Sirveen Control Systems Interview Questions and Answers

C progrmming questions like macros, if-else, etc

Q1. One input put is High than output will be high which gate?
Ans. 
The gate is an OR gate.
• An OR gate produces a high output if any of its inputs are high.

• It follows the logic of 'if A or B or C is high, then the output is high'.

• Examples of OR gates include the 7402 IC and the OR gate symbol in digital circuit diagrams.
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Q2. How to use in multimeter in digital circuits to measure?
Ans. 
A multimeter can be used in digital circuits to measure voltage, current, and resistance.
• Set the multimeter to the appropriate mode (voltage, current, or resistance)

• Connect the multimeter probes to the circuit

• Read the measurement value on the multimeter display

• Example: To measure voltage, set the multimeter to voltage mode, connect the probes across the component or circuit, and read the voltage value on the display
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Q3. One input is complicate than output will high which gate?
Ans. 
The gate that has a more complex input than output is the NAND gate.
• NAND gate has an output that is high only when both inputs are low.

• It is considered more complex because it combines the functions of an AND gate and a NOT gate.

• Other gates like AND, OR, and XOR have simpler input-output relationships.
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Q4. The high currents will be flow in___?
Ans. 
High currents will flow in conductive materials.
• High currents flow through materials with low resistance.

• Conductive materials such as metals allow high currents to pass through them.

• Examples of conductive materials include copper, aluminum, and silver.

• High currents are commonly found in electrical circuits and power transmission systems.
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Q5. How to connect ammeter in circuits
Ans. 
An ammeter is connected in series with the circuit to measure the current flowing through it.
• Connect the positive terminal of the ammeter to the positive terminal of the power source.

• Connect the negative terminal of the ammeter to the load or component where you want to measure the current.

• Ensure that the ammeter is capable of measuring the expected current range to avoid damaging it.

• Avoid connecting the ammeter direct...read more
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Logical,quantitaive, cs fundamentals + coding in c

Q1. SQL and C programs written tests SQL around 6 question( queries, PL/sql) C 2 questions
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Q1. Both on C and SQL written test papers were observed and will ask to explain the code and will ask to modify the errors
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Asked general appitude questions with c

Aptitude and 3 coding questions

Q1. All about C programming
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Q2. Asked to write some program
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Reasoning ,core ,code

Codingtechnical interview

All aptitude topics like Distance and speed, logical reasoning, clock...etc

C,DBMS, pseudo codes, computer networks

Q1. Discussion on past experience
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Q1. Discussion on my past experience then question comes based on the discussion.
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Round duration - 30. minutes
Round difficulty - Easy

It was in the evening, question were moderate

Q1. 
Count Subsequences Problem Statement
Given an integer array ARR of size N, your task is to find the total number of subsequences in which all elements are equal.
Explanation:
A subsequence of an array i...read more
Ans. 
Count the total number of subsequences in which all elements are equal in an integer array.
• Iterate through the array and count the frequency of each element.

• Calculate the total number of subsequences for each element using the formula (frequency * (frequency + 1) / 2).

• Sum up the total number of subsequences for all elements and return the result modulo 10^9 + 7.
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Round duration - 30 minutes
Round difficulty - Easy

It was in the night around 9:00 PM.

Q1. 
Pair Sum Problem Statement
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Note:
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Ans. 
Given an array and a target sum, find all pairs of elements that add up to the target sum.
• Iterate through the array and for each element, check if the complement (target sum - current element) exists in a hash set.

• If the complement exists, add the pair to the result list.

• Sort the pairs based on the first element and then the second element.

• Return the list of pairs as the final result.
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