O Level IoT Paper January 2026

When is light emitted from the LED?

LED से प्रकाश कब निकलता है?

An AVR uses a ________ to monitor the output voltage.

AVR output voltage को monitor करने के लिए ________ का उपयोग करता है।

Car is connected to a mobile. This type of network is called?

Car को mobile से connect करने पर यह network किस प्रकार का है?

Which of the following is a reserved keyword in C used to declare that a variable's value may change unexpectedly?

C language में कौन-सा reserved keyword है जो बताता है कि variable का value अचानक बदल सकता है?

Piezo Sensor depends on?

Piezo Sensor किस पर निर्भर करता है?

Which is the first element of an array?

Array का पहला element कौन सा होता है?

Which is a famous IoT security attack?

Famous IoT security attack कौन सा है?

What is the symbol for Logical OR

Logical OR का symbol क्या है

What is the full form of IDLE

IDLE का पूरा नाम क्या है

Which of the following is NOT a microcontroller in the Embedded ecosystem

Embedded ecosystem में कौन-सा microcontroller नहीं है

How many pins does an ESP32 microcontroller have

ESP32 microcontroller में कितने pins हैं

Wi-Fi uses which mechanism for security

Wi-Fi security के लिए कौन-सा mechanism use होता है

Which components are present on an Arduino board?

Arduino board में कौन-कौन से components होते हैं

IR Sensor output is of what type

IR Sensor का output किस प्रकार का होता है

Which of the following is a Passive Transducer

Passive Transducer किसे कहते हैं

Which component is responsible for processing and executing control algorithms in a moving system

Moving system में processing और control algorithm को execute करने के लिए कौन-सा component responsible होता है

Microcontroller is sometimes abbreviated as

Microcontroller को कभी-कभी किस abbreviation से लिखा जाता है

Which of these is not an arithmetic operator

इनमें से कौन arithmetic operator नहीं है

IoT was developed by

IoT किसने विकसित किया

What is the symbol for writing comments in Arduino

Arduino में comment लिखने का symbol क्या है

What is the full form of RFID as mentioned in your study list

RFID का पूरा नाम क्या है

How many types of Arduino do we have

Arduino के कितने प्रकार होते हैं

Which of these is the full form of LPWAN

LPWAN का पूरा नाम क्या है

In the Arduino environment, which symbol is used to write a single-line comment

Arduino environment में single-line comment लिखने के लिए कौन सा symbol use होता है

In which year was the term IoT coined

IoT शब्द का प्रयोग (coined) किस वर्ष किया गया

Which of the following is a key feature/use of an ESP8266 module

ESP8266 module की मुख्य विशेषता / उपयोग क्या है

The core element is operated by

कोर एलिमेंट किसके द्वारा operate किया जाता है?

What is Cryptography

Cryptography किसे कहते हैं?

Which of the following is a common IoT data processing technology

Common IoT data processing technology कौन सी है

Which programming languages are used in building IoT

Building IoT में कौन-सी programming languages का उपयोग होता है

What is Bitcoin

Bitcoin क्या है