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Unit-1 Computer Network

  Fill in the Blanks 1.   A network of computers is called a ________. o     Answer: network 2.   The most common type of network is the ________. o     Answer: Internet 3.   A ________ is used to connect different computers in a network. o     Answer: router 4.   The main computer in a network is called a ________. o     Answer: server 5.   A small network within a single building is called a ________. o     Answer: LAN (Local Area Network) True or False 6.   A WAN covers a larger area than a LAN. (True/False) o     Answer: True 7.   The Internet is a type of LAN. (True/False) o     Answer: False 8.   Computers in a network cannot share files. (True/False) o     Answer: False 9.   A modem is used to connect to the Internet. (True/False) o     Answer: True ...
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The history of computers, organized by key developments and innovations:

Early Developments: Abacus (3000 BCE): The abacus, a rudimentary counting tool, emerges as one of the earliest devices for performing arithmetic calculations. Antikythera Mechanism (100 BCE): An ancient Greek analog computer, used to predict astronomical positions and eclipses. 19th Century: Charles Babbage and the Analytical Engine (1837): Charles Babbage designs the Analytical Engine, a mechanical computing device considered the precursor to modern computers. Although never completed, it laid the foundation for future computational concepts. 20th Century: Mechanical Calculators (1900s): Mechanical calculators, such as the Curta calculator and Marchant calculator, are developed for performing arithmetic calculations. Developed by J. Presper Eckert and John Mauchly, ENIAC (Electronic Numerical Integrator and Computer) is considered the first general-purpose electronic digital computer. Transistors (1947): Invention of the transistor by William Shockley, John Bardeen, and Walter Brattai...
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MS-WORD 081

  Microsoft Word 1. Introduction to Microsoft Word Microsoft Word : A powerful word processing tool used for creating, editing, and formatting various types of documents such as reports, essays, and letters. Goal : Understand essential and advanced features to create professional documents efficiently. 2. Getting Started Open Word : Click Start Menu > Search for Microsoft Word > Click to open. Create a New Document : Click "Blank Document" for a new document. For templates: Click "New" > Choose from available templates (e.g., resumes, reports). 3. Microsoft Word Interface Document Area : Where you type and format content. Ribbon : Contains tabs (Home, Insert, Layout) with various tools. Quick Access Toolbar : Provides shortcuts to frequently used commands (e.g., Save, Undo, Redo). S...
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