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Course on Computer Concepts


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Today’s world is an information-rich world and it has become a necessity for everyone to know about computers. The purpose of this book is to introduce you about computer and its fundamentals. Computers have touched every part of our lives: the way we way we learn, the way we live, even the way we play. It almost is impossible to go through a single day without encountering a computer, a device department on a computer, information produced by a computer, or a word that was introduced or whose meaning has changed with the advent of computers. Because of the significance of computers in today’s world it is important to be computer literate. Being computer literate means you have knowledge and understanding of computers and their uses.

Computer – A Computer is a powerful tool because it is able to perform the information processing cycle operations (input, process, output, and storage) with amazing speed, reliability, and accuracy; store huge amounts of data and information and communication with other computers. Computers allow users to generate correct information quickly, hold the information so it is available at any time, and share the information with other computer users.

Computer Literacy – It is difficult to think of a field in which computers are not used. In addition to general-purpose computer, special-purpose computer are used in everything from automobiles to electric razors. Consider how computers have influenced our daily lives, both positively and negatively. (“To err is human, but to really foul things up requires a computer.” – Anonymous, from a BBC Radio broadcast.) List ways in which computers are being used today. What is the common use? What is the most unusual use? As a result of the expanding use of computers in 1986, Florida become the first state to demand computer literacy of all students by grade 12.

Types of Software – There are two categories of computer software and application software. System software consists of the programs that control the operations of a computer and its devices. Two types of system software are the operation system and utility programs. An operating system (OS) coordinates all the activities among hardware device and contains instructions that allow you to run application software. A utility program performs specific tasks, usually related to managing a computer, its devices, or its programs. You interact with software through its user interface.

Application software consists of programs that perform specific tasks for users. Popular application software includes word processing software spreadsheet software, spreadsheet, database software, and presentation graphics software. Application software can be packaged software (copyrighted software that meets the needs of a variety of users). Custom software (tailor-made software developed at a user’s request), freeware (copyrighted software provided at no cost), public-domain software (software donated for public use with no copyright restrictions. Or shareware distributed free for a trial period.)


Contents :

1. Introduction to Computer
2. Introduction to GUI-based Operating System
3. Elements of Word Processing
4. Introduction of Excel
5. Computer Communication and Internet
6. WWW and Web Browser
7. Communication and Collaboration
8. Making Small Presentation
9. Model Question Papers Set No. 1 -5


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Mr. Abdullah Khan


Himalaya pub