Uses of Computers in different Fields Our daily encounters with and dependence upon technology is almost invisible as it takes the shape of electronic climate control system‚ wireless communication systems such as phones and pagers‚ automatic tellers to dispense money. Magnetically striped cards to facilitate consumer transactions‚ cable and satellite television‚ auto mobiles and mass transit. Free trade agreements have led to globalization of commerce and scientific debate about global
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Computer science From Wikipedia‚ the free encyclopedia Computer science (abbreviated CS or CompSci) is the scientific and practical approach to computation and its applications. It is the systematic study of the feasibility‚ structure‚ expression‚ and mechanization of the methodical processes (or algorithms) that underlie the acquisition‚ representation‚ processing‚ storage‚ communication of‚ and access to information‚ whether such information is encoded in bits and bytes in a computer memory or
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Computer viruses are‚ like their biological namesake‚ programs that infect your system and multiply. Viruses have many symptoms: some can simply slow down your computer whilst others can have more severe effects like moving documents and/or deletion of documents or programs. No matter the severity of the virus and its symptoms they should be dealt with by an up-to-date anti-virus program and security software‚ as systems with out-of-date protection are more susceptible and at risk. Computer viruses
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Laptop Computer vs. Desktop Computer A laptop is a computer which is designed to be portable. Usually this entails making sacrifices in terms of performance and utility. Laptops are intended for people who travel a lot and need a computer which can go with them. A desktop computer is meant to be stationary. This usually results in a lower price and better options for upgrading. Desktops are intended for permanent workstations and generally have more power and storage capacity than laptops.
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13 Prof. Anatoly Sachenko Computer Hardware I. LECTURE OVERVIEW Foundation Concepts: Computer Hardware‚ reviews trends and developments in microcomputer‚ midrange‚ and mainframe computer systems; basic computer system concepts; and the major types of technologies used in peripheral devices for computer input‚ output‚ and storage. Computer Systems – Major types of computer systems are summarized in Figure 13.2. A computer is a system of information processing components that perform
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Lungsod ng Maynila UNIVERSIDAD DE MANILA Mehan Gardens‚ Manila SYLLABUS Course Code: CSC 010 Course Title: Computer Fundamentals Prerequisite (if any): None Unit Course: 3 Units 1.0 Course Description: It delves with the history and nature of computers‚ its developments‚ applications and types. It also includes the basic components of the computer system‚ the number systems and conversions‚ the elements of the Electronic Data Processing (EDP) system‚ the different Disk Operating
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THE HISTORY OF COMPUTER VIRUSES A Bit of Archeology There are lots and lots of opinions on the date of birth of the first computer virus. I know for sure just that there were no viruses on the Babbidge machine‚ but the Univac 1108 and IBM 360/370 already had them ("Pervading Animal" and "Christmas tree"). Therefore the first virus was born in the very beginning of 1970s or even in the end of 1960s‚ although nobody was calling it a virus then. And with that consider the topic of the extinct fossil
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Computer Networks NETWORKING CONCEPTS Network A network is basically an interconnection of various points to make a connected system e.g Road‚ Telephone‚ Social Data Network A computer network therefore refers to an interconnection of computers and other peripherals by use of a communication link Peer to Peer Networks In a peer-to-peer network‚ all computers are considered equal; they all have the same abilities to use the resources available on the network. Peer-to-peer networks are designed
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Computer Virus “A true virus cannot spread to another computer without human assistance.” Computer virus has now become widespread. It’s almost everywhere in every computer. It is one of the major problems of the computer users. Viruses are like the disease of the computer. Letting the virus in it can cause harm or even destroy all files stored in the computer. Virus infection costs millions even billions of money if virus penetrates into major servers like government database system
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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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