Tessolve Semiconductor Junior PCB Engineer Interview Questions and Answers

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Q1. Smt ipqc relative details
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Q2. Relative question to 5s, process audite and more
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Q1. Basics of c, microcontrollers
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Q1. Pointers in memory
Ans. 
Pointers in memory are variables that store memory addresses of other variables.
• Pointers are used to access and manipulate memory locations directly.

• They are denoted by an asterisk (*) before the variable name.

• Example: int *ptr; // declaring a pointer to an integer variable

• Example: ptr = # // assigning the address of 'num' to the pointer
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Q1. Design a higher order multiplexer using lower order ones
Ans. 
A higher order multiplexer can be designed by cascading lower order ones.
• Start by designing a 2:1 multiplexer using logic gates

• Cascading multiple 2:1 multiplexers can create a higher order multiplexer

• For example, two 2:1 multiplexers can be cascaded to create a 4:1 multiplexer
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Q2. How to reduce the propagation delay of the adder circuit
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To reduce propagation delay of adder circuit, use faster logic gates, reduce wire length, and optimize layout.
• Use faster logic gates like CMOS instead of TTL

• Reduce wire length to minimize capacitance

• Optimize layout to minimize signal path length and reduce parasitic capacitance
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