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I applied via Campus Placement and was interviewed before Oct 2023. There was 1 interview round.
A VTC for an inverter is a Voltage Transfer Characteristic graph showing the relationship between input and output voltage.
VTC graph typically shows how the output voltage of an inverter changes with respect to the input voltage.
The VTC curve may have different regions such as linear, saturation, and cutoff.
The VTC helps in understanding the behavior of the inverter under different input conditions.
A synchronous machine is a type of electric machine that operates at a constant speed determined by the frequency of the electrical supply.
Synchronous machines are commonly used in power generation, industrial applications, and electric vehicles.
They have a rotor that rotates at the same speed as the rotating magnetic field produced by the stator.
Synchronous machines are more efficient than induction machines at higher...
A synchronous motor is a type of AC motor in which the rotation of the shaft is synchronized with the frequency of the supply current.
Uses electromagnets to create a rotating magnetic field
Requires a separate DC power source to create the magnetic field
Commonly used in applications where precise speed control is required, such as in industrial machinery
Examples include synchronous motors used in air compressors, convey
Synchronous speed is the speed at which the magnetic field rotates in a synchronous motor.
Synchronous speed is determined by the frequency of the power supply and the number of poles in the motor.
It is the speed at which the motor's magnetic field rotates in sync with the stator field.
Formula: Synchronous Speed (rpm) = (120 * Frequency) / Number of Poles
For example, a 4-pole motor connected to a 60 Hz power supply will
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There was 1 interview round.
Wifi AC is the 5th generation of wifi technology, while Wifi Ax is the 6th generation with improved speed and efficiency.
Wifi AC operates on the 5 GHz band, while Wifi Ax operates on both 2.4 GHz and 5 GHz bands.
Wifi Ax supports MU-MIMO (Multi-User, Multiple Input, Multiple Output) technology for better performance in crowded networks.
Wifi Ax offers higher data rates and improved efficiency compared to Wifi AC.
Wifi Ax ...
DTIM stands for Delivery Traffic Indication Message, used in Wi-Fi networks to inform clients about the presence of buffered broadcast and multicast frames.
DTIM is a parameter in the Wi-Fi beacon frame that indicates to clients how often they should wake up to receive broadcast and multicast traffic.
It helps in saving battery life for devices by allowing them to sleep for longer periods of time.
Clients can set their po...
Samsung Semiconductor interview questions for popular designations
I applied via Approached by Company and was interviewed in Apr 2023. There were 5 interview rounds.
Design a memory allocator for user space programs like malloc.
The allocator should manage memory efficiently and avoid fragmentation.
It should support multiple threads and handle concurrent requests.
Consider using techniques like buddy allocation or slab allocation.
Implement features like memory alignment and garbage collection.
Test the allocator thoroughly to ensure correctness and performance.
Get interview-ready with Top Samsung Semiconductor Interview Questions
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
AON. duration was 90 min.
Find the largest substring in an array of strings without any duplicate characters.
Iterate through each string in the array
Use a set to keep track of characters seen so far
Update the start index of the substring when a duplicate character is found
Calculate the length of the current substring and update the max length if needed
I applied via LinkedIn and was interviewed in Nov 2023. There was 1 interview round.
I integrated partner API by collaborating with the partner's technical team and following API documentation.
Collaborated with partner's technical team to understand API capabilities and requirements
Reviewed API documentation to understand endpoints, authentication methods, and data formats
Developed code to interact with partner API endpoints
Tested API integration to ensure data is being exchanged accurately
Implemented ...
I applied via Naukri.com and was interviewed before Mar 2023. There were 3 interview rounds.
We had an aptitude test which had questions from programming and basic aptitude
I applied via Recruitment Consulltant and was interviewed in Feb 2023. There were 2 interview rounds.
The interface between RF and MAC messages involves the communication protocol and data exchange between the radio frequency and media access control layers.
The RF layer is responsible for transmitting and receiving radio signals, while the MAC layer manages access to the communication medium.
The interface between RF and MAC messages includes protocols like IEEE 802.11 for wireless LANs.
RF messages typically contain phy...
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