1. Open a Web Slides slideshow on your desktop.
2. Click the slide you want to disable on the left.
3. Keep the Change key when tapping several slides to uninstall them all at once.
4. On your screen, click Remove or Scroll lock.
5. Link to Leader on the View menu, then press Slide Master.
6. Click the slide template you want to disable in the scrolling window.
7. Select the Slide Master tab, then Uninstall under Slide Master.
8. Control +click or right -click to uninstall the slide and disable the leftmost column of the thumbnail. Alternatively, you should disable the slide and then remove it.

(i) Normal view is the main view for creating individual slides.
(ii) There are two ways to place a slide in the Slide Design area of the Normal view: clicking the slide thumbnail in the Slides pane or using the Navigator. To open the Navigator, click the Navigator button in the Standard Toolbar or press Ctrl + Shift + F5 and select a slide by scrolling down the Navigator list until you find the one that you want and then double-click it.

(a) -22₁₀ + 15₁₀

\((1111)_2 \Rightarrow(00001111)_2 \)
\((10110)_2 \Rightarrow(00010110)_2 \)
\(1 \text { 's complement } \quad \quad \quad =11101001 \)
\(2 \text {'s complement } \quad \quad \quad =11101010 \)
\((-22)_{10}+(15)_{10} \quad \quad \quad =11101001 \)
                                       \(= 00001111\)
                                      ______________
                                        1 1 1  0 1 0 1 0
                                      ______________
(b) 20₁₀ + 25₁₀

(10100)₂                       = (11001)₂
8 bit Format of 20₁₀  = 00010100
8 bit format of 25₁₀    = 00011001
20₁₀ + 25₁₀              =    _________
                                       00101101
                                     __________
20₁₀ + 25₁₀ = 00101101₂

OpenOffice writer uses the drawing tools, to create various shapes by using the Drawing toolbar. Select View ⟶Toolbars ⟶ Drawing to display drawing toolbar which contains various Drawing tools.

There are two different orientations:
(i) Landscape: The width of the document is more than the height. This is best suited for displaying table, professional photos, invitations, album etc.
(ii) Portrait: This is the most common and default orientation. Here, the height of the document is more than the width. Normally books, newspapers will be displayed in this format.

Advantages of using templates:
1. On using the standard templates, it is easy to create colour, attractive designs for slides.
2. Easily one can modify the templates, even we can download from Internet.
3. Attractive designs of templates are available; it will be the audience to look up of the presentation.
4. It creates attentive of audience.
5. Quick customization of templates, text, fonts, pictures were available. -
6. It have professional computer design.
7. A template is a design scheme and pre-defined layout for a specific purpose to be used for making presentations.

Header is the top margin of the page and Footer is the bottom margin of the page.
Application of Header and Footer:
(i) Header and Footer are some titles (such as Document Title, Author Name) or references (such as page no, number of pages, date) or remarks to be printed in the top (called as Header) and bottom of the page (called as Footer).
(ii) If we wish to get some information on every page, either on top or bottom of the page, we need to use header or footer as per the requirement.

98.46₁₀
1. Integer part

2. Fractional part
0.46 x 2 = 0.92 = 0
0.92 x 2 = 1.84 = 1
0.84 x 2 = 1.68 = 1
0.68 x 2 = 1.36 = 1
0.36 x 2 = 0.72 = 0
0.72 x 2 = 1.44 = 1
98.46₁₀ = (1100010.011101...)₂

(i) Mail merge is a process to create personalized letters and pre-addressed enveloped or mailing labels forms mailings form a form letter
(ii) The feature is usually employed in a word processing document which contains fixed text and variables (which act as place holders that are replaced by text from the data source.)
(iii) It is used to create multiple documents at once. These documents have identical layout, formatting, text and graphics.
(iv) The documents can create will mail merge include bulk labels, letters, envelops and emails and more using information stored in a list, database or spreadsheet

The header is a section of the document that appears in the top margin, while the footer is a section of the document that appears in the bottom margin of the page. Typically, headers display the title or chapter name, author name of a document while the footer displays the page number, date, time etc which gets displayed on all the pages automatically.
To Insert Headers and Footers:
(i) Select from the main menu Insert -> Header -> Default
(ii) The header text area is separated from the normal text are (a)
(iii) Enter the text that is to be repeated in all pages or Select Insert -> Fields -> Title.
(iv) The Header dialog box is displayed
To insert a Footer, the steps are as given below:
(i) Select from the main menu Insert -> Footer -> Default
(ii) Piace the cursor in the Footer part of the page.
(iii) Select Insert -> Fields -> Page Number.
Once the headers and footers are given in the first page, the same text appears in all the pages.
Inserting and Formatting Page Numbers:
Once the Header/footer area is enabled, the page numbers can be inserted by performing the following steps:
(i) position the cursor where you want to insert the number
(ii) choose Insert -> Fields -> Page Number
(iii) The page number appears with a gray background
Normally, the page numbers appear as 1,2,3 ..... , To change the numbering style, the following sequence of steps can be performed:
(i) Position the cursor where the page number has to appear
(ii) Select Format -> page, which will bring the page style dialog box
(iii) Select page Tab
(iv) In the Layout settings, select the format drop down combo box
(v) Select the desired style and click OK button

Design template is a set containing graphic design and colour scheme of the presentation.

File extension is used to know that in which the file is associated with.

The GUI is a window based system with a pointing device to direct I/O, choose from menus, make selections and a keyboard to enter text. Its vibrant colours attract the user very easily.

46₁₀ - 101110₂

The primary memory is used to temporarily store the programs and data when the instructions are ready to execute. The secondary memory is used to store the data permanently.