WorksheetsSSII
Total questions: 15
Worksheet time: 10mins
Which of the following is an example of an analog sensor?
a) Temperature sensor (Thermocouple)
b) Digital humidity sensor
c) RFID sensor
d) Wi-Fi module
Which encoding format is commonly used for sensor text data representation?
a) ASCII
b) Decimal
c) LZW
d) CRC
Which theorem determines the minimum sampling rate required to prevent information loss?
a) Fourier Theorem
b) Nyquist Theorem
c) Newton’s Theorem
d) Shannon’s Law
Convert the decimal number 45 into an 8-bit binary representation
(a)
Which of the following is a lossless data compression technique?
a) JPEG Compression
b) Huffman Coding
c) Quantization
d) Delta Encoding
Low-pass filters remove high-frequency noise from sensor signals.(True/False)
(a)
What is the main purpose of data compression in sensor communication?
a) Increase storage requirements
b) Reduce transmission time and power consumption
c) Make data more complex
d) Improve noise filtering
Hamming Code is used for error correction and can correct a single-bit error(True or False)
(a)
Which of these error detection methods is widely used in automotive networks like CAN bus?
a) Checksum
b) Cyclic Redundancy Check (CRC)
c) ASCII Encoding
d) Run-Length Encoding
Which of the following is NOT a wired communication protocol?
a) I2C
b) SPI
c) Zigbee
d) CAN Bus
What is the primary advantage of wireless sensor communication over wired communication?
a) Higher reliability
b) No installation complexity
c) Lower power consumption
d) Reduced interference
SPI is a full-duplex communication protocol, whereas I2C is half-duplex (True or False)
(a)
What is the main disadvantage of wireless communication in sensor networks?
a) High security
b) Susceptibility to interference
c) Higher installation complexity
d) Requires more wiring
Which wireless communication protocol is best for long-range, low-power IoT applications?
a) Wi-Fi
b) Bluetooth
c) LoRa
d) Zigbee
Which of the following is a key parameter affecting sensor data transmission?
a) Temperature
b) Latency
c) Color
d) Surface tension
