Communication Systems Overview

Which of the following are examples of wire-based transmission media?

In wireless transmission, the communicating devices are connected through wires.

What is the process called where a digital signal is converted into its analog form?

A ______ is used to perform modulation and demodulation for data transmission.

Match the following transmission media with their corresponding categories:

Which of the following is NOT an example of a transmission medium?

Analog signals are continuously varying in nature.

What is the main difference between wire-based and wireless transmission media?

Which of the following are examples of analog signals?

Digital signals are less susceptible to noise interference compared to analog signals.

What is the primary characteristic that distinguishes analog signals from digital signals?

The pattern of a digital signal is referred to as a ______ wave.

Match the communication resources with their descriptions:

Which of the following is NOT a key advantage of digital signals?

What is one of the main advantages of having a computer network?

What does the term "broadband" refer to in the context of internet access?

A Local Area Network (LAN) is usually confined to a small area like an office building.

Communication resources can only be used directly, without the participation of any technology.

What is the primary purpose of a Personal Area Network (PAN)?

A ______ connects multiple local area networks or campus area networks together, covering a larger geographical region.

Which type of network is most suitable for communication between devices in a single room?

Match the network types to their typical geographical coverage:

Which topology is characterized by a single transmission medium shared by all terminals?

In a Ring Topology, data flows in two directions around the ring.

Which of the following is NOT a key component of a communication system?

A computer network is solely used for transmitting text data.

What is the main advantage of a Complete Topology?

What is the primary advantage of a computer network?

A ______ topology is a combination of two or more different topologies.

Match the topology with its primary characteristic:

A ______ is a collection of interconnected communication networks that work together.

Which of the following is NOT an advantage of Bus Topology?

Match the network type with its typical coverage area:

A central host computer is essential for data transmission in a Complete Topology.

What network topology connects all devices directly to a central hub?

What is the primary disadvantage of Ring Topology when adding a new computer?

In a ring topology, data travels in a circular path, requiring a connection between the first and last devices.

Give one example of a real-world application that uses a WAN.

Which of these companies provide Broadband services?

Wi-Fi stands for 'wireless fidelity' and enables wireless data transmission.

What is the primary function of a computer network?

Bluetooth uses radio frequency bandwidth for wireless communication between devices within a short range of ______ meters.

Match the following technologies with their primary uses:

What is a benefit of using Wi-Fi?

A personal computer needs a Bluetooth adapter to communicate with Bluetooth devices like keyboards and mobile phones.

Why was the need for computer networks recognized during the Cold War?