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Ch-12 SURFING INTERNET

ANSWER THE FOLLOWING QUESTIONS: Ques: How do computers on the internet communicate with each other? Ans. Computers use TCP/IP[Transmission control protocol/Internet protocol) to communicate with each other over the internet. Ques: What do you know about hypertext? Ans. Hypertext is text that links to other information. By clicking on a link in a hypertext document, a user can quickly jump to different content. Ques: Explain the term URL. What is the use of it? Ans. URL refers to the address of a World Wide Web page. As the name suggests, A URL indicates the location of a resource as well as the protocol used to access it. Ques: What do you understand by streaming media? Ans. Streaming media is video or audio content sent in compressed form over the Internet and played immediately, rather than being saved to the hard drive.. With streaming media, a user does not have to wait to download a file to play it. Because the media is sent in a continuous stream of d
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Ch-6 ADOBE PHOTOSHOP CS3

Answer the following Questions: Ques 1. What is Adobe Photoshop? Describe the features of Adobe Photoshop. Ans. Adobe Photoshop, popularly known as Photoshop, is a graphics editing program developed by Adobe System. Features of Photoshop CS3 professional are: a. Revised user-friendly interface. b. Photo-editing or manipulation in lesser time with little efforts. c. Create graphics for web applications with reduced file size. d. Layer effects preserve the original state of an image while manipulating another version of it through another layer. e. Crop or resize picture without losing quality of image. f. Enhance or change the color of an image by adjusting the brightness, contrast and color balance, etc. g. Remove the unwanted object from the picture by using Vanishing point tool. h. With the new quick selection tool, users need to click and drag across an image to make fast selections. Ques 2. Explain the use of Magic Wand Tool? Ans. The Magic Wand Tool, simply know
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Worksheet 5 [Adobe Photoshop CS3] Grade 8

Answer the following questions: Ques 1. Describe the components of Adobe Photoshop CS3. Ans. 1. TITLE BAR: It is the top most horizontal bar of the application window that displays the name of the program. 2. TEXT MENU: It is located below the title bar. It shown the ten different menus like file, edit, image, layout, select, filter, analysis, view, window and help. 3. CONTEXT MENU: Immediately below the text menu, is the context menu. The items in this menu change to reflect the options associated with the tool being selected. It is also known as Options bar. 4. WORK-SPACE: it contains the image that you want to edit. it is also known as image window. 5.TOOLS PALETTE: Along the left side of the Photoshop window, we find the Tools Palette. It works like an artist's paint box and holds a variety of tools which help us to draw paint,  and manipulate the images. Ques 2. What do you understand by "Expand Dock". Ans. The Expand dock is present on the top
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Worksheet 4 [Working with Queries] Grade 8

Answer the following questions: Ques 1. Describe the followings: a. Select query  retrieves data from one or more tables and displays the record set in a datasheet. you can also use Select query to group data, and to calculate sum, count average, and other types of total. b. Parameter query is a type of select query that prompts you for input before it runs. the query then uses your input as criteria that controls the results. For example: You can design it to prompt for two dates. c. Action query creates a new table or alters your data or database by adding, deleting, updating and appending data from it. d. Cross tab query uses row headings and column headings, so that you can see your data in terms of two categories at once. Ques 2. What are the different views of Form in MS ACCESS 2010? Explain. Ans. There are three main views of Form in MS Access 2010:- a. FORM VIEW: It is used to enter, edit and view data. b. DESIGN VIEW: It is used to adjust the d
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Worksheet 3 [Working with Tables] Grade8

Answer the following questions: Ques 1. What is a Relational database? Ans. A Relational database is a collective set of multiple data sets organized by tables, records and columns. relational databases establish a well-defined relationship between database tables. Ques 2. What do you know about Field Property? Ans. A field property is an attribute that defines the field's appearance or behavior within a database. Ques 3. Differentiate between Text Data type and Memo Data type. Ans.  Ques 4. Write steps to set the field's properties. Ans. a. click on the field name for which you want to set the field properties. b. You will observe that the general tab is selected by default in the 'Field Properties' area. c. Set the properties of all the fields as required. d. After finishing the task, you must save the table by clicking on the save button on Quick Access Toolbar. e. The table is now added to the navigation pane. Ques 5. Describ
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Worksheet 2 [Log on to Access] Grade 8

Answer the following questions: Ques 1. Differentiate the followings: a. File vs. Database b. Field vs. Record c. Primary key vs. Composite key Ques 2. Define templates. Ans. Templates are pre-built database focused on a specific task. These can be used instantly and can also be downloaded. Ques 3. What are the different database objects in Microsoft Access. Ans. The different database objects in Microsoft Access are tables, queries, forms and reports. Ques 4. Define DBMS. Ans. DBMS stands for Database Management System. It is an application software, which is used to create, modify and extract data from a database. It manages and organizes the records in the form of tables. Ques 5. Describe any five components of MS ACCESS 2010. Ans.a. TITLE BAR: It is located at the top of the window and displays the name of the current database. b. QUICK ACCESS TOOLBAR: This toolbar is present at the top left corner of the Access Window. it contain
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Worksheet1 [Networking Concepts] Grade8

Answer the following questions: Ques 1. Differentiate between Intranet and Extranet. Ans. Intranet refers to a computer network restricted to an organization whereas Extranet refers to a computer network that allows controlled access to an information source available on internet. Ques 2. What are the components required to establish Wireless Networking? Ans. The components which are required to establish wireless networking are Wireless Network Cards and Access Points/Routers. Ques 3. Describe various types of Networks. Ans. The various types of networks are: a. PERSONAL AREA NETWORK [PAN]: PAN is a computer network that is mainly created for an individual person. It is used for communication among devices, such as laptop, mobile phones, or smartphones. b. LOCAL AREA NETWORK [LAN]: In LAN, two or more computers and peripheral devices are connected within a small area, such as room, office building or a campus. c. METROPOLITAN AREA NETWORK [MAN]: MA
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