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Fist Generation of Computers (1942-1955) The beginning of commercial computer age is from UNIVAC (Universal Automatic Computer). The first generation computers were used during 1942-1955. They were based on vacuum tubes. Examples of first generation computers are ENIVAC and UNIVAC-1.  Advantages : Vacuum tubes were the only electronic component available during those days.•  Vacuum tube technology made possible to make electronic digital computers.•  These computers could calculate data in millisecond. Disadvantages :   The computers were very large in size. They consumed a large amount of energy. Non-portable. Limited commercial use. Very slow speed. Used machine language only.  Used magnetic drums which provide very less data storage. Second Generation Computers (1955-1964) The second generation computers used transistors. The size of the computers was decreased by replacing vacuum tubes with transistors. The example...

🔘We all have problems with our computers from time to time.  If your computer does not work, you will do three things.  You will browse and browse forums to find the answer.  You ask the online support engine.  otherwise, you can contact your local computer repair store for help.  If you are a new user and do not have knowledge of computers, opening a computer case may not be an honest idea. What you need to do is hire a computer repair service.  Below are a few tips to help you find the right provider in your area.  ✔️ Check reviews   When trying to find a service provider, confirm that you read reviews of them online.  as an example you check Yelp, BBB or Google.  Searching for reviews will give you a great idea about different providers.   In addition, you ask family, colleagues, friends, or other professionals about the repairs they used in the past.  In fact, word of mouth remains one of the most reliable me...