PICL Interview Questions and Answers

Q1. What is a synchronous machine?
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Q2. What is a synchronous motor?
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Q3. What is a synchronous speed
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We have 25 questions and negative marking is there

Q1. What are storage classes in c language?
Ans. 
Storage classes in C language define the scope and lifetime of variables.
• There are four storage classes in C: auto, register, static, and extern.

• Auto variables are local to the block they are declared in and have automatic storage duration.

• Register variables are stored in CPU registers for faster access.

• Static variables retain their value between function calls.

• Extern variables are declared outside of any function and ...read more
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Q2. How many address lines are present in 1kb memory?
Ans. 
There are 10 address lines present in 1kb memory.
• 1kb memory = 1024 bytes

• To address 1024 bytes, 10 address lines are needed (2^10 = 1024)
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Q1. Program on array , reverse the array
Ans. 
Reverse an array of strings
• Create a new array to store the reversed strings

• Iterate through the original array in reverse order and add each element to the new array

• Return the new array as the reversed array
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Q2. Logic gates, what is the output of this .they will ask by showing picture
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First was aptitude which had questions on analog, digital, network theory, microcontrollers, general aptitude question which was medium level which I clear & got one to one round. In interview he didn't ask much of interview question 1st question was on academic & design verification project, 2nd was on protocol timing diagram for which the interviewer wanted the exact print of specification sheet where my diagram was a little shabby,which made him upset & didn't continue to ask proper questions .

Q1. Analog electronics gate level questions
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Q1. Project related questions
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Q1. Typical HR questions
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General aptitude questions. Easy to solve. Didn’t take much time

Q1. Explain operation of rc circuit
Ans. 
An RC circuit consists of a resistor and a capacitor connected in series or parallel, used for filtering, timing, and signal processing.
• RC circuit operation is based on the charging and discharging of the capacitor through the resistor.

• When a voltage is applied to the circuit, the capacitor charges up to the applied voltage through the resistor.

• The time constant (RC) determines how quickly the capacitor charges or disc...read more
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Q2. Draw waveform for diode
Ans. 
A diode waveform typically shows a voltage drop when forward biased and no current flow when reverse biased.
• Forward biased: voltage drop across diode, current flows

• Reverse biased: no current flow, diode acts as open circuit
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Q1. Questions based on my project
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