Computer & IT Application

Get the notes of Computer and IT Application subject.

network topology definition, types

Network Topology Definition | Topologies advantages and disadvantages with diagram

Definition of Network Topology Network topology refers to the way in which the nodes of a network are linked together. It determines the data paths which, used between any pair of nodes in the network. Some of the network topologies are as follows: 5 types of network topology are: Star topology Ring topology Bus topology …

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computer output devices

Output Devices of Computer and Their Functions Through Examples

Output Devices of the Computer and Their Functions Output devices The output device receives information from the computer and provides them to the users. The computer sends information to the output devices in the binary-coded form. The output devices convert them into a form such as printed form or display on a screen, which can …

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generations of computer

Five Generations of Computer With Pictures

Five Generations of computer The computer is developed from the very beginning and it has characterized or identified in five generations. These five generations of computer features are as below. Generations of Computer: First-generation (1945-1954 AD) Second-generation (1955-1964 AD) Third-generation (1965-1974 AD) Fourth-generation (1975- till the date) Fifth-generation (in developing process) 1. First generation (1945-1954 …

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operating systems functions

Definition of Operating System (OS) and its Functions

The System Concept of Computer A system or computer system is a combination of three elements. These three elements are hardware, firmware, and software. The software may also be classified as system one system software and other application software. Where system software includes an operating system, translator, communication software, and utility software. Similarly, application software …

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block diagram of digital computer system

How Does a Computer System Works? Central Processing Unit (CPU) and Memory

A Computer System is a Combination of Central Processing Unit (CPU) and Memory A computer system can process data, pictures, sound, and graphics. They can solve highly complicated problems quickly and accurately. It is because every computer has a central processing unit and storage unit.  Where information at first entered in the input unit (IU), …

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