Enviro Infra Engineers Accountant Interview Questions and Answers

Q1. What is ISR ?
Ans. 
ISR stands for Interrupt Service Routine.
• ISR is a function that is executed in response to an interrupt signal from a hardware device.

• It is used to handle time-critical events and to communicate with hardware devices.

• ISR is commonly used in embedded systems and real-time operating systems.

• Examples of ISR include handling keyboard input, processing network packets, and updating display output.
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Q2. What is interrupt latency ?
Ans. 
Interrupt latency is the time delay between the occurrence of an interrupt and the start of the interrupt handler.
• Interrupt latency is an important metric in real-time systems.

• It is measured in microseconds or nanoseconds.

• Interrupt latency can be affected by factors such as hardware design, interrupt priority, and the current state of the processor.

• For example, if a high-priority interrupt occurs while the processor is...read more
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Q3. Which statement is Faster ++i or i+1
Ans. 
++i is faster than i+1
• ++i increments the value of i and returns the new value

• i+1 creates a new value by adding 1 to i and returns it

• ++i is a single operation while i+1 involves two operations

• In some cases, the difference in speed may not be noticeable
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Q4. What is watchdog timer ?
Ans. 
A watchdog timer is a hardware or software component that monitors the operation of a system and resets it if necessary.
• It is used to prevent system crashes or malfunctions due to software bugs or hardware failures.

• The timer must be periodically reset by the system to prevent it from triggering a reset.

• If the system fails to reset the timer, it assumes that the system has crashed and triggers a reset.

• Watchdog timers ar...read more
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Q5. Type of communication protocol
Ans. 
Communication protocols are sets of rules that govern the exchange of data between devices.
• There are various types of communication protocols such as TCP/IP, HTTP, FTP, SMTP, etc.

• TCP/IP is the most commonly used protocol 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.

• Communication pro...read more
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Q1. About last company, reason for job change, Current CTC and expected CTC
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Q1. Tell about yourself and past experience
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Q2. What's your current role and responsibilities
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Q1. Work experience
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Q1. Work experience
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Q1. It was online interview.
Ans. It was over call for two rounds and one face to face
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Q1. My past experience
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Q1. Why should we hire you?
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Q2. Where do you see yourself in 5 years?
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Balance sheet

Q1. Depends position to position
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Q1. General, salary notice period and tenure skill sets residence
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Q1. Accruals Postings Prepaids Dual concept Brs
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