Computer Science Test 7 Nddc Scholarship
Computer Science Test 7 Nddc Scholarship
Question 11
Which key on the keyboard toggles between 'overwriting' text to the right of the cursor and 'inserting' text before characters at the present cursor location?
The 'Insert' key is a toggle switch for two primary typing modes: Insert mode and Overtype mode. In the default 'Insert' mode, any new character you type is placed at the cursor, pushing existing text to the right. In 'Overtype' mode, each new character you type replaces the existing character immediately to the right of the cursor. Modern word processors often disable this key by default to prevent accidental data loss.
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Question 12
Graphics image files exist in various formats and are recognised by their file extensions. Which of the following sets of extensions consists entirely of common graphics file formats?
Graphics files use specific extensions to identify how the image data is encoded. Common examples include .bmp (Bitmap), .wmf (Windows Metafile), .gif (Graphics Interchange Format), .jpg (Joint Photographic Experts Group), and .tiff (Tagged Image File Format). Other extensions in the alternative options, such as .doc (document), .xls (spreadsheet), and .exe (executable), refer to text documents, data sheets, and program files respectively.
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Question 13
What is the definition of a brochure in the context of Desktop Publishing?
A brochure is a widely used marketing tool consisting of a small book or magazine containing pictures and information about a product or service. In Desktop Publishing, it is typically designed as a single sheet folded into sections (like a tri-fold) or a small pamphlet bound in booklet form. Its primary purpose is to provide concise, visually appealing information to a target audience in a portable, physical format.
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Question 14
In typography and Desktop Publishing, a __________ is a single incomplete line (often the last line of a paragraph) that appears at the top of a new page or column.
A 'Widow' is a typographic error where the final line of a paragraph is separated from the rest of the text and forced to the top of a subsequent page or column. This creates a visual break that looks unprofessional. Conversely, an 'Orphan' is the first line of a paragraph that appears alone at the bottom of a page or column. Professional layout software includes 'Widow and Orphan control' settings to prevent these occurrences automatically.
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Question 15
The process of placing text, characters, or images from the system's clipboard into your document is known as __________.
Pasting is the final step in a 'Copy and Paste' or 'Cut and Paste' operation. When you 'copy' or 'cut' an item, the operating system stores a digital version of it in a temporary storage area called the clipboard. The 'Paste' command (Ctrl+V) then retrieves that data from the clipboard and inserts it at the current location of the cursor or insertion point within the active document.
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Question 16
Which keyboard shortcut allows you to navigate immediately to the very beginning or the very end of a document, regardless of its length?
Modern operating systems and word processors provide dedicated navigation shortcuts to save time. Pressing 'Ctrl + Home' instantly moves the insertion point to the very first character of the entire document. Similarly, pressing 'Ctrl + End' moves the insertion point to the very last character or space at the end of the file. This is far more efficient than manual scrolling, especially in long documents spanning dozens or hundreds of pages.
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Question 17
Which of the following types of computer programs is specifically designed and most appropriate for publishing a professional newsletter?
Desktop Publishing (DTP) software, such as Adobe InDesign or Microsoft Publisher, is the correct tool for creating newsletters. These programs are built specifically to handle complex page layouts, offering precise control over text wrapping, column widths, image placement, and high-quality printing outputs. While you could technically use a word processor, DTP software provides the modular 'frame-based' environment required for professional-grade graphic design.
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Question 18
Which keyboard combination should you press as a shortcut to save your current progress in a document?
The standard keyboard shortcut to 'Save' a document in nearly all Windows-based applications is 'Ctrl + S'. This command instructs the software to write the current data from the computer's volatile RAM to the non-volatile hard drive or storage device. Regularly using this shortcut is a critical habit for users to prevent data loss in the event of a software crash, power outage, or system failure.
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Question 19
Vector and bitmap images are manipulated in different types of graphic programs. Vector images are often created in an 'illustration' program, which is also commonly known as a __________.
Vector-based software applications (like Adobe Illustrator or CorelDRAW) are frequently referred to as 'drawing programs.' This is because they use mathematical paths to define shapes, much like a person drawing with precise geometric tools. In contrast, bitmap or raster editors (like Adobe Photoshop or MS Paint) are called 'paint programs' because they work with a grid of individual pixels, similar to applying dabs of paint to a canvas.
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Question 20
A word processing program could be used to do all of the following tasks EXCEPT:
Word processing software is primarily designed for the creation, editing, and formatting of text-based documents. While it can handle simple tables, it lacks the computational engine required for complex arithmetic. Calculating expenditures involves mathematical formulas and data modelling, which is the specific purpose of spreadsheet software like Microsoft Excel. Spreadsheet cells are designed to perform automatic calculations, whereas a word processor treats numbers as static text unless specialized fields are used.
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