Click on the link to see answer :-
Sunday 18 November 2018
Saturday 17 November 2018
Monday 29 October 2018
Wednesday 26 September 2018
Class_IX_Term_1_Solved_Ques_Ans
- Class IX term 1 question link :https://drive.google.com/open?id=0B8Tbry5Qc3w9eEZaYTVjZ2llbkxVMkdOeng3TzVTZ1BxbjZF
- Class IX Term 1 Solved Ans :https://drive.google.com/open?id=0B8Tbry5Qc3w9V3N2UjNhQUc0cUttajFBREh2Tm1CMFM4RnJj
Wednesday 29 August 2018
X_chap_5
E. Short answer type questions.
a. HTML is a markup language which uses a predefined set of tags to define the characteristics of a web document.
The main characteristics of this language are:
● Easy to understand and modify.
● More flexible.
● Allows using Graphic, videos, sounds, etc.
● Platform independent language.
● Can be used simply a text editor for coding.
b. Head section of the HTML document contains information about the document such as its description, index, the name of the program used to create the document. Whereas the Body section contains information that is displayed on the web page when opened in a web browser.
c. HTML tags which have both a starting and a closing tag i.e., they appear in a pair are called container tags. These tags wrap around the text in the document to be formatted.
Empty tags have only starting tag but no closing tag. These tags are single line tags and they do not enclose any contents in it. e.g.< br > tag
e. Commonly used web browsers such as:
Windows Internet Explorer: Supports the HTML 5 video and audio tags along with the Web Open Font Format.
Google Chrome: Developed by Google Inc with the features mainly aimed to improve security, speed and stability.
Mozilla Firefox: Free and open source web application with features like tabbed browsing, spell checking, incremental find, live bookmarking, download manager and private browsing.
Apple Safari: Developed by Apple Inc. With all the latest features available for both Windows and MAC OS.
Opera: Its features include tabbed browsing, page zooming, mouse gestures and the integrated download manager.
Tuesday 28 August 2018
Class IX chapter 5
IX chapter-5
E. Short answer type questions.
a. The main components of Word Window are:
● Title Bar: Title bar is displayed at the top of Word 2010 Window which shows the name of application i.e., Microsoft Word along with the name of the currently active document. The default name of Word document is Document1.
● File Tab: This tab appears at the top left corner of Word window which gives access to the various file-related operations like opening a new or an existing document, saving or printing the currently opened document, etc.
● Quick Access Toolbar:-This toolbar is present on the left side of title bar near the office button which contains the tool buttons to perform common operations like save, undo and redo.
● Ribbon: The toolbars and menus present in the previous versions of Microsoft Word have been replaced by Ribbon in Microsoft Word 2010, which is made up of Tabs and Groups. Each tab has a set of commands present in the shape of tool buttons. These buttons are then further categorized under various groups.
● Rulers: Word has a horizontal and a vertical ruler present across the top and left side of the document respectively, which tells the width and height of the page. It also shows the margins, indents or tab positions.
● Document Area: This is the largest area in Word window where the text is entered for processing. It has a blinking line at its top left margin, called cursor which is the insertion point from where the text entry starts on the page.
● Scroll Bars: The two scroll bars in the window help to navigate in a large-sized document. The horizontal scrollbar is helpful while moving from left to right and vertical scroll bar to move from top to bottom.
● Status Bar: This bar is located at the bottom that displays the information like current page number, the template in use, zoom percentage, overtype mode, selection mode, etc.
b. To open a new blank document in Word:
● Click the File tab.
● Select New option from the first column of the backstage view.
● A New Document dialog box will appear as shown in the figure.
● Select the Blank Document option from the Blank and Recent Section.
● Click on the Create button.
c. Find & Replace option is used to search specific text in the document and if needed it can be replaced with the new text using this option.
d. Character formatting helps to emphasise the text to improve its readability and appearance. To change the font style of the existing text select Font group select the required font style.
e. Copying means repeating the selected text at the new location without removing it from the original location, whereas moving means shifting the existing text to the new location.
f. Headers and Footers are the standard information which appear at the top or at the bottom of each page in the document. To add them in the Word document use Header or Footer options in the Insert tab.
g. To change the line spacing of the paragraph text:
g. To change the line spacing of the paragraph text:
● Select the paragraph whose spacing is to be changed.
● Open Paragraph dialog box by clicking the dialog box launcher at the lower right corner of Paragraph group.
● Open Paragraph dialog box.
● Under the Spacing section on the Indents and Spacing tab choose the required line spacing from the drop box as needed.
h. The difference between bulleted and numbered list are:
● In the numbered list, each item is marked with a unique number or alphabet whereas in the bulleted list each item is marked with the same symbol.
● In the numbered list, each item appears at a specific position in the list whereas in bulleted list there is no specific order of the items in the list.
i. Page margins are the space between the page boundary and the text entered in it.
To change margins in the Word document:
● Click Page Layout 
Page Setup Margins option.
Page Setup Margins option.
● Select the margins from the drop down list.
j. Symbols option in Word is used to insert special symbols in the document which are not available on the keyboard.
To insert the required symbols in your document:
● Select the Insert tab and click Symbol ( 
) drop option on the Symbols group.
) drop option on the Symbols group.
● Some standard symbols will appear in the drop list. Click the one you want to use and the selected symbol will appear at the insertion point.
● If you want to use some other special symbols which are not there in the list, click More Symbols option in the drop list to open Symbol dialog box as shown in figure.
● Choose the required symbol or special character to be inserted and click Insert button.
F. Long answer type questions.
a. (i) Left (ii) Superscript
(iii) Bold, centered, underlined, Font color, size
(iv) Find and replace
(v) Numbered list
b. Text editors are used to create unformatted text document i.e., a text editor does not provide the features like page settings, character formatting, etc. So it is mainly used for creating source code of the program whereas a word processing application provides many powerful features and tools for creating , editing and formatting sophisticated text documents like letters, reports, books, etc.
c. Advantages of using word processing application over the traditional documentation system.
Speed: Documentation is easier and quicker in word processing applications.
Easy to Edit: Document editing is easier in word processing applications.
Character Formatting: This feature allows character formatting features to give attractive look to the document.
Graphical Support: using this application, graphics can also be inserted in the text document.
Storage: Document can be stored permanently into the storage device for later use and printed multiple times.
Object-Linking and Embedding (OLE): This feature allows to add objects like a video clip, audio, chart, image, etc in the document.
Useful Tools: There are many built-in tools like spelling and grammar checker, mail merge, print preview which are helpful in doing specialised job for correcting spelling or grammatical errors, viewing the document before printing or generating multiple individual letters using mail merge.
d. The text editing features available in Word Processor are:
● Copying: Using this feature the text entered in the document can be copied to different locations without affecting the original text.
● Moving: This feature allows to move the selected text from one place to another.
● Find and Replace: This is one of the powerful text editing features which helps to search specific text in the document and if needed it can be replaced quickly with new text.
● Undo and Redo: Using these editing features the wrong actions can be undone easily and if an undone action needed can be repeated again.
e. Various character formatting tools are:
● Font Type: Using this tool we can easily change the font face.
● Font Size: Size tool can be used to change the text size.
● Special formatting tools: Three special formats i.e., Bold, Italics and Underline can also be applied on the selected text.
● Aligning tools: Text alignment tools can be used to change the current text alignment as Left, right , center and justified.
● Text color: This tool helps to change the colour of selected text.
f. Page formatting help to change the page settings. The various page setting options are:
● Page Size: To select the proper page size on which the hard output is to be obtained. You can also select customized size by specifying height and width of the paper.
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● Page orientation: the two types of orientations i.e., Portrait and Landscape are used to print height-wise or width-wise.
● Margins: Margins settings can be changed to set left, right, top or bottom margins. g. (i) Add bold effect to the line title i.e., sub.
(ii) By selecting the letter body text and clicking Justify tool button on the Paragraph group.
(iii) Click Home Paragraph Paragraph dialog box option to open paragraph dialog box and in it, using Line Spacing section on the Indents and Spacing tab.
Paragraph Paragraph dialog box option to open paragraph dialog box and in it, using Line Spacing section on the Indents and Spacing tab.
(iv) Select both the paragraphs and on the Indent and spacing tab in the Paragraph dialog box, by adding first line indentation.
G. Application oriented questions.
a. Computerized
● Text can be edited and formatted as needed.
● Hard copy can be produced multiple times.
● New documents can be created using an existing document.
● Errors like spellings and grammar errors can be corrected easily.
● Supported by graphics.
Manual
● The document can be printed directly. No need of printer.
● No need to learn the use of any computer applications.
● Cost effective.
● No storage of the document.
● Graphical objects cannot be used.
Based on the above points, we can easily conclude that computerized word processing is much more beneficial over the manual documentation.
b. Rayan can use Header/Footer option in the Header & Footer group in the Insert tab to add such information which will automatically repeated on each page of the document.
c. Mr. Sharma can use Bullets and Numbering feature to create a bulleted list of ingredients which automatically arrange the items in an orderly manner.
d. She can use Symbol option in the Insert tab which provides a set of characters that are not available on the keyboard.
e. Mr Dhar can use subscript formatting feature of Word to show these characters below the normal baseline.
f. Kunal can use Ctrl+U keyboard shortcut to underline the text.
g. Equation of Symbols group in the Insert tab.
h. Landscape
Saturday 14 July 2018
IX chapter - 3
IX : Chapter3
A. Very short answer type questions.
a. Hardware and software are the two major components of the computer system.
b. The operating system is loaded in the main memory during the booting process.
c. Example for CUI is MS-DOS and GUI is Windows 7.
d. Bharat Operating System Solutions (BOSS) operating system is developed in India by C-DAC.
e. The three categories of software with one example of each category are :
System software e.g. MS-Windows 7,
Application Software e.g., MS-Word 2010 and Utility Software e.g., McAfee.
f. Disk Defragmenter is utility software helps to store the scattered files in the contiguous memory blocks.
g. MS-PowerPoint and OpenOffice.org- Impress are two softwares which are used for creating multimedia presentations.
h. Interpreter is language processor converts a high level language program line by line into machine executable codes.. e.g., BASIC.
B. Short answer type questions.
a. Hardware
● Physical components of computer which can be seen or touch.
● e.g., mouse, lightpen.
Software
● Cannot be seen or touched. They are set of programs stored in computer.
● e.g., MS-Windows 7, MS- Paint. b. The use of system software:
● Controls the internal functioning of the computer system.
● Coordinates the working of various hardware components.
● Acts as an interface between hardware and user.
c. CUI
● Stands for Character User Interface.
● User has to type commands to give instructions to the computer.
● It is different to use.
● e.g., MS-Dos , UNIX
GUI
● Stands for Graphical User Interface.
● User use various graphical components like menus, icons, buttons, etc. To give commands to the computer.
● It is user-friendly.
● e.g., MS-Windows 7, LINUX, BOSS, etc. d. Role of Device Driver:
● It enables the hardware device to interact with computer.
● Helps to understand the way the device will function in the computer system. e. Application software
2
● Application software are the set of programs designed to handle a specific users job or task.
● e.g., MS-Office
Utility software
● Utility Software are used to perform the maintenance and housekeeping functions of computer like checking or removing virus, recovering deleted files , etc.
● e.g., Quick Heal, Disk defragmenters.
f. The two types of Application softwares are:
General Purpose Application Softwares: These type of softwares are capable of handling general user problems like documentation, database management, etc. e.g., MS-Word, MSPowerPoint.
Customised Application Softwares: These type of softwares are designed as per the requirements of a particular user after studying their needs like billing system, fee collection system, etc. e.g., Billing System, Inventory management.
g. (i) Operating system: Operating system is one of the system softwares that runs the computer by managing its different resources like processor, input/output, storage devices, etc. and acts as an interface between user and computer. e.g., MS-Windows 7, LINUX, BOSS, etc.
(ii) Assembler: It translates an assembly language program to its corresponding machine code.
Device driver: It is a software that enables the hardware device to interact with the computer.
(iii) Antivirus: It is a utility softare which is used to locate and remove viruses from computer system. e.g., QuickHeal, McAfee.
(iv) Defragmentation: Process of locating the non-contiguous fragments of data into which a computer file may be divided is stored on a hard disc.
C. Long answer type questions.
a. Language processor are system software converts the user program into the binary codes so that machine can understand user problem to solve them.
Various language processors are:
Compiler: It converts high level language program into machine codes in one go.
Interpreter: It converts high level language to machine code, line by line.
Assembler: It translates an assembly language program to its corresponding machine code. b. Some Utility softwares are:
● Antivirus software: protects the computer from attack of viruses. e.g., QuickHeal, McAfee.
● Backup Utility: helps to keep the duplicate copy of important information in some external storage device from where it can be recovered in case of some mishappenings. e.g., backup Exec.
● Compression Utility: Compress large files so that they take less space in the storage device. e.g., WINRAR.
● Disk Defragmenter: It helps to remove the memory gaps to enhance the data access speed of the computer system.
● Encryption and Decryption Tool: Encryption is the process of converting sensitive information into the encoded form. Decryption is the process of converting the encoded information to its original form.
c. Customised application softwares are very costly as compared to general purpose softwares because for their development, various software teams are established, software developers and testers are hired. Facility has to be created for development job.
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D. Application oriented questions.
a. He should install various graphics designing softwares like PageMaker, Adobe Photoshop, CorelDraw, Indesign, Illustrator, etc.
b. (i) 5
(ii) 3
(iii) 4
(iv) 1
(v) 2
c. Arjun computer is going to be attacked by the virus to his computer work very slow and lots of problems come to him to do any task so he has to use Antivirus software to rectify this problem.
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