Computer set 3 MCQs

Practice interactive objective questions for this topic. Select an option to instantly verify your answer and read detailed explanations.

Showing 470 questions
Q.451 What is the function of the ‘Ctrl + Shift + F9’ shortcut in Excel?
A Recalculate all formulas in all open workbooks
B Evaluate the active formula
C Trace precedents
D Open the VBA editor
Discuss / Board
Q.452 In MS Word, which option allows you to add a caption to an image?
A References > Insert Caption
B Insert > Caption
C Design > Caption
D Right-click the image > Insert Caption
Discuss / Board
Q.453 In Excel, which function returns the number of columns in a range?
A COLUMNS
B COLUMN
C ROWS
D COUNT
Discuss / Board
Q.454 What is the purpose of the Windows ‘Task Scheduler’?
A Automate running programs or scripts at specified times or events
B Monitor system performance
C Manage installed applications
D Configure network settings
Discuss / Board
Q.455 In cybersecurity, what is ‘ransomware’?
A Malware that encrypts data and demands payment for the decryption key
B Software that displays ads
C A self-replicating worm
D A keylogger
Discuss / Board
Q.456 In MS Word, how can you insert a text watermark?
A Design > Watermark > Custom Watermark
B Page Layout > Background
C Insert > Picture
D Review > Watermark
Discuss / Board
Q.457 In Excel, which function returns the average of numbers that meet a single condition?
A AVERAGEIF
B AVERAGEIFS
C SUMIF
D COUNTIF
Discuss / Board
Q.458 What is the default port for DNS over TLS (DoT)?
A 853
B 53
C 443
D 80
Discuss / Board
Q.459 In MS Word, what is the purpose of the ‘Navigation Pane’?
A Browse headings, pages, and search results; reorganize document by dragging headings
B Edit the document structure in outline form
C Insert navigation links
D View document properties
Discuss / Board
Q.460 In Excel, which function returns the character specified by the Unicode code point?
A UNICHAR
B CHAR
C CODE
D UNICODE
Discuss / Board
Q.461 Which type of network cable uses fiber optics?
A Optical fiber cable
B Coaxial cable
C Twisted pair cable
D Ethernet crossover cable
Discuss / Board
Q.462 In Windows, what is the function of the ‘Device Manager’?
A View and manage hardware devices and their drivers
B Monitor system performance
C Uninstall software
D Manage disk partitions
Discuss / Board
Q.463 In MS Word, what does the ‘Ctrl + Shift + F’ shortcut do?
A Opens the Font dialog
B Opens the Find dialog
C Applies bold
D Changes the font
Discuss / Board
Q.464 In Excel, what does the ‘Ctrl + Shift + 0’ shortcut do? (Hidden columns)
A Unhides columns in the selected range (if there are hidden columns)
B Hides selected columns
C Applies outline border
D This shortcut is not standard; Ctrl+Shift+9 unhides rows, Ctrl+Shift+0 unhides columns (depending on Windows settings).
Discuss / Board
Q.465 Which protocol is used to map MAC addresses to IP addresses?
A ARP
B RARP
C DHCP
D Both A and B (ARP maps IP->MAC, RARP maps MAC->IP)
Discuss / Board
Q.466 In MS Word, what is the function of ‘Ctrl + Shift + M’?
A Decrease left paragraph indent
B Increase left indent
C Open the Mailings tab
D Remove paragraph formatting
Discuss / Board
Q.467 In Excel, which function returns the number of rows in a reference?
A ROWS
B ROW
C COLUMNS
D COUNT
Discuss / Board
Q.468 What is the purpose of the ‘chmod 777’ command in Linux?
A Give read, write, and execute permissions to everyone
B Remove all permissions
C Change file ownership
D Lock the file
Discuss / Board
Q.469 In Excel, what does the ‘Ctrl + Shift + 5’ shortcut apply?
A Percentage format
B Currency format
C Date format
D Outline border
Discuss / Board
Q.470 What is a ‘DDOS’ attack?
A Distributed Denial of Service – overwhelming a target with traffic from multiple sources
B A virus that deletes files
C An email phishing campaign
D Encrypting data for ransom
Discuss / Board

Master Computer set 3 for All Competitive Exams 2026

Practicing Computer set 3 MCQs is one of the most effective ways to prepare for competitive examinations in 2026. This topic-wise question bank contains carefully selected multiple-choice questions designed to strengthen conceptual understanding, improve accuracy, and enhance problem-solving speed. Our collection includes beginner, intermediate, and advanced-level questions frequently asked in JKSSB, SSC, Banking, Railway, Police, Defence, State PSC, and various national-level examinations. Every question is structured to reflect real exam patterns and helps candidates become familiar with objective-type assessment formats. Instant answer verification enables students to identify mistakes immediately and learn the correct approach without wasting valuable preparation time. Regular practice of topic-wise MCQs improves retention, reinforces key concepts, and develops confidence required to perform well under exam pressure. Whether you are revising important concepts, preparing for an upcoming recruitment test, or strengthening weak areas, these practice questions provide a reliable platform for continuous improvement. Consistent participation in MCQ-based learning sessions can significantly increase your chances of achieving higher scores and better ranks in competitive examinations.

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