All Free Computer Science and IT MCQs with Answers

481. The .xls extension is used for _________________________ files?

• A. Windows
• B. Excel
• C. Power Point
• D. Access
• E. Word

Explanation: The .xls extension identifies the older binary workbook format used by Microsoft Excel. Modern Excel workbooks usually use .xlsx, but .xls remains an Excel extension.

482. Which short cut key used for help ?

• A. F1
• B. F2
• C. F3
• D. F4

Explanation: F1 opens the Help system in Windows and in most Microsoft Office applications. F2 through F4 perform different application-specific commands and are not the standard Help key.

483. Which shortcut key is for auto sum ?

• A. Alt + =
• B. Ctrl + Shift
• C. Alt + F1
• D. Ctrl + =

Explanation: In Excel, Alt + = inserts the AutoSum formula and usually selects the adjacent range automatically. The other shortcuts do not directly invoke AutoSum.

484. Which of the following is not a type of page margin?

• A. Right
• B. Center
• C. Left
• D. Top

Explanation: Left, right, and top are standard page-margin positions. Center is an alignment position, not a page margin.

485. Total Rows of MS Word Table are ________?

• A. 42767
• B. 32767
• C. 52755
• D. unlimited

Explanation: A Microsoft Word table can contain up to 32,767 rows. This is a fixed Word table limit, not an unlimited value.

486. New Windows, Arrange All & Split are options in which of the following Tab?

• A. Reference Tab
• B. View Tab
• C. Review Tab
• D. Layout Tab

Explanation: New Window, Arrange All, and Split are window-management commands found on Word's View tab. The other tabs serve references, reviewing, or page layout functions.

487. Mark Entry represents ________?

• A. add the selected text to the Index.
• B. add the selected text to the Table of Authorities
• C. add the selected text to the Level 01
• D. None of these

Explanation: Mark Entry marks selected text as an index entry, allowing Word to include it in the document's index. Table of Authorities entries use the separate Mark Citation command.

488. What should we do if we want Side by Side documents in MS Word?

• A. Minimise one Windows click on another
• B. Zoom bar > Click on Read mode
• C. Review>> Compare
• D. View>>Windows gallery>> View Side by Side

Explanation: View > Window > View Side by Side displays two open Word documents beside each other for comparison or simultaneous reading. Read Mode and Compare are different features.

489. In which Tab "Restrict Editing" is available?

• A. Mailings Tab
• B. Review Tab
• C. File menu
• D. Reference Tab

Explanation: Restrict Editing is available on Word's Review tab, where permissions and editing restrictions can be configured. It is not a Mailings or References command.

490. You can customize all of your document properties in the: __________?

• A. Preview Window
• B. Options Menu
• C. Page layout tab
• D. Backstage view

Explanation: The Backstage view, opened through the File tab, contains document information, properties, inspection, and other file-management settings. The Page Layout tab controls page appearance rather than all document properties.