two trains running in opposite directions cross a stationary pole in 25 seconds and 15 seconds respectively. and they cross each other in 18 seconds. the ratio of their lengths is?
Answers
Ans 6. Components of Libre office suite:
Writer: it is used for creating letters, books, blogs and also reports.
Calc: It is used for financial and mathematical function.
Impress
In impress we can create digital presentation. We can give special effect animation as well as a drawing tool (slide transition, text animation, colour background and image, shapes, videos, audio)
Components of Libre office suite:
1. Writer: it is used for creating letters, books, blogs and also reports.
2. Calc: It is used for financial and mathematical function. we can use different types of graphs to analayse or respresent the data.
3. Impress
In impress we can create digital presentation. We can give special effect animation as well as a drawing tool (slide transition, text animation, colour background and image, shapes, videos, audio)
Ans 7. There are several limitations to using a manual typewriter, which are as given below.
1. In case of any typing error, the whole sheet is required to be typed again.
2. To send same letter to two or more persons with different addresses requires multiple typing efforts.
3. Typewriter does not have all the required characters or symbols. It is not possible to type all the characters using the typewriter.
4. It is not possible to produce a document in the desired format using a typewriter.
In the year 1974 Xerox company had introduced an electronic typewriter, as an attempt to solve the problems of the manual typewriter to some extent.
1. In electronic typewriter, it is possible to make changes in the content
2. make multiple copies with minor changes.
3. But it has a limitation of very small size screen to display the contents.
4. Its screen can view only one or two lines.
In late 1970s, with the development of
computer software technology, word processing software was introduced. In this software the document can be navigated, edited, formatted and printed. The modern word processors take advantage of a GUI (graphical user interface) providing some form of what-you-see-is-what-you-get (WYSIWYG) editing. This means, the special effects on text are also visible on the screen.
Some of the features provided by popular word processors are as listed below.
1. Create, edit, save, retrieve and print the document
2. Select and move the text from one place to another in the document
3. Copy the text to other places within the document
4. Move or copy a selected text from one document to any other document
5. Change the font size, font style of the text in the document
6. Format paragraphs as well as pages
7. Check spelling and grammar
8. Create table, modify the size of the selected rows, columns or cells
9. Combine one or more documents
10. Insert pictures or graphs within the document
11. Print the selected text or selected pages of the document
Word processors are being used in the business, home, and education, i.e., in schools and colleges for preparing letters, reports, and many other different types of documents. Students use it for preparing project reports and assignments. Teachers use word processors for preparing question papers and notes.
Ans no 8. There are three types of view avilable in libre office to display content.
1. Print layout view : Print Layout is the default view. You can use the zoom slider to adjust magnification and view layout icons in the status bar to change page view.
2. Web layout view: In Web Layout view you can use the zoom slider but the layout icons are disabled.
3. Full screen view: In Full Screen mode the document is displayed in the selected view (Print or Web) but the document fills the entire screen. Toolbars and sidebar are not displayed.
Ans 9. There are various options available to select the text in a document.
1. We can select all text from edit menu.
2. We can use Shift + Arrow key to select the text of our own choice.
3. Or we can use Ctrl + A key to select all text.
4. We can also use the mouse to select the text in a document by holding the left click of mouse from the starting text position to the desired text position.
Ans 10. Special characters are non alphabetic or non numeric characters are known as special characters Example: @,#,$,&, etc. We can insert special character from Symbol section under Insert Menu.