2Factual1

Describe three different types of data transmission?

Answer explanation

Data transmission can be classified into three main types: serial, parallel, and wireless. Serial transmission sends data one bit at a time, parallel sends multiple bits simultaneously, and wireless uses radio waves for transmission.

What is wired data transmission?

Answer explanation

Wired data transmission refers to the transfer of data over physical cables, such as Ethernet or fiber optics. It provides reliable, high-speed connections compared to wireless methods, making it essential for many networking applications.

What are the types of wired data transmission?

• Coaxial cable

• Twisted-pair cable

• Fiber optic cable

Answer explanation

The types of wired data transmission include coaxial cable, twisted-pair cable, and fiber optic cable. Each type has unique characteristics and uses in networking and telecommunications.

What is wireless data transmission?

Answer explanation

Wireless data transmission refers to the transfer of data without physical connections, using electromagnetic waves. It enables communication over distances, commonly seen in technologies like Wi-Fi, Bluetooth, and cellular networks.

What are the applications of wireless communication?

Answer explanation

Wireless communication is used in various applications such as mobile phones, Wi-Fi networks, satellite communication, IoT devices, and remote sensing, enabling connectivity and data transfer without physical connections.

What is analog data transmission?

Answer explanation

Analog data transmission refers to the process of sending information in a continuous signal form, such as sound waves or electrical signals, which represent varying quantities. This contrasts with digital transmission, which uses discrete values.

What are common examples of analog devices?

• Microphones

• Speakers

• Traditional thermometers

Answer explanation

Common analog devices include microphones, which convert sound into electrical signals, speakers that convert electrical signals back into sound, and traditional thermometers that measure temperature through physical changes in materials.

What is digital data transmission?

Answer explanation

Digital data transmission refers to the process of sending data in a digital format over a communication medium. It enables efficient and reliable transfer of information, often using techniques like modulation and encoding.

What are the advantages of digital data transmission?

Answer explanation

Digital data transmission offers advantages such as higher speed, better noise resistance, and improved security. It allows for efficient data compression and error detection, making it more reliable than analog transmission.

What is simplex data transmission?

Answer explanation

Simplex data transmission is a one-way communication method where data flows in only one direction, from sender to receiver, without any return path for feedback. This is commonly used in applications like broadcasting.