4.1.2. Objectives

In this particular case we have mentioned 3 objective, objective 1 illustrate the behaviour of digital system. Again we are going to cover this things in knowledge level because these are the things that we will be needing while going to discuss about computer organisation and architecture.

The first objective emphasizes understanding how digital systems behave. This means looking at how they respond to different inputs or signals. We will cover the foundational concepts at a knowledge level, which is about knowing what these systems are and how they function. This foundational knowledge is crucial for later discussions on more complex topics in computer organization and architecture.

Imagine you're learning to drive a car. At first, you need to understand how the car responds to your actions, like turning the steering wheel to change direction or pressing the accelerator to speed up. Similarly, in studying digital systems, you need to know how these systems 'react' to digital signals before tackling how they are structured and organized.

Objective 2, describe the working of basic building blocks of digital system. So, here we will slightly give ideas about the analysis of the digital system.

This objective aims to explain the fundamental components that make up digital systems, such as logic gates, adders, and flip-flops. Understanding these building blocks is essential because they serve as the foundational elements of more complex systems. By analyzing how these components work individually, we can better grasp how they function together to form entire digital systems.

Think of building a house. You start with basic building blocks like bricks, wood, and concrete. Before constructing the entire house, you need to understand how each building block fits together to create a stable structure. Similarly, in digital systems, by analyzing each basic building block, we can comprehend how they form larger functional units.

Objective 3 explain the issues related to sequential circuit, ok we will come back to this point what is sequential circuit.

The third objective focuses on understanding sequential circuits, which differ from combinational circuits in that their outputs depend not only on the current inputs but also on past inputs. This introduces complexities such as timing and state retention, which are important for tasks like memory storage and computation path determination.

Consider a relay race. The runner not only needs to focus on their speed but also on when to pass the baton to the next runner. Their performance depends on their past actions (the timing of the baton pass) in conjunction with their current input (their running speed). In a similar fashion, sequential circuits maintain a memory of previous inputs which influences current outputs.

So, in that case you can categorise the computer into two broad categories, one is a digital computer and second one is analog computer ... these computers are electronic devices. So, it works on electrical signals that signals may be either voltage or current.

This chunk distinguishes between digital and analog computers. Digital computers operate using discrete signals that represent data in binary form (0s and 1s), while analog computers use continuous signals. Understanding this distinction is crucial as it implies different methods of processing information and different applications in computing technology.

Think of digital and analog computers like two different types of music players. A digital player (like a smartphone) plays music that is stored as digital files, representing sound in a binary format. An analog player (like a vinyl record player) reads continuous grooves and can produce sound without any discretization. Each has its advantages depending on the context of use.

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