Learning Computer Skill Blog

PORTS WORLD  A Computer   Port is an interface or a point of connection between the computer and its peripheral devices. Some of the common peripherals are mouse, keyboard, monitor or display unit, printer, speaker, flash drive etc. The main function of a computer port is to act as a point of attachment , where the cable from the peripheral can be plugged in and allows data to flow from and to the device. In Computers, communication ports can be divided into two types based on the type or protocol used for communication. They are Serial Ports and Parallel Ports . 👉A serial port is an interface through which peripherals can be connected using a serial protocol which involves the transmission of data one bit at a time over a single communication line. The most common type of serial port is a D-Subminiature or a D-sub connector that carry RS-232 signals . 👉A parallel port , on the other hand, is an interface through which the communication betwe

                                HISTORY OF THE COMPUTER As we know Earlier Computers were very Costly and only large organisations could afford them. But in recent years, new technologies and advancements in the fields of Information Technology(IT) have made computers within reach of small organisations  and individuals also.  It is hard to believe that there was a time when computers did not exist.Even more so, that the first computers were as big as entire rooms . However, as time progressed, computers  became more powerful and much smaller. The computers are divided into five generations.These are described has follow. 1. First Generation (1940-1956) 2.Second Generation (1956-1963) 3.Third Generation (1964-1971) 4.Fourth Generation(1971-1980) 5.Fifth Generation(Artificial Intelligence) EBEES INFOTRAIN CONSULTANCY SERVICES PVT. LTD.  👉 First Generation (1940-1956) First generation: 1937 – 1946 - In 1937 the first electronic digital computer was

                                BASIC TERMINOLOGIES                                           (PART - 1) EBEES Infotrain Consultancy Services Pvt. Ltd. Access time - The performance of a hard drive or other  storage  device  - how long it takes to locate a file. Active program or window -   The application   or window at the front (foreground) on the monitor. Application - a program in which you do your work.                                        or  A computer program that does specific tasks such as word processing or spreadsheets. Bit - Represents a binary digit which is the amount of information obtained by asking a 'Yes' or 'No' question.This is also the smallest unit of information stored on a computer as a 0 or 1 . Blinking Cursor - This is a vertical blinking bar that locates the position on the screen where text can be inserted or deleted . This appears most frequently in text or dialog boxes.