Ignitarium Technology Solutions RTL Design Engineer Interview Questions and Answers

Q1. What is a cache? What does tag used for in a cache?
Ans. 
A cache is a high-speed data storage layer that stores frequently accessed data to reduce access time. A tag is used to identify the location of data in the cache.
• Cache is a temporary storage that holds frequently accessed data

• It reduces the access time by providing faster access to data

• Tag is used to identify the location of data in the cache

• Tag is a part of the cache memory address

• Cache can be implemented in hardware...read more
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C Coding questions

Q1. What is your family background?
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Q2. What are your strengths and weaknesses?
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Q3. Tell me about yourself.
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Q1. IV characterstics of CMOS inverter
Ans. 
IV characteristics of CMOS inverter show the relationship between input voltage and output current.
• CMOS inverter has two transistors - NMOS and PMOS connected in series.

• For low input voltage, NMOS is ON and PMOS is OFF, resulting in low output voltage.

• For high input voltage, NMOS is OFF and PMOS is ON, resulting in high output voltage.

• The transition between low and high output voltage occurs at the threshold voltage.

• Th...read more
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Q2. Set up and hold time explain
Ans. 
Set up time and hold time are timing requirements in digital circuits to ensure proper operation.
• Set up time is the minimum time before the clock edge that the input signal must be stable.

• Hold time is the minimum time after the clock edge that the input signal must be maintained stable.

• Violating set up time can lead to incorrect data being latched.

• Violating hold time can lead to metastability issues.

• Examples: In a flip...read more
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