Tata Electronics IT Supporter Interview Questions and Answers

In 5 years, I see myself as a senior analyst at Qualcomm, utilizing my skills to drive innovation and contribute to the company's success.

• I am passionate about technology and Qualcomm's cutting-edge advancements in the semiconductor industry align with my career goals.

• I believe Qualcomm's global presence and diverse projects will provide me with ample opportunities for growth and development.

• I aim to become a subject m...read more

Variance of sum of two iid random variables is the sum of their individual variances.

• Variance of sum of two iid random variables is the sum of their individual variances

• If X and Y are iid random variables, Var(X+Y) = Var(X) + Var(Y)

• For example, if X and Y are both dice rolls, Var(X+Y) = Var(X) + Var(Y) = 35/12

Different types of fading channels in wireless systems include Rayleigh fading, Rician fading, and Nakagami fading.

• Rayleigh fading is when there is no line of sight between transmitter and receiver, resulting in random amplitude and phase variations.

• Rician fading is a combination of a dominant line of sight signal and scattered signals, leading to a stronger signal with fading effects.

• Nakagami fading models the wireles...read more