We Are Computer Dependent Now
Computer has practically influenced every field of life. Earlier, computers were used by scientists and engineers for complex calculations and were very costly. Now a days computer are available at every individual. Computer has virtually become the need, since its vast usage in banks, hospitals, railways, shopping complex, schools and colleges, homes etc. The list is endless. Rather It is more appropriate to say that we are computer dependent now.
The word computer has been taken from word “COMPUTE” that means to calculate. Computer has influenced every field of life. Computers are versatile and can handle multiple applications like Documentation, Accounting, Budgeting, Designing, Weather, Forecasting etc at a time. It can store the number and instruction and do the computation again and again. Computer is used for prepare results or the marks obtained by various student in various subjects.
COMPUTER
Computer is an electronic device in which we can feed data, read data, write data, compare data and gives the desired result.
- C : COMMON
- O : OPERATING
- M : MACHINE
- P : PARTICULARLY
- U : USED FOR
- T : TRADE
- E : EDUCATION
- R : RESEARCH
Here we can say that the computer is a commonly operating machine particularly used for technology and educational research. It can perform tasks such as coping, moving, comparing and performing non-arithematic operations or alphabetical, numerical and other symbols used to represent objects.
COMPUTER CHARACTERISTICS
- Speed:~ Computer can do calculations at the superfast speed without any mistake. A modern computer can execute about thirty million instructions in one second.
- Accuracy:~ Computer never gives wrong results nature. Infact the most computer errors are crused due to wrong input of data and instructions.
- Diligence:~ It is away from basic human nature. It never bored or tired and it can work for long times without creating any error.
- Storage Capacity:~ It can store a large amount of information in a very small space. We can display the stored information whenever desired.
- Versatility:~ It is one of the most wonderful thing about computer. It can do various jobs at one time.
- Automatic:~ They are capable of automatically performing repitive or long process without making any errors.
- Power Of Remembering:~ It can store or recall any information as well as when we required. Computer does not make any guess or forget.
LIMITATIONS OF COMPUTER
- No Feelings:~ Computers are not living. Hence, can’t make judgement of its own. Its instructions are based on information given to it in form of program.
- It is Dumb:~ Computer posses no intelligence of it’s own. It’s I.Q. is zero. Computer can’t take it’s own decision in this regard.
COMPUTER's STRCUTURE
- Input Unit:~ Input unit is responsible for taking input and converting it into computer understandable form. Input unit are Keyboard, Mouse. Light Pen, joy stick, Magnetic Disk, Floppy disk etc.
- Output Unit:~ An output unit allows processed information to be output from the computer. Its coming from the CPU in the form of binary signals which needs conversion in human understandable form. Output devices are Monitor, printer, Speaker, Coder, Plotter etc.
- CPU:~ Centrol Processing Unit is the brain of the computers. Without CPU our data can’t be stored or processed. This is used to store program or data and obey the instructions contained in program. It is divided into three parts.
- Control Unit
- Memory Unit
- Arithmatic and Logical Unit
HERE YOU CAN READ SOMETHING ABOUT WINDOWS
Windows is an operating system. And an operating system is a program that acts an interface between he user and the computer hardware and controls the executions of all kinds of program.
Windows is a GUI i.e. Graphical User Interface. Windows gives a flexible environment is responsible for interacting with user through icons.
SOME GOOD POINTS OF WINDOWS
There are some features of Windows:
- My Computer:~ My computer allows us to look at the resources available to us on our computer. It provides direct access to all of our Local Drives, Printers, Control Panel, and the Dial-Up Networking Utility.
- Recycle Bin:~ Recycle Bin is the same as dustbin at your home. Anything which is waste or not needed is to put in the dustbin. Similarly windows provide this facility through recycle bin. When any data or record is not required you give a delete command and as a result window puts it in the recycle bin. Recycle bin is a facility to restore the data back to its original location by selecting the required option.
- Taskbar:~ It displays all open applications and windows. The taskbar provides information and access to entire task undertaken using it one can keep track of all activated programs and switch between them. The quick Launch Toolbar, as a part of taskbar, launches Internet Explorer and outlook Express quickly.
- Windows Explorer:~ Windows Explorer is the File Manager as in windows but it ahs many more features and is more efficient, faster and easy to work. It manipulates our resources at a deeper level than is provided by My computer or Networking Neighborhood alone. In addition to derive, folder and fill listing, Windows Explorer can display information such as
- The current Print Job.
- Description of Control Panel Tools.
- The amount of space available on Local and Network Drives.
- Run:~ This utility on windows is used to run a program or open a folder by using an MS-DOS command.
- Help:~ It provides on On-Line help about windows.
- Find:~ It is used to search files/folders available on the system or across a network.
- Settings:~ System settings options that can be changed such as control panel, printers and taskbar.
- Documents:~ In windows, the facilities is provided of the list of the 15 most recently opened documents.
- Favorites:~ Displays a list of websites and other resources that you have chosen to add to the Favorites list.
- Program:~ List of Programs installed on your computer.
- Windows Update:~ It download and install files from Microsoft’s internet site to upgrade our copy of windows.
- The start Button:~ In windows the start button gives you access to all the programs that come with windows. As we see, it is located at the bottom left part of the screen on the taskbar and is always visible when windows is running. On clicking it, a list of options Pop-Up in a menu.
- Log-Off:~ In Windows, it allows another user to Log-On if windows is set up for multiple users.
- Shutdown:~ In windows, the facilities is provided with this option to shutdown or restart the computer.
HERE YOU CAN MAKE NOTES IN TEXT FORMAT : NOTEPAD
Notepad is a basic text editor that we can use to create simple documents. The most common use of Notepad is to view or edit text files, but many users find Notepad a simple tool for creating web pages.
Notepad supports only very basic formatting. We can not accidentally save special formatting in documents that need to remain pure text. This is specially when creating HTML (Hyper Text Markup Language) documents for web pages because special characters or other formatting may not appear in our published web page or may even cause errors.
WE CAN SAVE OUR NOTEMAD FILES AS UNICODE, ANSI AND UTF-8 CODE.
SOME GOOD POINTS IN NOTEPAD
- Wrap:~ On the format menu, a check mark appears when word wraps is turned on. Wrapping text enables us to see all the text on the line, but it does not affect the way the text appears when it is printed.
- New:~ It is a File menu option to open or to create a new file.
- Save:~ It is also a file menu option and it is used to save the current file.
- Font:~ It is used to change the front of the text of a file.
- View:~ Its is used to view or see the status bar. Status Bar helps in describing lines means line number and Column number.
- Help:~ It is used to help about the specific topic
- Find:~ It is used to find a particular word or a particular character in the text file.
- Go To Line:~ We can use this option of we want to jump to any beginning at the top of the document.
- Replace:~ We can find word, text or other character and replace the found text, character or word with a specified word or text.
- Page Setup:~ It is used to setup the page setting before printing.
The page can be setup including the margins, page- layout, paper size and the printer’s paper source.
HERE IS PAINT BRUSH
Paint brush is drawing tool we can use to create simple or elaborate drawing. These drawings can be either black or white or color and can be saved as bit map files. We can print our drawing. In paint, we can set desktop background through making this file. And we can paste file on another document. We can use paint to view and edit scanned photos.
We can also use paint to work with pictures such as .jpg, .gif or .bmp files. We can paste a Paint picture in to another document.
SOME GODD POINTS OF PAINT BRUSH
- It is used transfer our mental images in to pictures.
- It is used to create Logos for our Business Letters.
- We can create our own clip art.
- Through Paint, we can create pictures for our home or office.
- Through Paint, We can create entertainment by making pictures.
HERE YOU CAN READ HOW TO START THE PAINT ?
- Click on the start Button.
- Click Programs.
- Click Accessories.
- Click on Paint.
Then Paint Dialog Box will display.
TOOLBOX
- Free From Select:~ It is used to cut an object or portion of an object.
- Select:~ It is used to cut the object in a rectangle.
- Eraser:~ It is used to erase the extra lines.
- Fill with color:~ It is used to fill the color in the object.
- Pick color:~ It is used to pick up a color on your painting.
- Magnifier:~ It is used to make the object look bigger when placed on it.
- Pencil:~ It is used to draw free hand drawing.
- Brush:~ It is used to paint the object which we want.
- Airbrush:~ It works like a spraying brush.
- Text:~ It is used to write any text like heading of your drawing.
- Line:~ It is used to draw a straight line.
- Curve:~ It is used to draw curves.
- Rectangle:~ It is used to draw rectangles.
- Polygon:~ It is used to draw curves.
- Ellipse:~ It is used to draw an egg shaped object.
- Rounded Rectangle:~ It is used to draw a rectangle with rounded corners.
HERE YOU CAN READ ABOUT MICROSOFT WORD : THE BEST WORD EDITOR
We all know that word is the most popular word processor on the market. And in personal life or in an office environment, writing of letters, documents or memos etc is an essential activity. Such writing involves drafting, checking spellings and grammatical errors, editing and revising the contents and final typing. The entire process is called word processing.
Naturally there are many software packages which make word processing an easy talk. Some of these are based on DOS environment. Word Star, word perfect and professional write are some DOS based word processing packages.
In MICROSOFT WORD, we can easily create document, edit a document and save the document. Editing a document means correcting the spelling and grammar mistakes if any, deleting or moving words, sentences or paragraphs.
SOME GOOD POINTS OF MICROSOFT WORD
There are following main good points are:
- Text is typed in to the computer and so changes can be made easily.
- It is user-friendly, efficient and powerful package.
- MICROSOFT WORD in windows document can be directly e-mailed through internet explorer.
- Changing the size of the magazine automatically reformats complete document or part or text.
- Font size and style of fonts can be easily changed. Page numbers and Header & Footer can be added.
- Spellings can be checked and corrections made automatically in the entire document. Word count and other statistics can be generated.
- Text can be formatted in column style as in a newspaper. Text books can also be created.
- Tables can be made and included in the body of the text.
- MICROSOFT WORD also offers the mail-merge facility.
INSIDE MICROSOFT WORD
One can enter MS-WORD or start using it in following steps:-
- First take the mouse pointer to START button on the taskbar, CLICK the left mouse. The Monitor will display the start menu.
- Now move the pointer to PROGRAMS. Another menu will come up to right.
- In this menu locate where MCROSOFT WORD is placed. Move the pointer horizontally to come out Of PROGRAMS.
- Move I to the rectangular are meant for MICROSOFT WORD. Click the left mouse button on it. The computer will start MS-WORD.
- The screen will display.
COMPONENTS OF MICROSOFT WORD
WHEN SCREEN STARTS OPEN
- Title Bar:- The title bar shows name of the currently active document. Like other windows applications, it can be used to alter the size and location of the word window.
- Tool Bar:- MS-WORD has a number of toolbars that help the user to do a task faster and with ease. Two of such most commonly toolbars are the Formatting Tool Bar and the Title Bar. Any toolbar, can be made ON or OFF through the toolbar option of view menu at any time.
- Ruler Bar:- the ruler bar allows formatting the vertical alignment of the text in a document.
- Status Bar:- The status Bar displays information about the currently active document. This includes current page number, column and line number of the cursor position and so on.
- Scroll Bar:- The Scroll Bar scrolls up or down the current or body of document. One can use the elevator button along the scroll bar or click on the buttons with the arrow marked on them to move up and down and left and right of a page.
- Work Space:- The Workspace is the area in the document window where the text of the document is being typed or entered.
- Menu bar:- It is a bar having the name of commands (also called menu ) such as File, Edit, View, Insert, Format etc. through which a program runs. It appears below the title bar.
OPTIONS ON MAIN MENU BAR
The Main Menu Bar of MICROSOFT Word consist of several functional options.
FILE MENU:-
- New:- MS-WORD file menu’s this option is used or create a new file.
- Open:- It is used to open an existing file.
- Close:- It is used to close a file.
- Save:- It is used to save a file.
- Save as:- It is used to make a duplicate copy or file of an existing file with different name.
- Page setup:- It is used to set a margins, paper size and page layout of our document.
- Print Preview:- It is used to see the preview of the document before printed it.
- Print:- It is used to print the document.
- Sent To:- It is used to send mail through MS-WORD.
EDIT MENU
With this option one can perform editing functions such a cut, copy, paste, find and replace etc.
Cut, Copy and Paste:- After we select the text, we can copy or cut and move that text to a different location. For Copy & paste we have to follow these sommands:-
- Select the text to be copied.
- Choose the Copy option from the Edit menu.
- Bring the cursor to the new location where the text has to appear.
- Choose the paste option from the Edit menu. The difference between Cut & Copy is that, in Cut the text is removed that position but in Copy text is not removed.
Undo & Redo:- Undo reverses the changes made in a document. Redo repeats the action performed earlier. Redo reverse the Undo command.
Find & Replace Text:- When searching through extremely long documents, word’s this facility come in handy. To find any text, character or word, we use this option, and through this Go to Tab option we can go on any bookmark, endnote, footnote etc. For Find & replace option we have to follow these commands.
- Click on Edit from the menu bar.
- Then Click on find, the dialog box will display.
- Type the text to be searched (i.e. India 0.
- Click on Find next.
- Click at replace tab option on the top left hand corner.
- Type the text, which will replace the text( i.e. Bharat).
- Click on Replace or Replace All, as per the requirement. Whatever, India appears in the text; it will be replaced by Bharat.
- Click on close to resume editing.
Paste Special:- Through this the data will replaced as a paste Special. Through copy and paste, excels worksheet can be paste in To Word document. But the changes will make in Excel Worksheets are not changing the data as well as in word. Therefore to overcome this problem, Paste Special is used.
VIEW MENU:
A word document can be of many pages. The different pages may have different modes. Each mode has its limitation. For example, in normal mode, A graphic picture can not be shown. It can only be displayed in the page layout mode. Therefore to change the view(mode) View option is used.
Header & Footer:- A Header contains text that appears at the top off our document pages. And footer contains text that appears at the bottom of our document pages. Word enables us to insert Header & Footer in our reports with ease. We can format and align text, add page numbers, insert the current date and time, show graphics, clip art with in the boundaries of the Header & Footer.
Symbol:- A symbol is a special character that does not appear on the standard keyboard. MS-WORD provides this facility to insert special symbol in text Menu options.
Footnotes & Endnotes:- Footnotes contains text that appears at the bottom of the page. And Endnotes are Footnotes that appears in the end of our documents.
Font:- We use Font to determine the good way of our characters look, from their size to their curliness to their elegance in the document.
Tab Setting:- MS-Word is also provides the facilities of Tab Setting to tab stop position alignment ( left, decimal, centre, bar, right) and leader. The leader is a character that MS-Word uses in a tab’s blank area.
Creating Multiple Columns on a Page:- when we want to create newspaper-style column such as those that appear in newsletter and brochures-configure MS-WORD to format out text with multiple columns. Through this we can assign multiple columns to the entire document or only a selected part of our-document.
Drop Caps:- As one can see MS-WORD has a lot Of options to design the text. In addition to ‘ALL Caps’ and ‘Small Caps’ option from the ‘Font’ dialog box, one can also use ‘Drop Caps’ to decorate the text.
Auto Correct:- Auto Correct is a MS-WORD features that corrects our documents are we type it. Word will automatically correct some types as we type them.
Insert Table:- Table is a special features of MS-WORD which helps in presentation of data and information in a tabular form. This is useful in a report along with text for better understanding of the data. For this select Table menu, Insert, Table MS-WORD displays the dialog box of Insert table. Then give the number of rows and number of column. Click Ok.
Formula Features:- Most of the times, tables are used to present numerical data. It may become necessary to carry out different mathematical operation.
MS-WORD formula feature provides the facility to calculate desired values and put them in paper class.
Mail merge:- mail merge is the process of copying select information from one document to another document. Many times one wants to send a letter to many persons at different addresses. The content is same for all. Sometimes the number of such persons, may be in thousands i.e. office circulass share-holders. Meeting notice etc. for this word’s mail merge facilities is used. It saves great amount of labors, time and money.
Data source:- this is an organized collection of information. All data sources contain records and files.
Main Document:- this is a file in which the contents of the document variable merge fields are fitted in. these merge fields come from the data source which is merged into main document.
(i) creating the main document:-
1. We click the new button on the toolbar to create a new document.
2. Choose tools and click mail merge. Mail merge helper dialog box is displayed.
3. Click the create button and then choose main document type i.e. form letters, envelopes.
4. When you select form letter. A message window is displayed.
(ii) Creating data sources:- we can either create a new data source or open the existing data source.
1. In mail merge helper dialog box click on ‘get data’.
2. Select create data source for new data source or open data source for existing one.
3. Clicking on create data source. Create data source provides us with a list of suggested field names.
4. We can remove the field which we don’t want to use by clicking once on the field name and then on remove field name.
5. To rearrange filed names, we click on the field name and click on the noise button to move it.
6. Click Ok. The save data source dialog box appears.
7. The write the name of the data source and click Ok.
8. After that a dialog box comes on the screen. To enter record, we click on edit data source. The data from dialog box appears.
9. This will have fields an specified in data source.
10. We return to the main document with the mail merge toolbar present on the screen.
(iii) Creating the merged Document:- Before merging we have data source on the main document. You would notice an additional Toolbar called the mail merge toolbar on your screen.
1. Place the cursor is the main document where you want the field to appear.
2. Click on insert merge field on the mail merge toolbar.
3. Select the field to be merged.
4. We repeat the above steps to insert rest fields.