Ericsson Graduate Engineer Interview Questions, Process, and Tips

Q1. 1. What is wireless communication?
Ans. 
Wireless communication refers to the transmission of information without the use of physical connections or wires.
• Wireless communication allows devices to communicate with each other over a distance using electromagnetic waves.

• It enables the transfer of data, voice, and video signals wirelessly.

• Examples of wireless communication technologies include Wi-Fi, Bluetooth, cellular networks, satellite communication, and radi
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Q2. 1. What is Telecommunication?
Ans. 
Telecommunication is the transmission of information over a distance using electronic means.
• Telecommunication involves the exchange of information between two or more parties.

• It uses various technologies such as telephones, radios, television, and the internet.

• Telecommunication enables real-time communication, allowing people to connect and communicate regardless of their physical location.

• Examples of telecommunication...read more
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Q3. What are the types of modulations?
Ans. 
Modulation is the process of varying a carrier signal in order to transmit information.
• Amplitude Modulation (AM) - varying the amplitude of the carrier signal

• Frequency Modulation (FM) - varying the frequency of the carrier signal

• Phase Modulation (PM) - varying the phase of the carrier signal

• Quadrature Amplitude Modulation (QAM) - combining amplitude and phase modulation

• Pulse Amplitude Modulation (PAM) - varying the amp...read more
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Q4. What is the difference between 2G, 3G, 4G? Why 5G?
Ans. 
2G, 3G, 4G, and 5G are different generations of mobile network technology.
• 2G refers to second-generation mobile networks that primarily provided voice and text messaging services.

• 3G introduced faster data transfer speeds, enabling internet browsing, video calling, and multimedia services.

• 4G further improved data speeds, offering high-quality video streaming, online gaming, and advanced mobile applications.

• 5G is the fif...read more
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Q5. Questions regarding my projects which were based on radar.
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Q6. How to remove elements from list?
Ans. 
To remove elements from a list, use the remove() method or list comprehension.
• Use the remove() method to remove a specific element from the list.

• Use list comprehension to remove multiple elements based on a condition.

• Example: myList.remove('element') or myList = [x for x in myList if x != 'element']
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Basic aptitude questions

Q1. Difference between queue and stack
Ans. 
A queue is a data structure that follows the FIFO (First-In-First-Out) principle, while a stack follows the LIFO (Last-In-First-Out) principle.
• Queue: Elements are added at the rear and removed from the front.

• Stack: Elements are added and removed from the top.

• Queue is like a line of people waiting for a bus, while a stack is like a stack of plates.

• Queue is used in breadth-first search algorithms, while stack is used in
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Q2. Questions based on sql queries
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Basic Maths , General aptitude for placements

Q1. Questions based on resume
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Q2. Digital Circuits , how do they work ?
Ans. 
Digital circuits are electronic circuits that operate using digital signals (0s and 1s) to perform logical operations.
• Digital circuits use logic gates to process binary information.

• They can perform operations such as AND, OR, NOT, and XOR.

• These circuits are the building blocks of computers and other digital devices.

• Examples of digital circuits include flip-flops, registers, and arithmetic logic units.
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Q3. How do Logic gates work ?
Ans. 
Logic gates are electronic devices that perform logical operations based on input signals.
• Logic gates take input signals and produce an output signal based on a specific logic function.

• They can perform operations such as AND, OR, NOT, NAND, NOR, XOR, and XNOR.

• For example, an AND gate outputs a high signal only when both input signals are high.

• A NOT gate inverts the input signal, producing a high output when the input i...read more
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All quant and logical questions with little bit of English

Q1. Questions were majorly related to cv basics of cloud computing, Java, And which sector of the company I would like to work in and why
Ans. I told them what project I have done with the introduction of my academic as well as extra curricular activities
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Q2. What is cloud computing and what is the besic deployment model of cloud computing
Ans. 
Cloud computing is the delivery of computing services over the internet, allowing users to access and store data on remote servers.
• Cloud computing allows users to access data and applications from any device with an internet connection.

• The basic deployment models of cloud computing are public, private, hybrid, and community clouds.

• Public clouds are owned and operated by third-party cloud service providers, offering res...read more
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Q1. How many people are there in my family, strength and weakness, and if I am team player or not
Ans. Majorly talked about family background told them I am a team player and would work with the team
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