A computer is an electronic device that can receive a set of instructions or program and the carry out this program by performing calculations on numerical data or by compiling and correlating other forms of information. ("Computer" Encarta). It also performs calculations and processes information with astonishing speed and precision. Computer Technology has improved our lives. It will continue to affect our future which will lead to an easier‚ less complicated lifestyle‚ with more job opportunities
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Introduction of Computers What is Computer. Computer is an electronic machine‚ which accepts instructions‚ commands and information‚ based on the information process the given information at Ultra High Speed and produce the result on the screen and printer. Qualities of Computer. Possess the following:- a. Ultra High Speed b. Accuracy c. Huge Capacity for Storage d. Decision Making Ability Main Parts of Computers. Following are the main parts
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5 basic operations performed by computer system Inputting Storing Processing Outputting Controlling The internal structure of a computer looks like above: Input unit: Input unit links the external environment with the computer system. Data and instruction must be entered to the computer before performing any competition. Data or instructions can be entered through input devices eg. Key board‚ or any other input devices. Input unit transferred this data into binary coded in short input unit
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Computer Malware Computers have become a part of many people’s everyday life and most families own at least one computer at home. Although computers have brought many conveniences to a person’s daily life‚ there are people out there that have bad intentions such as stealing other people’s private data. Through these intentions‚ these people have made many softwares to achieve their goals. These softwares are called “Malware” and they have the ability to corrupt a computer’s system and cause
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BYTE 1 Teaching Guide Contents Introduction to the series For the instructor Introduction to the Teaching Guides Features of the Teaching Guides A practical approach Issues involved in using computers Ideas on class management Some ideas for practical application Unit 1: The evolution of computers Teaching objectives Learning outcomes Introduction for the teacher Sample lesson plan for a 40-minute period Suggested answers to end-of-unit questions Additional information for the teacher Activity
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STAMFORD UNIVERSITY BANGLADESH Assignment on Public Speaking Assignment topic : Informative speech on “Computer Viruses” Submitted to : Kanita Ridwana Lecturer Department of English Stamford University Bangladesh. Submitted by : Mir Alim – uz – zaman
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Concept of a Computer System The Computer System Concept. A computer is more than a high-powered collection of electronic devices performing a variety of information processing chores. A computer is a system‚ an interrelated combination of components that performs the basic system functions of input‚ processing‚ output‚ storage‚ and control‚ thus providing end users with a powerful information processing tool. Understanding the computer as a computer system is vital to the effective
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A computer system consists of mainly four basic units; namely input unit‚ storage unit‚ central processing unit and output unit. Central Processing unit further includes Arithmetic logic unit and control unit‚ as shown in the figure:. A computer performs five major operations or functions irrespective of its size and make. These are • it accepts data or instructions as input‚ • it stores data and instruction • it processes data as per the instructions‚ • it controls all operations inside a computer
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Computer Technology Being a kid sitting around with your friends‚ there was always that one person this said‚ do you think this will ever happened? When I grow up all I will have to do will say door open to get in my house‚ everything else will be done for me. now‚ much to my surprise this day has now arrived. The arrival and utilization of computers in today’s world is absolutely unbelievable. Things can be done with computers that could have never been done in the past. we have security
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Introduction to computer Basics Background This topic will discuss the introduction to the use of the computer in the business area‚ including the basic hardware and software concepts. Information technology (IT) is one of the key resources in the modern business environment. We have lived during the past 20 years in a period that has strongly emphasised the strategic importance of information technology. Consequently‚ those currently involved in management have a clear vision of the technology’s
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