Texas Instruments System Administrator Interview Questions and Answers

Q1. Managerial Introduction and alignment with the job role.
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Q1. Technical Hardware Questions
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Q1. Technical Software/Scripting Questions
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Q1. General HR discussions
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Q1. What will variance of sum of two iid random variables
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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
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Q2. Different type of fading channels in wireless system
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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
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General questions on time and work ,ages, pipes and cisterns, average and some simple ones

Asked about c language mcqs and also error checking, finding output for given program

Q1. 3-4 rounds of c and DSP questions.
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Q2. Fourier transform
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Q3. Digital filtering
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Q4. C coding and basics
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Q1. Find if number i power of 2
Ans. 
Check if a number is a power of 2.
• A number is a power of 2 if it is greater than 0 and has only one bit set to 1.

• Use bitwise operations to check if the number is a power of 2.

• For example, 4 (100 in binary) is a power of 2, while 6 (110 in binary) is not.
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Q1. Perl Hashes add and remove elements
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