Agricultural Supervisor - Basic Computer Knowledge & Cyber Security Practice Test 100 MCQs

Agricultural Supervisor - Basic Computer Knowledge & Cyber Security Practice Test

Targeted 100 MCQ Practice Module focusing on: Computer Fundamentals, MS Word, MS Excel, MS PowerPoint, Internet, Email, Operating Systems, Computer Hardware & Software, and Cyber Security Basics.

Select your answers and click Submit Assessment Answers at the bottom to calculate your total score and review explanations.

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SECTION I: Computer Fundamentals [Questions 1 to 10]

1. Who is widely regarded as the 'Father of the Computer'?

John von Neumann Bill Gates Alan Turing Charles Babbage

Explanation: Charles Babbage designed the Analytical Engine in the 1830s, the first concept of a general-purpose mechanical computer.

2. Which part of the computer is called its 'brain'?

CPU (Central Processing Unit) Keyboard Hard Disk Monitor

Explanation: The CPU interprets instructions and performs processing, so it is called the brain of the computer.

3. Integrated Circuits (ICs) were used in which generation of computers?

Third Generation First Generation Second Generation Fifth Generation

Explanation: First generation used vacuum tubes, second used transistors, third used Integrated Circuits.

4. What is the smallest unit of data in a computer?

Word Nibble Bit Byte

Explanation: A bit (binary digit) holds a single 0 or 1 and is the smallest unit of data.

5. One byte is equal to how many bits?

16 10 4 8

Explanation: A byte is a group of 8 bits.

6. The binary number system has a base of:

10 8 2 16

Explanation: Binary uses only the digits 0 and 1, so its base (radix) is 2.

7. The ALU (Arithmetic Logic Unit) of a CPU performs:

Internet connectivity Data storage only Arithmetic and logical operations Printing of documents

Explanation: The ALU carries out arithmetic (add, subtract) and logical (AND, OR, comparison) operations.

8. Which of the following is an input device?

Scanner Speaker Monitor Printer

Explanation: A scanner feeds data (images/documents) into the computer, so it is an input device.

9. ENIAC, the early electronic computer, stands for:

Electronic Numeric Input and Calculator Electronic Numerical Integrator and Computer Electrical Network Integrated Analog Computer Electronic National Information and Computer

Explanation: ENIAC (1946) was one of the first general-purpose electronic digital computers.

10. Which of the following is the fastest memory in a computer system?

Pen Drive Hard Disk Register RAM

Explanation: Registers sit inside the CPU and are the fastest memory, followed by cache, RAM and then secondary storage.

SECTION II: MS Word [Questions 11 to 20]

11. What is the default file extension of a document saved in MS Word 2007 and later versions?

.dotx .docx .doc .txt

Explanation: Word 2007 onwards saves files in the Open XML format with the .docx extension; .doc was the older format.

12. Which keyboard shortcut is used to make selected text bold in MS Word?

Ctrl + D Ctrl + I Ctrl + B Ctrl + U

Explanation: Ctrl+B = Bold, Ctrl+I = Italic, Ctrl+U = Underline.

13. Which shortcut key centre-aligns the selected paragraph in MS Word?

Ctrl + E Ctrl + J Ctrl + L Ctrl + R

Explanation: Ctrl+E centres, Ctrl+L left-aligns, Ctrl+R right-aligns and Ctrl+J justifies.

14. Which shortcut selects the entire document in MS Word?

Ctrl + P Ctrl + Z Ctrl + S Ctrl + A

Explanation: Ctrl+A selects all content in the document.

15. The Mail Merge feature in MS Word is mainly used to:

Convert a document into PDF Insert page numbers Check spelling mistakes Create personalised letters for many recipients from a single template

Explanation: Mail Merge combines a main document with a data source (names, addresses) to generate personalised copies.

16. In MS Word, the Header and Footer options are found under which tab?

Insert Home View Review

Explanation: Header, Footer and Page Number commands are in the Insert tab.

17. Which shortcut opens the 'Find and Replace' dialog box in MS Word?

Ctrl + H Ctrl + F5 Ctrl + K Ctrl + G

Explanation: Ctrl+H opens Replace; Ctrl+F opens the Navigation (Find) pane.

18. What is the default page orientation in MS Word?

Landscape Diagonal Square Portrait

Explanation: Word documents open in Portrait orientation by default; it can be changed in Layout > Orientation.

19. Which function key runs the Spelling and Grammar check in MS Word?

F12 F5 F7 F1

Explanation: F7 starts the spelling and grammar check; F1 opens Help and F12 opens Save As.

20. Which shortcut inserts a manual page break in MS Word?

Alt + Enter Ctrl + Enter Shift + Enter Ctrl + Tab

Explanation: Ctrl+Enter forces the following content onto a new page.

SECTION III: MS Excel [Questions 21 to 30]

21. In MS Excel, the intersection of a row and a column is called a:

Range Worksheet Cell Workbook

Explanation: Each box formed by the meeting of a row and a column is a cell, such as B3.

22. Every formula in MS Excel must begin with which symbol?

= (Equal sign) # (Hash) @ (At the rate) $ (Dollar)

Explanation: Excel treats an entry starting with = as a formula.

23. What is the maximum number of rows in a worksheet in Excel 2007 and later versions?

1,048,576 65,536 1,000,000 16,384

Explanation: Excel 2007+ supports 1,048,576 rows and 16,384 columns (XFD). Older versions had 65,536 rows.

24. Which function is used to add all the numbers in a range of cells?

SUM ADD PLUS TOTAL

Explanation: =SUM(A1:A10) adds all numbers in the range A1 to A10.

25. The cell reference A$1 is known as a:

Absolute reference Mixed reference Relative reference Circular reference

Explanation: The $ before the row fixes the row only, while the column stays relative, making it a mixed reference.

26. The COUNT function in MS Excel counts:

Only blank cells Cells that contain numbers All non-empty cells Only text cells

Explanation: COUNT counts numeric cells; COUNTA counts non-empty cells; COUNTBLANK counts empty cells.

27. Pressing the F4 key while editing a cell reference in a formula does what?

Inserts a new row Opens the Save dialog Starts a spell check Toggles between relative, absolute and mixed references

Explanation: F4 cycles a reference such as A1 through $A$1, A$1, $A1 and back to A1.

28. What is the default file extension of an Excel workbook in Excel 2007 and later?

.xlt .xlsx .xls .csv

Explanation: Modern Excel workbooks are saved as .xlsx; .xls is the older binary format.

29. The VLOOKUP function searches for a value in which part of a table?

The first (leftmost) column The last column The header row only Any row at random

Explanation: VLOOKUP looks for the lookup value in the leftmost column and returns a value from a column to the right.

30. Which chart type is best suited to show the share of each part in a whole?

Pie chart Line chart Scatter chart Stock chart

Explanation: A pie chart shows each category as a slice of the total (100%).

SECTION IV: MS PowerPoint [Questions 31 to 40]

31. What is the default file extension of a PowerPoint presentation in 2007 and later versions?

.ppt .pptx .pps .pot

Explanation: PowerPoint 2007+ uses .pptx; .ppt was the older format and .ppsx is a slide show file.

32. Which function key starts a slide show from the first slide in MS PowerPoint?

F5 F10 F1 F7

Explanation: F5 starts the show from the beginning; Shift+F5 starts from the current slide.

33. Which shortcut starts the slide show from the current slide?

F5 Alt + F5 Ctrl + F5 Shift + F5

Explanation: Shift+F5 begins the presentation from the slide currently selected.

34. Which view in PowerPoint displays thumbnails of all slides, useful for rearranging them?

Reading view Normal view Slide Sorter view Outline view

Explanation: Slide Sorter shows all slides as thumbnails so they can be reordered easily.

35. A 'Transition' in PowerPoint refers to:

A colour theme for slides Movement effect applied to an object on a slide The visual effect shown when moving from one slide to the next A note added for the speaker

Explanation: Transitions apply between slides, while Animations apply to objects within a slide.

36. In PowerPoint, 'Animations' are used to:

Insert page numbers Add movement and effects to text and objects on a slide Change slide size Translate slide text

Explanation: Animations such as Fade, Fly In and Zoom are applied to individual objects on a slide.

37. The Slide Master in PowerPoint is used to:

Control the common layout and formatting of all slides Check spelling Print handouts only Run the slide show

Explanation: Changes made in Slide Master (fonts, logo, background) are applied to every slide using that layout.

38. Which shortcut inserts a new slide in MS PowerPoint?

Ctrl + D Ctrl + M Ctrl + K Ctrl + N

Explanation: Ctrl+M adds a new slide after the selected one; Ctrl+N creates a new presentation.

39. Which key is pressed to end a running slide show in PowerPoint?

Delete Tab Home Esc

Explanation: The Esc key exits the slide show and returns to the editing view.

40. What is the layout of the first slide, containing a title and subtitle, normally called?

Blank Slide Content with Caption Section Header Title Slide

Explanation: The Title Slide layout is the default first slide with a title and a subtitle placeholder.

SECTION V: Internet [Questions 41 to 50]

41. The abbreviation WWW stands for:

Web World Window Wide World Web World Wide Web World Web Wire

Explanation: WWW is the system of interlinked web pages accessed through the Internet.

42. The abbreviation URL stands for:

Uniform Resource Locator Universal Resource Link United Router Locator Uniform Resource Limit

Explanation: A URL is the address of a resource on the Internet, such as https://www.example.com.

43. Which protocol is used to transfer web pages over the Internet?

SMTP POP3 HTTP FTP

Explanation: HTTP (HyperText Transfer Protocol) transfers web pages between servers and browsers.

44. Who invented the World Wide Web?

Vint Cerf Tim Berners-Lee Larry Page Mark Zuckerberg

Explanation: Tim Berners-Lee invented the WWW at CERN in 1989-91.

45. Which of the following is a web browser?

Windows Explorer Mozilla Firefox Microsoft Outlook Google Drive

Explanation: Firefox is a browser. Google Drive is cloud storage, Explorer is a file manager and Outlook is an email client.

46. HTML stands for:

Hyperlink Text Mode Language HighText Machine Language HyperText Markup Language HyperTransfer Markup Language

Explanation: HTML is the standard language used to create and structure web pages.

47. Which of the following is a search engine?

Safari Opera Google Chrome

Explanation: Google is a search engine; Chrome, Safari and Opera are browsers.

48. An ISP is a company that:

Designs operating systems Provides Internet access to users Manufactures computer hardware Prints web pages

Explanation: ISP stands for Internet Service Provider, e.g. BSNL, Jio, Airtel.

49. What is an IP address?

The name of a website A unique numerical address assigned to each device on a network A type of web browser The password of a Wi-Fi router

Explanation: An IP address identifies a device on a network, such as 192.168.1.1.

50. The 'S' in HTTPS indicates that the connection is:

Shared Static Simple Secure (encrypted)

Explanation: HTTPS uses SSL/TLS to encrypt data exchanged between the browser and the website.

SECTION VI: Email [Questions 51 to 60]

51. In an email address such as name@example.com, the '@' symbol separates:

The file name and extension The sender and the receiver The subject and the message The username and the domain name

Explanation: The part before @ is the user name (mailbox) and the part after it is the domain.

52. In email, 'CC' stands for:

Common Contact Computer Copy Cancel Copy Carbon Copy

Explanation: CC sends a copy of the message to additional recipients who are visible to all.

53. What is the purpose of the 'BCC' field in an email?

To send a copy while hiding the recipient's address from others To mark the mail as urgent To block the sender To attach a file

Explanation: Blind Carbon Copy recipients are not visible to the other recipients.

54. Unwanted bulk or junk email is commonly called:

Outbox Spam Draft Inbox

Explanation: Spam is unsolicited, often commercial, email sent in bulk.

55. Which protocol is used for sending emails from a client to a mail server?

IMAP SMTP POP3 HTTP

Explanation: SMTP (Simple Mail Transfer Protocol) sends outgoing mail; POP3 and IMAP retrieve it.

56. Which of the following protocols is used to receive or retrieve emails?

DNS IMAP FTP SMTP

Explanation: IMAP and POP3 are used to fetch incoming email from the mail server.

57. A file sent along with an email message is called a(n):

Attachment Signature Footer Header

Explanation: An attachment is a document, image or other file included with an email.

58. In an email program, where are messages saved that have been written but not yet sent?

Inbox Drafts Spam Trash

Explanation: The Drafts folder stores unsent or partially written messages.

59. The 'Reply All' option in email sends the response to:

Everyone in the contact list Only the sender Only the BCC recipients The sender and all other recipients of the original email

Explanation: Reply All addresses the sender along with everyone in the To and CC fields of the original message.

60. Which of the following is a correctly formatted email address?

farmer.support.agri.gov.in farmer support@agri.gov.in @farmer.support.agri farmer.support@agri.gov.in

Explanation: A valid address has one @ symbol, no spaces, and a domain name after the @.

SECTION VII: Operating Systems [Questions 61 to 70]

61. Which of the following is an operating system?

Oracle Adobe Reader Google Chrome Linux

Explanation: Linux is an operating system; the others are database software, a browser and a PDF reader.

62. Microsoft Windows is developed by:

Apple Inc. Microsoft Corporation Google LLC IBM

Explanation: Windows is the operating system family developed by Microsoft.

63. What is the main function of an operating system?

Create documents only Manage hardware and software resources of the computer Browse web pages only Protect the computer from fire

Explanation: The OS manages memory, processes, files and devices and provides an interface to users.

64. MS-DOS is an example of an operating system with which type of interface?

Voice Interface Command Line Interface (CLI) Touch Interface Graphical User Interface (GUI)

Explanation: MS-DOS needs typed commands, whereas Windows uses a GUI with icons and menus.

65. The process of starting a computer and loading the operating system into memory is called:

Browsing Compiling Booting Formatting

Explanation: Booting loads the OS from storage into RAM when the computer is switched on.

66. In Windows, which key combination switches between open programs or windows?

Alt + Tab Shift + Tab Ctrl + Tab Alt + F4

Explanation: Alt+Tab cycles among open windows; Alt+F4 closes the active window.

67. Which file extension generally represents an executable program file in Windows?

.jpg .txt .exe .pdf

Explanation: A .exe file is an executable that runs a program when opened.

68. In Windows, deleted files are normally moved first to the:

Start Menu Control Panel Recycle Bin Task Manager

Explanation: The Recycle Bin temporarily stores deleted files so they can be restored.

69. Which key combination deletes a file permanently without sending it to the Recycle Bin?

Shift + Delete Alt + Delete Tab + Delete Ctrl + Delete

Explanation: Shift+Delete removes the file permanently after confirmation.

70. In Windows, which key combination opens the Task Manager directly?

Ctrl + Shift + Esc Ctrl + Shift + Tab Ctrl + Alt + Tab Windows + Esc

Explanation: Ctrl+Shift+Esc opens Task Manager, which shows running processes and performance.

SECTION VIII: Computer Hardware [Questions 71 to 80]

71. Which of the following is an output device?

Mouse Keyboard Printer Joystick

Explanation: A printer produces output (hard copy) from the computer.

72. RAM is a type of:

Read-only memory Volatile memory Non-volatile memory Optical memory

Explanation: RAM loses its contents when power is switched off, so it is volatile.

73. ROM (Read Only Memory) is mainly used to store:

Temporary user documents Deleted files Permanent start-up (boot) instructions Internet cache

Explanation: ROM is non-volatile and holds firmware such as the BIOS that starts the computer.

74. The main circuit board of a computer to which all components are connected is called the:

Heat Sink Sound Card Motherboard Power Supply

Explanation: The motherboard connects the CPU, memory, storage and peripherals.

75. 1 Gigabyte (GB) is approximately equal to:

1024 MB 1000 KB 512 MB 100 MB

Explanation: In binary measurement, 1 KB = 1024 bytes, 1 MB = 1024 KB and 1 GB = 1024 MB.

76. Which of the following is a secondary storage device?

RAM Hard Disk Cache Register

Explanation: Hard disks, SSDs and pen drives are secondary (permanent) storage.

77. A Pen Drive is also known as a:

Floppy disk Punch card Magnetic tape USB flash drive

Explanation: A pen drive is a portable flash memory device connected through a USB port.

78. Which of the following is a pointing device?

Scanner Mouse Monitor Speaker

Explanation: A mouse moves the on-screen pointer and is a pointing input device.

79. A plotter is mainly used for printing:

Small barcodes only Plain text letters only Email messages Large drawings, maps and engineering designs

Explanation: Plotters draw large, high-quality graphics such as maps and architectural plans.

80. Cache memory is a:

Small, very fast memory placed between the CPU and RAM Optical storage disc Memory used only for printers Large, slow memory outside the computer

Explanation: Cache stores frequently used data and instructions to speed up CPU access.

SECTION IX: Computer Software [Questions 81 to 90]

81. Which of the following is system software?

MS Word Device driver Adobe Photoshop Tally

Explanation: System software (OS, drivers, utilities) manages the hardware; the others are application software.

82. Which of the following is application software?

BIOS Linux Kernel Windows MS Excel

Explanation: MS Excel is application software designed for spreadsheets.

83. Software whose source code is freely available for anyone to view and modify is called:

Proprietary software Shareware Open-source software Firmware

Explanation: Open-source software, such as Linux, makes its source code publicly available.

84. Software that is available for use at no cost is called:

Malware Spyware Shareware Freeware

Explanation: Freeware can be used free of charge, though its source code may not be open.

85. A compiler is a program that:

Detects viruses Executes a program line by line Deletes unused files Translates a whole high-level program into machine code at once

Explanation: A compiler converts the complete source code into machine code before execution.

86. An interpreter translates a program:

As a whole before running Line by line and executes it immediately Only into images Only into assembly language

Explanation: An interpreter reads, translates and executes one statement at a time.

87. An antivirus program is an example of:

Hardware device Utility software Application software for accounting Programming language

Explanation: Antivirus is utility software that detects, blocks and removes malicious programs.

88. Firmware is best described as:

A web browser add-on Permanent software stored in a hardware device's ROM Software stored only on a pen drive A type of virus

Explanation: Firmware is embedded software that controls devices such as routers and BIOS chips.

89. An assembler is used to convert:

Images into text Machine language into English High-level language into assembly Assembly language into machine language

Explanation: An assembler translates assembly language instructions into machine code.

90. What is the function of a device driver?

Increases the speed of the Internet Stores email messages Lets the operating system communicate with a hardware device Creates backup copies of files

Explanation: A driver is a small program that acts as a translator between the OS and hardware like a printer.

SECTION X: Cyber Security Basics [Questions 91 to 100]

91. Phishing is:

A method of speeding up the Internet A type of computer hardware A software update A fraudulent attempt to steal sensitive information by pretending to be a trustworthy source

Explanation: Phishing uses fake emails, messages or websites to trick people into revealing passwords, OTPs or bank details.

92. A computer virus is a malicious program that:

Improves system speed Cannot harm any file Attaches itself to files and replicates, spreading to other files or computers Is created only by hardware makers

Explanation: A virus attaches to host files and spreads when the infected file is executed or shared.

93. What is the main function of a firewall?

Monitor and filter incoming and outgoing network traffic Print network reports Create documents Increase battery life

Explanation: A firewall allows or blocks network traffic based on security rules.

94. Which of the following is the strongest password?

password 12345678 farmer Fa$7!mEr#2026

Explanation: A strong password is long and mixes uppercase, lowercase, numbers and symbols without common words.

95. Ransomware is a malware that:

Encrypts the victim's files and demands payment to unlock them Cleans temporary files Blocks pop-up advertisements Deletes only the Recycle Bin

Explanation: Ransomware locks data and demands a ransom, typically in cryptocurrency.

96. Two-Factor Authentication (2FA) requires:

Two passwords of the same type Two different types of proof of identity, such as a password and an OTP Two usernames Two antivirus programs

Explanation: 2FA combines something you know (password) with something you have (OTP/phone) or are (fingerprint).

97. A Trojan horse in cyber security is a program that:

Appears to be useful software but hides malicious code Is always harmless Only works on printers Repairs corrupted files

Explanation: Trojans trick users into installing them by disguising themselves as legitimate software.

98. In India, which is the national helpline number for reporting cyber financial fraud?

1930 112 100 1098

Explanation: Dial 1930 or report on the National Cyber Crime Reporting Portal (cybercrime.gov.in).

99. Which Indian law mainly deals with cyber crime and electronic commerce?

Right to Information Act, 2005 Indian Contract Act, 1872 Consumer Protection Act, 2019 Information Technology Act, 2000

Explanation: The IT Act, 2000 provides legal recognition to electronic records and defines cyber offences and penalties.

100. A VPN (Virtual Private Network) is used to:

Convert files to PDF Remove all viruses Increase the screen resolution Create a secure, encrypted connection over a public network

Explanation: A VPN encrypts internet traffic and hides the user's IP address, improving privacy on public Wi-Fi.

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