Wipro Design Engineer Interview Questions, Process, and Tips

Q1. Difference between flip flops and latch
Ans. 
Flip flops and latches are both sequential logic circuits, but flip flops are edge-triggered while latches are level-triggered.
• Flip flops are edge-triggered, meaning they change state only on a clock edge.

• Latches are level-triggered, meaning they change state as long as the enable signal is active.

• Flip flops are more commonly used in synchronous systems for data storage and transfer.

• Latches are simpler in design and fa...read more
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Q2. Difference between verilog and system verilog
Ans. 
Verilog is a hardware description language used for digital circuit design, while SystemVerilog is an extension that adds features for verification and design.
• Verilog is used for digital circuit design, while SystemVerilog is used for verification and design

• SystemVerilog includes features like classes, randomization, and assertions for verification purposes

• Verilog is more focused on describing the behavior of hardware ...read more
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Q1. About work experience
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Q2. About work experience in manufacturing
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Q3. Privious company workload and backgrounds
Ans. 
I have experience working in a fast-paced environment with high workload, handling multiple projects simultaneously.
• Managed workload effectively by prioritizing tasks based on deadlines and importance

• Collaborated with team members to ensure projects were completed on time and within budget

• Background in designing mechanical components for automotive industry at XYZ Company

• Experience working on projects with tight deadli
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Q1. Family background,and privious company background
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Q2. Salary related & company policy
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Pratical rest in design related

Group discussion with management team

Q1. Write verilog code for mod 3 counter
Ans. 
Verilog code for a mod 3 counter is a sequential circuit that counts in binary from 0 to 2 and then resets to 0.
• Use a 2-bit register to store the current count value.

• Increment the count value on each clock cycle.

• Reset the count value to 0 when it reaches 3.
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Q2. Calculate the set and hold slack from the timing parameters
Ans. 
Set and hold slack are calculated by subtracting the required time from the actual time for setup and hold constraints.
• Set slack = Actual arrival time - Required arrival time for setup constraint

• Hold slack = Required arrival time - Actual arrival time for hold constraint

• Positive slack indicates the timing constraint is met, negative slack indicates violation

• Example: Set slack = 0.2ns, Hold slack = -0.1ns
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Q1. Explain about the roles and responsibilities in current company
Ans. 
As a Design Engineer in my current company, my roles and responsibilities include designing and developing new products, collaborating with cross-functional teams, conducting research and analysis, and ensuring compliance with industry standards.
• Designing and developing new products

• Collaborating with cross-functional teams

• Conducting research and analysis

• Ensuring compliance with industry standards
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Q2. How the E2E ECC is implemented
Ans. 
E2E ECC (End-to-End Error Correction Code) is implemented through algorithms that detect and correct errors in data transmission.
• E2E ECC algorithms are used to ensure data integrity from the source to the destination.

• These algorithms add redundant bits to the data being transmitted, allowing for error detection and correction.

• Examples of E2E ECC algorithms include Reed-Solomon codes and Hamming codes.
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Q1. Why you want to join?
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Q2. What is salary expectation ?
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Q1. PD flows and methods
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Q2. Questions related to project
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