Computer Operator Questions and Answers SET - 8 | MCQs | PSC

MCQs for Computer Science

Computer Operator Model Question Set - 8

1. When was the latest IT policy introduced in Nepal?
a. B.S. 2060
b. B.S. 2064
c. B.S. 2072
d. B.S. 2075
Correct Answer: d. B.S. 2075
The latest IT policy in Nepal was introduced in B.S. 2075 (2018 A.D.) to promote digital transformation.
2. For each instruction in program memory, the CPU goes through a ...
a. decode-fetch-execute sequence
b. execute-store-decode sequence
c. fetch-decode-execute sequence
d. fetch-execute-decode sequence
Correct Answer: c. fetch-decode-execute sequence
The CPU follows the fetch-decode-execute cycle to retrieve, interpret, and perform instructions.
3. What do you call the rules of a programming language?
a. Procedures
b. Login
c. Assembly
d. Syntax
Correct Answer: d. Syntax
Syntax refers to the rules governing the structure and composition of code in a programming language.
4. Where is firmware stored in?
a. Random Access Memory
b. Auxiliary Memory
c. Read Only Memory
d. Cache Memory
Correct Answer: c. Read Only Memory
Firmware is stored in Read Only Memory (ROM) or flash memory, ensuring persistence across power cycles.
5. What could cause a fixed disk error?
a. No-CD installed
b. Bad RAM
c. Slow processor
d. Incorrect CMOS settings
Correct Answer: d. Incorrect CMOS settings
Incorrect CMOS settings can misconfigure the hard disk, leading to fixed disk errors.
6. A computer virus is a software program which has the essential ability to ...
a. clone itself
b. damage programs
c. damage data
d. hide itself
Correct Answer: a. clone itself
A virus's essential ability is to replicate (clone) itself to spread across systems.
7. JPEG may be expanded as ...
a. Joint Photographic Exports Group
b. Joint Physical Experts Group
c. Joint Physical Exports Group
d. Joint Photographic Experts Group
Correct Answer: d. Joint Photographic Experts Group
JPEG stands for Joint Photographic Experts Group, a standard for image compression.
8. The output of binary addition 1+1+1 is ...
a. 10
b. 11
c. 111
d. 110
Correct Answer: b. 11
In binary, 1+1+1 equals 3 (11 in binary), as 1+1=10 and 10+1=11.
9. Which of the following controls the manner of interaction between the user and the operating system?
a. Language translator
b. Platform
c. User interface
d. Screen saver control
Correct Answer: c. User interface
The user interface (e.g., GUI, CLI) governs how users interact with the operating system.
10. The most important features of Microsoft Windows program is ...
a. Windows
b. Pull down menus
c. Icons
d. All of the above
Correct Answer: d. All of the above
Windows, pull-down menus, and icons are key features that make Microsoft Windows user-friendly.
11. Which file is the batch file that is read while booting a computer?
a. Autoexec.bat
b. Auto-batch
c. Autoexecutive.bat
d. Auto.bat
Correct Answer: a. Autoexec.bat
Autoexec.bat is a batch file executed during the boot process in older DOS-based systems.
12. We can change the name of a User Account from the ...
a. Tool Panel
b. Control Board
c. Code Panel
d. Control Panel
Correct Answer: d. Control Panel
The Control Panel in Windows allows users to modify user account settings, including names.
13. With ... type of memory, large programs are divided into parts and the parts are stored on a secondary device, usually a hard disk.
a. Cache
b. Extended
c. Virtual
d. Flash
Correct Answer: c. Virtual
Virtual memory divides programs into parts, storing them on a hard disk to extend RAM capacity.
14. Which of the following is system tool?
a. File
b. Control Panel
c. Character Map
d. Restore
Correct Answer: c. Character Map
Character Map is a system tool in Windows for inserting special characters, unlike Control Panel, which is a settings interface.
15. In MS-Word, the key F12 opens a ...
a. Save as dialog box
b. Open dialog box
c. Save dialog box
d. Close dialog box
Correct Answer: a. Save as dialog box
In MS-Word, F12 opens the Save As dialog box to save a document with a new name or location.
16. What is place to the left of horizontal zoom scroll bar?
a. Tab buttons
b. Split buttons
c. Indicators
d. View buttons
Correct Answer: d. View buttons
In MS-Word, view buttons (e.g., Print Layout, Reading View) are located to the left of the horizontal zoom scroll bar.
17. Which of the following is not an essential function of a word processing software package?
a. Formatting
b. Editing
c. Saving
d. Indexing
Correct Answer: d. Indexing
Indexing is an advanced feature, not essential, unlike formatting, editing, and saving in word processing software.
18. To auto fit the width of column ...
a. double click the left border of column
b. double click the right border of column
c. all of the above
d. none of the above
Correct Answer: b. double click the right border of column
In Excel, double-clicking the right border of a column header auto-fits the column width to its content.
19. MS-Word click the column header and is called automatically moves the text to the next line when it reaches the right edge of the screen
a. Carriage return
b. Enter
c. Word wrap
d. None of the above
Correct Answer: c. Word wrap
Word wrap in MS-Word automatically moves text to the next line when it reaches the right margin.
20. The process of removing unwanted part of an image is called ...
a. Hiding
b. Bordering
c. Cropping
d. Cutting
Correct Answer: c. Cropping
Cropping removes unwanted parts of an image to focus on the desired area.
21. The indicator on the screen that shows where things will happen next is called ...
a. arrow key
b. control key
c. cursor
d. none of the above
Correct Answer: c. cursor
The cursor indicates the active position on the screen for text input or actions.
22. Superscript, subscript, outline, emboss, engrave are known as ...
a. font style
b. font effects
c. word art
d. text effects
Correct Answer: b. font effects
Superscript, subscript, emboss, etc., are font effects that modify text appearance in word processors.
23. Which enables you to move directly to specific location in a document?
a. Subdocuments
b. Bookmarks
c. Cross-references
d. Outlines
Correct Answer: b. Bookmarks
Bookmarks in MS-Word allow navigation to specific locations within a document.
24. Where can you change the vertical alignment?
a. Paragraph dialog box
b. Formatting toolbar
c. Page setup dialog box
d. Standard toolbar
Correct Answer: c. Page setup dialog box
Vertical alignment (e.g., top, center) is adjusted in the Page Setup dialog box in MS-Word.
25. You want to track the progress of the stock market on a daily basis. Which type of chart would be better?
a. Pie chart
b. Row chart
c. Line chart
d. Column chart
Correct Answer: c. Line chart
Line charts are ideal for tracking trends over time, such as daily stock market progress.
26. An entry in a spreadsheet cell representing wages or test scores is most likely a ...
a. label
b. value
c. formula
d. calculation
Correct Answer: b. value
Numeric entries like wages or scores in Excel are values, used for calculations.
27. In Excel, what is Data Series?
a. A type of chart
b. A cell reference
c. A collection of related data
d. A division of results
Correct Answer: c. A collection of related data
A data series in Excel is a collection of related data points plotted in a chart.
28. You can use the formula palette to ...
a. format cells containing numbers
b. create and edit formulas containing functions
c. entered assumptions data
d. apply a range of cells
Correct Answer: b. create and edit formulas containing functions
The formula palette in Excel assists in creating and editing formulas with functions.
29. Which function is used to find out how many numeric entries there?
a. NUM
b. COUNT
c. SUM
d. CHKNUM
Correct Answer: b. COUNT
The COUNT function in Excel counts the number of cells with numeric entries.
30. Excel displays the current cell address in the ...
a. formula bar
b. status bar
c. name box
d. title bar
Correct Answer: c. name box
The name box in Excel displays the address of the currently selected cell.
31. Rounding errors can occur ...
a. when you use multiplication, division or exponentiation in a formula
b. when you use addition and subtraction in a formula
c. because Excel uses hidden decimal places in computation
d. when you show the results of formulas with different decimal places than the calculated results
Correct Answer: c. because Excel uses hidden decimal places in computation
Rounding errors occur due to Excel's use of hidden decimal places in calculations, affecting precision.
32. What is the shortcut key to hide entire row?
a. CTRL+H
b. CTRL+R
c. CTRL+9
d. CTRL+0
Correct Answer: c. CTRL+9
In Excel, CTRL+9 hides the selected row(s) quickly.
33. In a computer element which is not a part of chart?
a. plot area
b. fill handler
c. series
d. chart area
Correct Answer: b. fill handler
Fill handler is used for autofilling cells in Excel, not a chart component, unlike plot area or series.
34. A ... enables you to view data from a table based on a specific criterion.
a. form
b. query
c. macro
d. report
Correct Answer: b. query
A query in a database retrieves data from tables based on specified criteria.
35. What are the basic elements of a form or a report?
a. Controls
b. Objects
c. Windows
d. Properties
Correct Answer: a. Controls
Controls (e.g., text boxes, labels) are the basic elements used to build forms and reports in databases.
36. How can you create a uniform appearance by adding a background image to all slides?
a. Create a template
b. Edit the slide master
c. Use the autocorrect wizard
d. All of the above
Correct Answer: b. Edit the slide master
Editing the slide master in PowerPoint applies a background image uniformly to all slides.
37. If you want to print slides without color and background, which option do you select?
a. Grayscale
b. Pure black and white
c. Black
d. White
Correct Answer: b. Pure black and white
Pure black and white in PowerPoint prints slides without color or background, saving ink.
38. <title> ... </title> is included inside
a. <body></body>
b. <head></head>
c. <div></div>
d. None of the above
Correct Answer: b. <head></head>
The <title> tag, defining the webpage title, is placed within the <head> section of an HTML document.
39. An alternative of JavaScript on windows platform is ...
a. VBScript
b. ASP.Net
c. JSP
d. AJAX
Correct Answer: a. VBScript
VBScript is a scripting language alternative to JavaScript, primarily used on Windows platforms.
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