All Free Computer Science and IT MCQs with Answers

471. MS Excel is based on: _____________?

• A. UNIX
• B. DOS
• C. WINDOWS
• D. OS/2

Explanation: Microsoft Excel is a Windows application in the context of this traditional classification, although modern Excel also runs on macOS, mobile systems, and the web. UNIX, DOS, and OS/2 are not its normal operating platforms in this question.

472. Which file starts ms word?

• A. Winword.exe
• B. Word.exe
• C. Word2003.exe
• D. Msword.exe

Explanation: Winword.exe is the executable program used to launch Microsoft Word in traditional Windows installations. The other names are not the standard Word executable filename.

473. The keyboard Shortcut key to decrease font size by one point is _____?

• A. Ctrl + Shift + <
• B. Ctrl + Shift + v
• C. Ctrl + Alt + >
• D. CTRL + [

Explanation: Ctrl+[ decreases the selected font size by one point in Microsoft Word. Ctrl+Shift+< changes the font size by the larger preset size step rather than exactly one point.

474. Where does the file name appear on the MS Word window ?

• A. Home Bar
• B. Status Bar
• C. Title Bar
• D. Ribbon
• E. None of these

Explanation: The title bar identifies the active Word document, commonly showing its filename along with Microsoft Word. The status bar displays document information such as page and word counts.

475. What is the use of a horizontal Scroll Bar in MS Excel?

• A. to view the data from left to the right
• B. to view the data in Excel from up and down
• C. to view the data from right to the left
• D. None of these

Explanation: A horizontal scroll bar moves across worksheet columns, allowing data to be viewed from left to right or back again. Vertical movement through rows is handled by the vertical scroll bar.

476. In a windows pc, the shortcut key for redoing the last action in Microsoft PowerPoint is __________?

• A. CTRL+R
• B. CTRL+Z
• C. CTRL+Y
• D. CTRL+ O

Explanation: Ctrl+Y repeats or redoes the most recently undone action in PowerPoint and other Microsoft Office programs. Ctrl+Z performs the opposite operation by undoing an action.

477. Shortcut key to Remove paragraph formatting is_________________________?

• A. Ctrl + S
• B. Ctrl + Q
• C. Ctrl + E
• D. Ctrl + LMS Word templates

Explanation: Ctrl+Q removes direct paragraph formatting in Word and returns the paragraph to its style formatting. Ctrl+E centers a paragraph, while Ctrl+S saves the document.

478. Ctrl +U is used for ____________________?

• A. underline
• B. italic
• C. bold
• D. none

Explanation: Ctrl+U toggles underline formatting for selected text or for text typed next. Ctrl+I is italic and Ctrl+B is bold.

479. Which one can be used for creating a document _______________________?

• A. MS Excel
• B. MS Word
• C. MS Access
• D. None

Explanation: MS Word is designed for creating and formatting text documents such as letters and reports. Excel is primarily for spreadsheets, and Access is primarily for databases.

480. In MS Word, the shortcut for paste command is _________________________?

• A. Ctrl+V
• B. Ctrl+X
• C. Alt+X
• D. Shift+Alt+X
• E. Ctrl+C

Explanation: Ctrl+V pastes content from the Clipboard into the document. Ctrl+C copies content and Ctrl+X cuts it, so neither performs the paste operation.