Question: In which type of computer, data are represented as discrete signals.

Answer:

Data represented as discrete signals is a characteristic of digital computers.

Digital computers use a binary system to represent data, where information is encoded as a series of discrete signals or bits. Each bit can have a value of either 0 or 1, representing the two possible states in digital computing. These bits are combined to represent larger units of data, such as characters, numbers, or instructions.

The discrete nature of digital signals allows for precise representation and manipulation of data. It enables the use of logical operations, arithmetic computations, and storage of vast amounts of information in digital form. Digital computers are capable of performing complex calculations, executing algorithms, and processing data in a systematic and efficient manner.

On the other hand, analog computers represent data using continuous signals that can take on a range of values. Analog computers are designed to work with continuous variables and perform calculations based on the physical properties of the signals, such as voltage or current. They are often used for specific tasks that require real-time processing or simulations of continuous systems, such as scientific modeling, control systems, and signal processing.

In summary, digital computers represent data as discrete signals, whereas analog computers work with continuous signals. The majority of modern computers, including personal computers, laptops, and servers, are digital computers that process data using discrete binary signals.