0 1 0 01 1 1 1 1 11 0 1 1 1 10 0 1 0 0 BD + A B D + A CD + AC D + ABD [Option ID = 2901] BD + A B D + A C D + AC D [Option ID = 2902] A B D + A C D + AC D + ABD [Option ID = 2903] A B C + A CD + A C D ...

  17) What is entered variable map? A map to solve the sequential circuits. [Option ID = 2897] An alternative to Karnaugh Map where the variable is placed as output. [Option ID = 2898] A modified version of Karnaugh Map where the variable is placed as composite. [Option ID = 2899] A tabular method for logic simplification. [Option ID = 2900] Answer: A Previous yr Question papers with Full Explanations → Electronics and Communiaction Study Materials →

16) Which of the following statements is wrong about noise in Operational Amplifiers? Thermal noise is the result of random motion of the charge carriers in a resistor. [Option ID = 2893] Shot noise arises from the discrete nature of the current flow in electronic devices. [Option ID = 2894] Popcorn noise is caused by imperfect semiconductor surface conditions. [Option ID = 2895] Flicker noise occurs in active devices at very high frequencies. [Option ID = 2896] Answer: D Solution Statement 1 is True: Thermal noise is indeed the result of random motion in a resistor. Statement 2 is True: Shot noise does arise from the discrete nature of current. Statement 3 is True: Popcorn noise is caused by surface/lattice conditions. Statement 4 is FALSE: Flicker noise occurs at low frequencies, not very high frequencies. As frequency increases, flicker noise eventually disappears below the therma...

AI vs ML vs Deep Learning What is Machine Learning? A beginner-friendly explanation of Machine Learning. Machine Learning (ML) is a branch of Artificial Intelligence (AI) where computers learn patterns from data and make decisions or predictions without being explicitly programmed for every task. Simple Example If you show a computer thousands of spam and non-spam emails, it can learn to identify spam emails automatically. Traditional Programming Data + Rules → Output Machine Learning Data + Output → Learns Rules (Model) Types of Machine Learning ...

14) Which of the following statements is NOT correct about Bipolar Junction Transistors?  Emitter follower configuration will always have an output voltage slightly less than the input signal. [Option ID = 2885] Common-base configuration has very low input impedance. [Option ID = 2886] The CE emitter-bias configuration with an unbypassed emitter resistor has a larger input resistance than the bypassed configuration. [Option ID = 2887] The voltage divider bias configuration has much less stability than the fixed-bias configuration. [Option ID = 2888] Answer: A Solution To find the statement that is NOT correct , we evaluate each based on transistor theory: Statement Engineering Fact Status 1. Emitter Follower output...

  13) An amplifier has power gain of 800. Its decibel power gain is:  19 dB [Option ID = 2881] 32 dB [Option ID = 2882] 28 dB [Option ID = 2883] 29 dB [Option ID = 2884] Answer: D   Solution 10*log[10]800 = 29 Previous yr Question papers with Full Explanations → Electronics and Communiaction Study Materials →