Computer set 2 MCQs

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

Showing 525 questions
Q.421 In Excel, what does the 'Ctrl + Space' shortcut do?
A Selects the entire column of the active cell
B Selects the entire row
C Inserts a new column
D Opens the Format Cells dialog
Discuss / Board
Q.422 Which component of the system unit is responsible for supplying power to all internal components?
A Power Supply Unit (PSU)
B Motherboard
C CPU
D RAM
Discuss / Board
Q.423 In MS Word, which feature allows you to insert a citation placeholder?
A Insert Citation > Add New Placeholder
B Bibliography
C Table of Contents
D Index
Discuss / Board
Q.424 In Excel, what is the default alignment of numbers and text in a cell?
A Numbers are right-aligned; text is left-aligned
B Both are centered
C Both are left-aligned
D Numbers are left-aligned; text is right-aligned
Discuss / Board
Q.425 Which protocol is used to retrieve web pages from a server?
A HTTP
B FTP
C SMTP
D POP3
Discuss / Board
Q.426 What is the purpose of a 'firewall' in a computer network?
A Monitor and control incoming and outgoing network traffic based on security rules
B Scan for viruses
C Manage email
D Provide backup power
Discuss / Board
Q.427 In MS Word, what is the function of 'Ctrl + Shift + S'?
A Opens the 'Apply Styles' pane
B Saves the document
C Opens the font dialog
D Applies strikethrough
Discuss / Board
Q.428 In Excel, which function returns a specified number of characters from the middle of a text string?
A MID
B LEFT
C RIGHT
D CONCATENATE
Discuss / Board
Q.429 Which of the following is a type of biometric authentication?
A Fingerprint scan
B Password
C Smart card
D Security question
Discuss / Board
Q.430 What is the default port for SSH?
A 22
B 21
C 25
D 80
Discuss / Board
Q.431 In MS Word, what is the shortcut to increase font size by one point?
A Ctrl + ]
B Ctrl + [
C Ctrl + Shift + >
D Ctrl + >
Discuss / Board
Q.432 In Excel, what is a 'table' (Ctrl+T) used for?
A Create a dynamic structured range with auto-filtering and formatting
B Insert a PivotTable
C Draw a chart
D Link to an external database
Discuss / Board
Q.433 Which security principle ensures that a party cannot deny the authenticity of their signature on a document?
A Non-repudiation
B Confidentiality
C Integrity
D Authentication
Discuss / Board
Q.434 In the OSI model, which layer establishes, manages, and terminates connections between applications?
A Session layer (Layer 5)
B Transport layer (Layer 4)
C Presentation layer (Layer 6)
D Application layer (Layer 7)
Discuss / Board
Q.435 Which command in Windows displays the MAC address of the network adapter?
A ipconfig /all
B getmac
C ping
D Both A and B
Discuss / Board
Q.436 In MS Word, which option in the 'Review' tab allows you to check for accessibility issues?
A Check Accessibility
B Spelling & Grammar
C Smart Lookup
D Track Changes
Discuss / Board
Q.437 In Excel, what is the result of =CONCAT("Hello"," ","World")?
A Hello World
B HelloWorld
C Hello World
D Hello World
Discuss / Board
Q.438 Which type of computer virus infects the boot sector of storage devices?
A Boot sector virus
B Macro virus
C File infector
D Polymorphic virus
Discuss / Board
Q.439 What is the purpose of the 'MFT' (Master File Table) in NTFS?
A Stores information about every file and directory on the volume
B Manages user accounts
C Encrypts files
D Allocates CPU time
Discuss / Board
Q.440 In Linux, what is the default shell for most distributions?
A Bash (Bourne Again Shell)
B Korn shell (ksh)
C C shell (csh)
D Z shell (zsh)
Discuss / Board
Q.441 Which Excel function returns the number of columns in a reference?
A COLUMNS
B COLUMN
C ROWS
D COUNT
Discuss / Board
Q.442 In computer networking, what is a 'packet'?
A A formatted unit of data carried by a packet-switched network
B A physical cable
C A type of malware
D A firewall rule
Discuss / Board
Q.443 Which key combination opens the 'Find' function in most web browsers?
A Ctrl + F
B Ctrl + H
C Ctrl + S
D Ctrl + T
Discuss / Board
Q.444 In MS Word, what is the function of the 'Read Aloud' feature?
A Uses text-to-speech to read the document content aloud
B Converts speech to text
C Translates the document
D Checks pronunciation
Discuss / Board
Q.445 Which Excel feature automatically adjusts column width to fit the longest entry?
A Double-click the right border of the column header
B Drag the column border manually
C Home > Format > AutoFit Column Width
D Both A and C
Discuss / Board
Q.446 Which of the following is a valid e-commerce website?
A Amazon
B Wikipedia
C Google
D YouTube
Discuss / Board
Q.447 In cybersecurity, what is 'smishing'?
A Phishing via SMS text messages
B Encrypting files
C Flooding a network
D Using fake Wi-Fi
Discuss / Board
Q.448 Which MS Word feature allows you to compare two versions of a document?
A Compare (Review tab)
B Track Changes
C Combine
D Versions
Discuss / Board
Q.449 In Excel, what does the 'Ctrl + Shift + +' shortcut do?
A Opens the 'Insert' dialog to insert cells, rows, or columns
B Applies superscript
C Increases font size
D Adds a new worksheet
Discuss / Board
Q.450 Which wireless communication technology has a very short range (approx. 10 cm) used for contactless payments?
A NFC
B Bluetooth
C Wi-Fi
D Infrared
Discuss / Board

Master Computer set 2 for All Competitive Exams 2026

Practicing Computer set 2 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.

For additional MCQs, detailed question explanations, exam discussions, and doubt-solving support, candidates can also visit Ask JK Exam Library , the official Q&A and practice platform of JK Exam Library. The platform offers 50,000+ verified MCQs covering JKSSB, JKPSC, SSC, UPSC, Railway, Banking, Police, Defence, CUET, Teaching, and many other competitive examinations. Every question includes an instant answer with a detailed explanation, helping aspirants understand concepts quickly and improve accuracy. Students can also participate in Daily Quiz Challenges, ask doubts, discuss questions with fellow aspirants, and strengthen their exam preparation through one of the fastest-growing learning communities for competitive exams..

Frequently Asked Questions

Select individual options to trigger real-time validation matrix hooks. This evaluates your answers instantly and shows the correct methodology in the solution box.

Absolutely. Our content team regularly updates the question bank to reflect the latest JKSSB, SSC, Banking, Railways, Defence, and other competitive exam trends.

The number of questions varies by topic and is regularly expanded to provide comprehensive practice coverage for competitive examinations.

Yes, you can attempt the questions as many times as needed to improve accuracy, speed, and concept retention.

Yes, important questions are accompanied by explanations and solutions to help candidates understand the correct answers effectively.

Yes, this topic is frequently covered in various competitive examinations and forms an important part of exam preparation strategies.

Absolutely. The questions are suitable for both beginners and advanced learners preparing for competitive examinations.

Topic-wise practice helps identify weak areas, strengthen concepts, and build confidence before attempting full-length mock tests.

Yes, the question database is continuously updated with new MCQs to maintain relevance and align with changing exam patterns.

Regular practice with topic-wise MCQs helps candidates reduce mistakes, improve accuracy, and perform better in actual examinations.

Yes, topic-specific MCQs provide a quick and effective revision method for reinforcing important concepts before exams.

The question bank includes a mix of easy, moderate, and challenging questions designed to reflect real competitive exam standards.

Solution View

Correct Answer
Detailed Explanation: