Namma Kalvi.

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1 Namma Kalvi COMPUTER APPLICATION PUBLIC EXAM ANSWER KEY PART - A I Choose the correct answer 10x1=10 1. c. warm booting 6. d. All the above 11. d..css 2. c. Giga 7. d b. F5 3. b. VGA connector 8. b. <> 13. d a. System Software 9. c. Highlight 14. c. Library Function 5. a. Title Bar 10. a. IMG 15. d. Worms PART - B II Answer the following 6x2= Computers are electronic devices that accept data as input, process it, produce output and stores it for future reference. 17. Open Source refers to a program or software in which the source code is available in the web to the general public free of cost. 18. Pre-defined functions are already defined in the JavaScript library which are also called Library functions. For example isnan(), touppercase(),etc 19. Cell pointer is a rectangle box which can be moved around the worksheet. The cell in which the cell pointer is currently located is known as Active cell. 20. Container Elements: The tags which are required opening and closing tag For example: <html> </html> Empty Elements: The tags which are required only opening tag For example: <br> 21. HTML supports three types of lists viz. numbered, unnumbered and definition. These lists are called as Ordered List, Unordered List and Definition List respectively. 22. Output 1. Keyboard 2. Monitor 3. Speaker 23. There are Popular Image Formal GIF (Graphical Interchange Format) JPEG (Joint Photographic Experts Group) PNG (Portable Network Graphics) SVG (Scalable Vector Graphics) 24. Compulsory Question Left - Ctrl + L Right - Ctrl + R Center - Ctrl + E Justified - Ctrl + J

2 PART- C III Answer the following 6x3= Add Subtract a b Mobile Operating Systems are Apple ios and Google Android. Android Android is a mobile operating system developed by Google, based on Linux and designed primarily for touch screen mobile devices such as smart phones and tablets. Apple ios ios (formerly iphone OS) is a mobile Operating System created and developed by Apple Inc 27.Different between Thunderbird and firefox Thunderbird Default/ in-built Software in Ubuntu gives the user access to such as Exchange, Gmail, Hotmail, etc. 28. There are two different Page orientations: Landscape and Portrait Landscape - The width of the document is more than the height. Portrait - The height of the document is more than the width. This is the most common and default orientation. 29. Webpage Website Consists of a Single document A collection of multiple documents displayed by a browser displayable by a browser Shares a unique domain name Has its own unique domain name Makes up a website Contains one or more webpages 30. OUTPUT: You are eligible to get Driving Licence Firefox Default/ in-built Web Browser in Ubuntu Give the user access internet to search information 31. Advantages of CSS Maintainability -CSS are also defined and stored as separate files. So, the style and appearance of a web page can be dynamically changed and maintain with less effort. Reusability - The styles defined in CSS can be reused in multiple HTML pages. Easy to understand - The tags in web pages are well organized with style specifications and therefore it is easy to understand. 32. JavaScript can be implemented using <script>... </script> tags. It can be placed anywhere within in the web page, but it is normally recommended that should be kept it within the <head> tags. The <script> tag alerts the browser program to start interpreting all the text between these tags as a script commands. 33. Compulsory Question HTML CODE: <html> <body> <marquee> Welcome to HTML </marquee> </body> </html>

PART D IV Answer the following 5x5=35 34. a.

3 PART D IV Answer the following 5x5= a. Basic Component of computer Explain: Input Unit Central Processing Unit o The CPU has three components which are Control unit, Arithmetic and logic unit (ALU) and Memory unit Output Unit Memory Unit DIAGRAM: b. Convert (155)10 into Binary, Octal, Hexadecimal Decimal Binary Octal Hexadecimal (155) 10 - ( ) 2 (233) 8 (9B) a. MOUSE ACTIONS Action Reaction Point to an Move the mouse pointer over the item. item Click Point to the item on the screen, press and release the left mouse button. Point to the item on the screen, press and release the right mouse button. Right click Clicking the right mouse button displays a pop up menu with various options Double-click Drag and drop Point to the item on the screen, quickly press twice the left mouse button. Point to an item then hold the left mouse button as you move the pointer and when you have reached the desired position, release the mouse button b. Five types of view in impress 1. Normal, 2. Outline, 3. Notes, 4. Handout and 5. Slide Sorter Normal view is the main view for creating individual slides. Use this view to format and design slides and to add text, graphics and animation effects.

4 Outline view shows topic titles, bulleted lists and numbered lists for each slide in outline format. Use this view to rearrange the order of slides, edit titles and headings, rearrange the order of items in a list and add new slides. Notes view lets you add notes to each slide that are not seen when the presentation is shown. Slide Sorter view shows a thumbnail of each slide in order. Use this view to rearrange the order of slides, produce a timed slide show, or add transitions between selected slides. Handout view lets you print your slides for a handout. You can choose one, two, three, four, or six slides per page from Tasks pane Layouts. Thumbnails can be re-arranged in this view by dragging and dropping them. 36. a. Explain any five Internet Applications Internet telephony Job search Online Shopping Stock market updates Travel Research Video conferencing e commerce Online payments Social Networking Voic Chatting e-banking e-learning b. Attributes of table There are: 1. Cellspacing:It is used to set the space between cells in a table. The value should be in pixels 2. Cellpadding:It is used to set the space between the contents of a cell and its border. the value should be in pixels. 3. Border: Border attribute with <table> tag is used to specify the thickness of the border lines around the table. The value of the border attribute should be a non zero value in pixels. If its value is zero, HTML displays the table without border. The default value is Zero in most the browsers. 4. Bordercolor: It is used to apply the colour to the border lines. 5. Align: It is used to set the position of the table within the browser window. Left is the default position. Right or center may be the value of align attribute. 6. BGcolor: It is used to apply background colour to the table. 7. Height and Width: These two attributes are used to specify the height and width of a table in terms of pixels or percentage. 37. a. HTML Program <html> <body> <table border=1 cellspacing=5 cellpadding=5> <tr> <th>class</th> <th>boys</th> <th>girls</th> </tr> <tr> <th>xi</th> <th>75</th> <th>80</th> </tr> <tr> <th>xii</th> <th>65</th> <th>70</th> </tr> </table> </body> </html> b. FORM TAG

5 The <form> tag is used to create a form. An HTML from starts with <form> and ends with </form> tag. Forms contain many types of form elements, such as text boxes, radio buttons, check boxes, buttons and drop-down lists. Two Attribute are METHOD AND ACTION Method: The method attribute of the form tag is used to identify how the form element names and values will be sent to the server. The get method will append the names of the form elements and their values to the URL. The post method will send the names and values of the form elements as packets. Action: The action attribute identifies the server side program or script that will process the form. The action will be the name of a Common Gateway Interface (CGI) program written in programming languages like Perl, JavaScript, etc 38. a. Switch Statement JavaScripts offers the switch statement as an alternate to using if...else structure. The switch statement is especially useful when testing all the possible results of an expression. The syntax of a switch structure as the following: switch(expression) { case label1: statements1; break; case label2: statements2; break; case labeln; statements - N; break; default: statements; } Suitable Example b. Predefined functions Function Description Example Result touppercase() given string into uppercase x= java x.touppercase(); JAVA tolowercase() length parseint() parsefloat() given string into lowercase Used to find length of the given string the given float value into an integer the given string into a integer x= JAVA x.tolowercase(); x= JAVA x.length(); java 4 parseint(34.234); 34 parseint( ) ; 34.23

TAMILNADU PLUS ONE COMPUTER APPLICATIONS PUBLIC EXAM ANSWER KEY MARCH 2019 PART - I PART - II

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