The Seven Layers of OSI Model – Their Protocols and Functions OSI model is developed by ISO (International Standards Organization) , that cover all aspects of networks communications. Open system is a model that allows any two different systems to communicate regardless of their underlying architecture. The OSI model does not perform any functions in
Generations of Computers and Their Characteristics
Generations of Computers and Their Characteristics Generations of Computers can be generalized into mainly five generation : 1. First Generation Computers –1942 to 1954 2. Second Generation of Computers -1955 to 1964 3. Third Generation of Computers- 1965 to 1974 4. Fourth Generation Computers- 1975– till now 5. Fifth Generation of Computers – Still in Process
Booting Process of Computer System and Its Types
Booting Process of Computer : Cold and Warm Booting in Computer What is the Booting Process? The process to ready the computer system for performing any task in known as booting process . From switched ON the computer system up to displaying the operating system prompt, all are the tasks
What is computer ? Characteristics and Limitations of Computer
What is computer ? Characteristics and Limitations of Computer What is a computer ? The word “computer” comes from the word “compute” which means to calculate. So a computer is normally considered to be a calculating device that performs arithmetic operations at enormous speed. More accurately, a computer may be defined as a device that
Different Types of Computer :Based on Size,Purpose and Working Principal
Different Types of Computer: Based on Working Principal, Purpose and Size Computer can be classified in many ways. The common way is to classify the computer according to working principle, purpose and size. There are different types of computer. 1. Types of Computer- Based on working Principal Analog computer Digital computer Hybrid computer 2. Types of