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WorksheetsChapter 4
Total questions: 15
Worksheet time: 7mins
Which of the following statements about serial communication is TRUE?
It sends multiple bits simultaneously.
It requires 16 parallel wires for data transfer.
It transmits one bit per clock pulse.
It cannot be used for IoT devices.
Which mode of communication allows both devices to transmit and receive simultaneously?
Simplex
Half Duplex
Full Duplex
Multiplex
In I²C communication, the two main lines used are:
MISO and MOSI
SDA and SCL
TX and RX
CTS and RTS
In an I²C bus, who generates the START and STOP conditions?
Slave
Master
Clock generator
Both Master and Slave
Which of the following is a key advantage of SPI over I²C?
Requires fewer wires
Allows multiple masters easily
Supports higher data rates and full-duplex communication
Does not need a clock signal
Which wireless technology is specifically designed for low power and low data rate mesh networks?
Bluetooth
Wi-Fi
Zigbee
LTE
Bluetooth® 5.2 introduced which of the following new features?
High-speed mode (24 Mbps)
Isochronous Channels (ISOC) and LE Audio
IPv6/6LoWPAN support
Mesh topology networking
Which IEEE standard defines the Wi-Fi family of protocols?
IEEE 802.15.1
IEEE 802.11
IEEE 802.3
IEEE 802.15.4
Which of the following best describes LoRa technology?
High data rate, short range
Low data rate, long range, low power
Medium data rate, short range
High bandwidth and high power
In the context of IoT connectivity, which statement about 6LoWPAN is correct?
It is a physical layer protocol.
It adds IPv6 support to IEEE 802.15.4 networks.
It replaces TCP/IP completely.
It uses the 5 GHz frequency band.
What is the correct answer for the topic 'I²C Lines'?
One line
Two lines
Three lines
Four lines
What is the correct answer for the topic 'Zigbee'?
Short range
Medium range
Low power
High power
What is the correct answer for the topic 'Bluetooth 5.2'?
Low speed
High speed
Medium speed
None
What is the correct answer for the topic 'Wi-Fi Standard'?
2.4 GHz only
2.4 GHz and 5 GHz
5 GHz only
None
What is the correct answer for the topic 'LoRa'?
High data rate
Low data rate
Medium data rate
None
