Computers For Class Vi Kvdiphu-Books Pdf

Computers for Class VI Kvdiphu
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Shri C Neelap,Deputy Commissioner KVS RO Guwahati,Regional Co ordination Compilation. Shri D Patle,Asstt Commissioner KVS RO Guwahati,School Co ordination. Shri S Sarkar,Principal KV IOC,Noonmati Guwahati,Subject Expert. Shri Rajendra Shakyawal,KV IOC Noonmati Guwahati,Table of Contents. 1 Month wise Syllabus 1,2 Fundamental of Computer 2.
3 Word Processing MS Word 18,4 Spreadsheet MS Excel 38. 5 Advance features of MS PowerPoint 59,6 Adobe Presenter 70. 8 Internet and Networks 81,9 Sample Papers 91,SN Unit Chapter Contents No of periods. Quarter April to June, 1 Fundamental of Review Brief history of computer Basic components of. Computer computer Different I O Devices Computer Language Software. definition and its types Computer Memory,Different types of Printers.
2 Word Processing Header and footer Formatting of paragraph Mail merge Envelop. MS Word and labels Page column Hyperlink Drop cap,Formative Assessment 1. Quarter July to September, 3 Spreadsheet MS Table creating in MS Excel and implementation various Charts. Excel Cell reference in MS Excel Sorting of data in MS Excel Filtering. data in MS Excel Conditional Formatting Workbook and. worksheet Protection of workbook and worksheet,Formative Assessment 2 Summative Assessment 1. Quarter October to December, 4 Advance features Inserting different objects i e images Word Arts audio video. of MS etc Transitions in slide Custom Animation with text Adobe 14. PowerPoint Presenter, 5 HTML Introduction to HTML Uses of HTML HTML Tags HEAD TITLE.
BODY Empty and Container Tags,Formative Assessment 3. Quarter January to March, 6 Use of Internet Overview of Internet Intranet Different types of websites Web. Browsers Opening of web pages and Web sites Use of search. engine Creation of an Email and using it Advantages and. Disadvantages of Social Media sites Networking and Networks. Formative Assessment 4 Summative Assessment 2,Fundamental of Computer. Inside this chapter Brief history of computer Basic components of computer Different I O Devices. Computer Language Software definition and its types Computer Memory Different types of Printers. A computer is an electronic device which consists of hardware and software. Hardware components describe the physical parts of the computer and software. controls hardware and run the operating system different programs applications like. Microsoft Windows Microsoft word Microsoft Excel etc. Review of brief history of Computer, 1 The history of computers starts out about 2000 years ago in Babylonia Mesopotamia. at the birth of the abacus a wooden rack holding two horizontal wires with beads. strung on them, 2 Blaise Pascal has credited the first digital computer.
in 1642 The basic principle of his calculator is still. used today in water meters and modern day, 3 Punched cards which were first successfully used with computers in 1890 by Herman. Hollerith and James Powers They developed devices,that could read the information that had been. punched into the cards automatically without human. 4 Punch card using computers created by International Business. Machines IBM Remington Burroughs These computers used. electromechanical devices in which electrical power provided. mechanical motion like turning the wheels of an adding. machine Such systems included features to, o feed in a specified number of cards automatically. o add multiply and sort,5 In 1942 John P Eckert John W Mauchly and their. associates at the Moore school of Electrical Engineering. of University of Pennsylvania decided to build a high. speed electronic computer to do the job This machine. became known as ENIAC Electrical Numerical, Integrator And Calculator and it occupied the entire.
thirty by fifty feet room, 6 ENIAC was therefore about 1 000 times faster than the. previous generation of relay computers ENIAC used, 18 000 vacuum tubes about 1 800 square feet of floor. space and consumed about 180 000 watts of electrical. 7 In 1950 magnetic core memory and the Transistor, Circuit Element of digital computers RAM capacities. increased from 8 000 to 64 000 words in commercially. available machines by the 1960s with access times of 2. to 3 MS Milliseconds, 8 In the 1980 s manufacturing of semiconductor chips. was done The Intel and Motorola Corporations were very competitive into the 1980s. although Japanese firms were making strong economic. advances especially in the area of memory chips By the. late 1980s some personal computers were run by, microprocessors that handling 32 bits of data at a time.
Basic components of Computer,Input Unit, The devices which are used to input the data and programs in the computer are known. as Input Devices Input unit accepts instructions and data from the user and converts these. instructions and data in computer acceptable format which are sent to computer system for. processing, Keyboard Keyboard is most common input device The data and. instructions are input by typing on the keyboard The message typed on. the keyboard reaches the memory unit of a computer It is connected to. a computer via a cable Apart from alphabet and numeral keys it has. other function keys for performing different functions. Mouse It is a pointing device The mouse is rolled over the mouse pad. which in turn controls the movement of the cursor in the screen You can. click double click or drag the mouse Its sensor notifies the speed of its. movements to the computer which in turn moves the cursor pointer on the. Scanner Scanners are used to enter information directly in to the. computer memory This device works like a Xerox machine The. scanner converts any type of printed or written information including. photographs into digital pulses which can be manipulated by the. Track Ball Track ball is similar to the upside down design of the mouse. The user moves the ball directly while the device itself remains. stationary The user spins the ball in various directions to effect the. screen movements, Light Pen This is an input device which is used to draw lines or figures on. a computer screen It is touched to the CRT screen where it can detect. raster on the screen as it passes, Optical Character Reader OCR It is a device which detects alpha. numeric characters printed or written on a paper The text which is to. be scanned is illuminated by a low frequency light source The light is. absorbed by the dark areas but reflected from the bright areas The. reflected light is received by the photocells, Bar Code Reader This device reads bar codes and coverts them into.
electric pulses to be processed by a computer A bar code is nothing but. data coded in form of light and dark bars, Voice Input Systems It converts spoken words to machine language. form A microphone is used to convert human speech into electric signals. The signal pattern is then transmitted to a computer when it is compared. to a dictionary of patterns that have been previously placed in a storage. unit of computer When a close match is found the word is recognized. Digital Camera It converts graphics directly into digital form An electronic. chip in used in camera when light falls on the chip though the lens it. converts light waves into electrical waves,Output Unit. Output Device produces the final results of computer into human understandable form. Output unit accepts the results produced by the computer which are in coded form and it. converts these coded results to human readable form. Monitor The monitor looks like a television screen It is also called. Visual Display Unit VDU and it is used to display information from the. computer There are coloured as well as black and white monitors The. monitor displays text and graphics Based on the technology used. monitor is classified into two types They are Cathode Ray Tube CRT. monitor and Liquid Crystal Display LCD monitor, Printer A printer is used for transferring data from the computer to. the paper There are colour printers as well as black and white. printers The different types of printers are Dot Matrix Printers Inkjet. Printer and Laser Printers,Dot matrix Printer Inkjet Printer Laser Printer. Types of Printers,Dot Matrix Printer Inkjet Printer Laser Printer.
Prints characters in the Prints fully formed Prints fully formed characters. form of dots characters, Speed 200 540 Speed 4 8 pages per Speed 4 20 pages per minute. characters per second minute,Not very expensive Moderately priced Expensive. Touch Screen A touch screen is a display screen that is sensitive to human touch It allows. the user to interact with the computer by touching pictures or words. displayed on the screen Touch screens are used to display the output. information on the screen as well as to give input by touching the words. or pictures on the screen Thus it is an input output device Touch. screens are normally used when information has to be accessed with. minimum effort, Plotter Plotter is very large in size and is used to produce graphical. output on papers It uses single or multi color pens to draw pictures as. blue print posters etc,Storage Unit, The data and instructions that are entered into the computer. system through input units have to be stored inside the computer. before the actual processing starts Similarly the results produced. by the computer after processing must also be kept somewhere. inside the computer system before being passed on to the output. units The Storage Unit or the primary main storage of a. computer system is designed to do all these things It provides space for storing data and. instructions intermediate results and for the final results. Central Processing Unit CPU, The main unit inside the computer is the CPU This unit is responsible for all events.
inside the computer It consists of Control Unit and Arithmetic and Logic unit The CPU is the. brain of any computer system In a human body all major. decisions are taken by the brain and the other parts of the. body function as directed by the brain Similarly in a. computer system all major calculations and comparisons are. made inside the CPU and it activates and controls the. operations of other units like Hard disk Printer etc of a computer system. Arithmetic and Logic Unit ALU The arithmetic and logic unit ALU is the part where actual. computations take place It consists of circuits that perform arithmetic operations e g. addition subtraction multiplication division over data received from memory and capable to. compare numbers less than equal to or greater than etc. Control Unit The control unit acts as a central nervous system for the components of the. computer It manages and coordinates the entire computer system It obtains instructions from. the program stored in main memory interprets the instructions and issues signals that cause. other units of the system to execute them the control unit directs and controls the activities of. the internal and external devices,Computer Language. A language is defined as the medium of expression of thoughts All the human beings in. this world communicate with each other by a language Similarly computer also needs some. expression medium to communicate with others, A computer follows the instructions given by the programmer to perform a specific job. To perform a particular task programmer prepares a sequence of instructions known as. program A program written for a computer is known as Software. 1 First Generation Languages 1GLs Machine language When the human being stared. programming the computer the instruction were given to it in a language that it could easily. understand is called as machine language The binary language of 1 and 0 is known as. Machine language Any instruction in this language is given in the form of 1s and 0s. 2 Second Generation Languages 2GLs Assembly Language The first language similar to. English was developed in 1950 which was known as Assembly Language or Symbolic. Programming Languages An assembly language is a low level programming language for. microprocessors CPU and other programmable devices. 3 Third Generation Languages 3GLs High Level Languages The languages developed. which were nearer to the English language in 1960 were known as High Level languages The. different high level languages are FORTRAN COBOL BASIC PASCAL PL 1 and many others. 4 Fourth Generation Languages 4GLs Query languages The 3GLs are procedural in. nature means HOW the problem get programmed and the procedures require the knowledge. of HOW the problem will be solved 4GLs are non procedural that focuses on WHAT of the. problem is coded means WHAT is required The main aim of 4GLs is to be cut down on. developed and maintenance time and making it easier for users Example of 4GL is SQL. Structured Query Language, 5 Fifth Generation Language 5GLs The 5GLs are designed to make the computer. Smarter The use of 5GLs language touches on expert systems computerized collection of. the knowledge of many human experts artificial intelligence and independently smart. computer systems Examples of 5GL are Prolog OPS5 and Mercury. Graphical User Interface GUI based languages These are the languages which use a. Graphical User Interface to write compile execute the program with ease Some of them are. Visual Basic,C Pronounced as C sharp,Visual Basic NET. Fundamental of Computer Inside this chapter Brief history of computer Basic components of computer Different I O Devices Computer Language Software definition and its types Computer Memory Different types of Printers A computer is an electronic device which consists of hardware and software

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