Cerium Systems Interview Questions, Process, and Tips

Q1. CDC related question
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Q1. Relocation and salary
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Aptitude and Digital Electronics questions.

Q1. Race around condition
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Q1. Your qualifications
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Q2. Where are you from
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Q3. Any communication skills
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Time and work, series and speed quantitative aptitude

Q1. Basic interview questions in digital electronics
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Q2. Difference between synchronous and asynchronous counters
Ans. 
Synchronous counters use clock signal to change state while asynchronous counters use external inputs.
• Synchronous counters change state on every clock pulse

• Asynchronous counters change state based on external inputs

• Synchronous counters are faster and more reliable

• Asynchronous counters are simpler and cheaper

• Example of synchronous counter: Johnson counter

• Example of asynchronous counter: Ripple counter
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Simple questions related to trains,probability etc.. and technical questions as part 2

Q1. What is a diode?,can you expalin about power amplifiers?
Ans. 
A diode is an electronic component that allows current to flow in one direction only. Power amplifiers are electronic devices that increase the power of a signal.
• A diode is made up of a p-type and n-type semiconductor material.

• It is commonly used in rectifiers, voltage regulators, and signal demodulators.

• Power amplifiers are used to increase the power of a signal, such as in audio systems or radio transmitters.

• They can...read more
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Q2. Which protocols do you know and explain about it ?
Ans. 
I know about various protocols such as TCP/IP, HTTP, FTP, SMTP, etc. that are used for communication over networks.
• TCP/IP is a suite of protocols used for communication over the internet.

• HTTP is used for communication between web servers and clients.

• FTP is used for file transfer between computers.

• SMTP is used for email communication.

• Other protocols include DNS, SSH, Telnet, etc.
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Q3. What is race around condition and how can you overcome ?
Ans. 
Race around condition occurs when two or more signals are changing at the same time, leading to unpredictable output. It can be overcome by using flip-flops.
• Race around condition is a digital logic problem that occurs when two or more signals change at the same time, leading to unpredictable output.

• It can be overcome by using flip-flops, which store the input signal and only change the output signal when the clock sign...read more
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Q4. What is difference between filpflop and latch?
Ans. 
Flip-flop is clocked while latch is level triggered.
• Flip-flop is edge-triggered while latch is level-triggered.

• Flip-flop stores data on the rising or falling edge of the clock signal.

• Latch stores data when the enable signal is high.

• Flip-flops are used in synchronous circuits while latches are used in asynchronous circuits.

• Examples of flip-flops are D flip-flop, JK flip-flop, T flip-flop. Examples of latches are SR latc
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Q5. What is c language? , what is pointer?, what dynamic memory?
Ans. 
C is a programming language used for system programming. Pointers are variables that store memory addresses. Dynamic memory is memory allocated during runtime.
• C is a low-level language used for system programming

• Pointers are variables that store memory addresses

• Dynamic memory is memory allocated during runtime

• Pointers are used to manipulate memory and improve performance

• Dynamic memory allocation is done using functions
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Q6. What is counter, explain about synchronous counters?
Ans. 
Synchronous counters are digital circuits that use clock signals to synchronize the counting process.
• Synchronous counters are also known as parallel counters.

• They use flip-flops to store the count value.

• The clock signal is applied to all the flip-flops simultaneously.

• Synchronous counters are faster and more reliable than asynchronous counters.

• Examples of synchronous counters include binary, decade, and BCD counters.
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Q7. Can you expalin about johnson counter?
Ans. 
Johnson counter is a type of shift register circuit used in digital electronics.
• It is a synchronous counter with a feedback path.

• It has a sequence of states that are repeated in a cyclic manner.

• It has a maximum count of 2^n where n is the number of flip-flops used.

• It is used in applications such as frequency division, digital clocks, and sequence generation.

• Example: A 4-bit Johnson counter has 8 states and can be used
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Q8. And asked one c language program to expalin
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Q1. Introduce your self and tell me about your family
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Q2. What are your strenghts and weekness
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Q3. What is your long term and short term goals
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