erUNIT 1 INTRODUCTION TO COMPUTERS Structure 1.1 1.2 1.3 Introduction Objectives Introduction to Computers Why Computer? Evolution of Computers 1.3.1 The First Computer 1.3.2 Some Well Known Early Computers 1.3.3 Computer Generations 1.4 1.5 1.6 1.7 1.8 1.9 Components of a Computer Hardware vs Software System vs Applications Software Bits and Bytes Input and Output Devices RAM/ROM 1.10 Secondary Storage Devices 1.11 Summary 1.12 Answers to SAQs 1.1 INTRODUCTION This unit aims
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BASIC CONCEPTS IN COMPUTING WHAT IS A COMPUTER A computer may be defined as an electronic device that has the capability of accepting and processing data under the control of a stored program and producing output in the form of information. This information may be in the form of sound‚ images‚ electronic signals‚ etc. and may be stored within the computer or on an external storage device. Computers are not very intelligent but they handle instructions flawlessly and fast. They must follow explicit
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a VPU or a visual processing unit‚ is a specialised electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in frame buffer intended for output to a display. GPUs are very efficient at manipulating computer graphics‚ and their highly parallel structure makes them more effective than genera; purpose CPUs for algorithms where processing of large blocks of data is done in parallel. It is a specialized circuit designed to accelerate the image output in
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Grace Loraine M. Borres BSCOE II-3 Assignment No. 1 An internal bus serves as the communication highway of the motherboard. It links the different parts of the computer to the CPU and the main memory. Its primary task is to send data and instructions to the different parts within the motherboard‚ including the external bus. The external type of motherboard bus‚ which is also known as the expansion bus‚ serves as the interface for peripheral devices like hard disks‚ CD-ROM drives‚ and flash
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brownout‚ but implies widespread power outage. • Carabao - A water buffalo. • Chit - A restaurant bill. • Combo - A band. (Rarely used nowadays.) • Commute - Same meaning as in other forms of English‚ but is almost always used to refer to the act of taking public transportation. • Commuter - Same
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future is the thing that takes a lot of our time and efforts being computer oriented. We have to imagine‚ try to figure out what the future will bring us. We are supposed to lead our generation in looking for new and life enhancing technologies to make man ’s life easier and more enjoyable. How will it look like? [pic]THIS IS THE MOST IMPORTANT QUESTION THAT CAME TO OUR MINDS. • Will we be able to talk to our computers in the future? • Will they respond freely? • Can they understand
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Section 1 Introduction 1.1 COMMUNICATIONS Computer communications is the process of sharing data‚ programs‚ and information between two or more computers. We have discussed numerous applications that depend on communication systems‚ including: • E-mail – Provides a fast‚ efficient alternative to traditional mail by sending and receiving electronic documents. • Instant messaging – Supports direct‚ “live” electronic communication between two or more friends or buddies. • Internet
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COMPUTER CONCEPTS NATIONAL ASSOCIATION FOR THE BLIND NEW DELHI Computer Concepts Hardware & software concepts explained for persons with low or no vision for the students of Intel Technology Training Lab at National Association for the Blind‚ New Delhi Produced and Published by National Association for the Blind Sector-5‚ R.K Puram‚ New Delhi E-mail: nab@vsnl.com First Edition October 2001 Reprint: February 2005 TABLE OF CONTENTS
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ELEMENTS OF COMPUTER SYSTEM Computer System Is a complete‚ working computer. The computer system includes not only the computer‚ but also any software and peripheral devices that are necessary to make the computer function. 1. Hardware 2.Software 3.Peopleware / Live ware HARDWARE It is best described as a device that is physically connected to your computer or something that can be physically touched. INPUT DEVICE –any device that allows the person to communicate information to the computer / gives
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Operating System: An operating system (OS) is a set of software that manages computer hardware resources and provides common services for computer programs. The operating system is a vital component of the system software in a computer system. Application programs require an operating system to function. Types: 1. Real-time A real-time operating system is a multitasking operating system that aims at executing real-time applications. Real-time operating systems often use specialized scheduling
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