Wipro PARI Engineer Trainee Intern Interview Questions and Answers for Freshers

There was two aptitude test regular aptitude and core aptitude.

Q1. Introduction, background,setback, willing to relocate, strengths
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Q1. Company related, sensors,project,skills.
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Q2. Function of pir sensor?
Ans. 
PIR sensor detects motion by measuring changes in infrared radiation levels.
• Passive Infrared (PIR) sensor detects motion by measuring infrared radiation emitted by objects in its field of view.

• When motion is detected, the sensor sends a signal to trigger an alarm or turn on lights.

• Commonly used in security systems, automatic lighting systems, and occupancy detection in buildings.
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Q3. What is use of biometric?
Ans. 
Biometric technology is used for identification and authentication based on unique biological traits.
• Used for security purposes to verify identity through fingerprints, facial recognition, iris scans, etc.

• Commonly used in access control systems, time and attendance tracking, and mobile devices.

• Helps prevent unauthorized access and fraud by ensuring only authorized individuals can access certain areas or information.
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Q4. How you can access RFID?
Ans. 
RFID can be accessed using RFID readers which communicate with RFID tags wirelessly.
• RFID can be accessed using RFID readers which emit radio waves to communicate with RFID tags.

• RFID tags contain a unique identifier that can be read by the RFID reader.

• RFID technology is commonly used for tracking inventory, access control, and payment systems.
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