Block diagram of computer

1. What is a Block Diagram? A block diagram is a drawing illustration of a system whose major parts or components are represented by blocks. These blocks are joined by lines to display the relationship between subsequent blocks. We use block diagrams to visualize the functional view of a system. It uses blocks connected with lines to represent components of a system. With a block diagram, you can easily illustrate the essential parts of a software design or engineering system and depict the data flow in a process flow chart. You can learn everything about a block diagram, including its uses and types. Check out some of its most used examples and learn how to create your block diagram. Image Source: 2. Block Diagram Symbols and Basic Components Symbol Name Function Blocks Rectangular blocks in a block diagram represent operations in the system. It is usually connected with two lines from left and right, and one of the lines carries the input while the other gives the output. Lines Lines in a bock diagram depicts the system process flow and the interrelationship of components and operations. You can use a straight line to connect blocks and arrowhead to represent the process flow. Summation A cross inside a circle is the summation symbol in a block diagram. It is commonly used in charts from engineering systems, and it sums two inputs together and gives a single output. Differentiator We use “S” in a small block as the differentiator symbol in a block diagram, and it compute...

What is a Microprocessor? Computer's Central Processing Unit (CPU) built on a single Integrated Circuit (IC) is called a microprocessor. A digital computer with one microprocessor which acts as a CPU is called microcomputer. It is a programmable, multipurpose, clock -driven, register-based electronic device that reads binary instructions from a storage device called memory, accepts binary data as input and processes data according to those instructions and provides results as output. The microprocessor contains millions of tiny components like transistors, registers, and diodes that work together. Block Diagram of a Microcomputer A microprocessor consists of an ALU, control unit and register array. Where ALU performs arithmetic and logical operations on the data received from an input device or memory. Control unit controls the instructions and flow of data within the computer. And, register array consists of registers identified by letters like B, C, D, E, H, L, and accumulator. Evolution of Microprocessors We can categorize the microprocessor according to the generations or according to the size of the microprocessor: First Generation (4 - bit Microprocessors) The first generation microprocessors were introduced in the year 1971-1972 by Intel Corporation. It was named Intel 4004 since it was a 4-bit processor. It was a processor on a single chip. It could perform simple arithmetic and logical operations such as addition, subtraction, Boolean OR and Boolean AND. I had a c...

A block diagram is an essential method used to develop and describe software or hardware systems while illustrating their processes and workflows. As shown in the computer block diagram, this method is used to represent systems and their shiftings. For representing any system using a block diagram, it is necessary to find the transfer function of the system. A computer block diagram usually has ROM or RAM, a control unit, and an arithmetic & logic unit that takes the data or information from the input device like keyboard or mouse. The computer block diagram shows how the CPU performs the logic and prints the result on the output devices like an LCD screen or a printer. Instead of creating a computer block diagram from scratch, use EdrawMax pre-defined templates as it provides the right facts and figures that ease the entire process.

By • A block diagram is a visual representation of a system that uses simple, labeled blocks that represent single or multiple items, entities or concepts, connected by lines to show relationships between them. An entity relationship diagram (ERD), one example of a block diagram, represents an See an image on the Block diagrams are used heavily in engineering and design of diagrams for electronics, hardware, software and processes. Most commonly, they represent concepts and systems in a higher level, less detailed overview. The diagrams are useful for Block diagrams are a generalized representation of a concept and are not intended to display complete information in regards to design or manufacture. Unlike schematics, blueprints and layout diagrams, block diagrams do not portray the necessary detail for physical construction. Block diagrams are made simple so as not to cloud concepts. The simplification in block diagrams can also be useful when demonstrating an idea, but concealing the inner workings of potentially secret intellectual property (IP). Top-down design in electrical engineering often progresses through increasingly detailed block diagrams. After enough detail is added through Block diagrams are also used in a scientific context. In the study of biology, for example, block diagrams are used to display biological functions and interrelations. Related Terms Garbage in, garbage out, or GIGO, refers to the idea that in any system, the quality of output is determine...

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