Computer set 1 MCQs

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

Showing 603 questions
Q.421 In Excel, which chart type is most suitable to show trends over time?
A Line chart
B Pie chart
C Bar chart
D Doughnut chart
Discuss / Board
Q.422 Which malicious software replicates itself to spread to other computers without user interaction?
A Worm
B Trojan horse
C Spyware
D Adware
Discuss / Board
Q.423 Which of the following is an example of a SaaS application?
A Gmail
B Microsoft Azure
C Amazon EC2
D Oracle Database
Discuss / Board
Q.424 What is the role of the 'Address bus' in a computer?
A Carries memory addresses from the CPU to other components to specify where data is to be read/written
B Transfers actual data between CPU and memory
C Sends control signals like read/write
D Provides power to the processor
Discuss / Board
Q.425 In MS Word, how do you insert a footnote?
A References tab > Insert Footnote
B Insert tab > Footnote
C Page Layout tab > Footnote
D Review tab > New Comment
Discuss / Board
Q.426 What is the keyboard shortcut to save a document in most applications?
A Ctrl + S
B Ctrl + P
C Ctrl + Shift + S
D F12
Discuss / Board
Q.427 In Excel, what does a green triangle in the corner of a cell indicate?
A A potential error or warning, such as inconsistent formula or number stored as text
B The cell has a comment
C The cell is part of a named range
D The cell is locked
Discuss / Board
Q.428 Which generation of computers introduced the use of Artificial Intelligence?
A Fifth generation
B Fourth generation
C Third generation
D Second generation
Discuss / Board
Q.429 Which type of operating system allows multiple users to use the computer simultaneously?
A Multi-user OS
B Single-user OS
C Real-time OS
D Batch OS
Discuss / Board
Q.430 In Excel, the formula =A1 & " " & B1 combines text. What is this process called?
A Concatenation
B Merging
C Text wrapping
D Parsing
Discuss / Board
Q.431 What does the 'Read Only' attribute on a file do?
A Prevents changes to the file; it can be opened but must be saved with a new name if modified
B Hides the file from directory listing
C Encrypts the file contents
D Compresses the file to save space
Discuss / Board
Q.432 Which of the following IP addresses is reserved for loopback testing?
A 127.0.0.1
B 192.168.1.1
C 10.0.0.1
D 172.16.0.1
Discuss / Board
Q.433 In MS Word, what is the shortcut to open the Navigation Pane?
A Ctrl + F
B Ctrl + H
C Ctrl + N
D Ctrl + G
Discuss / Board
Q.434 Which component of the CPU performs comparison operations like greater than, equal to?
A ALU
B CU
C Register
D Cache
Discuss / Board
Q.435 What is the function of the CMOS battery on a motherboard?
A Powers the real-time clock and stores BIOS settings when the computer is off
B Provides main power to the CPU
C Charges the laptop battery
D Supplies power to USB ports
Discuss / Board
Q.436 In Excel, which tool allows you to find the input value needed to achieve a desired formula result?
A Goal Seek
B Solver
C Data Table
D Scenario Manager
Discuss / Board
Q.437 Which type of firewall tracks the state of active connections and makes decisions based on the context of traffic?
A Stateful firewall
B Packet filter firewall
C Proxy firewall
D Application firewall
Discuss / Board
Q.438 What is the primary use of the 'Bcc' field over 'Cc'?
A To hide the recipients' email addresses from each other
B To send the email with high priority
C To encrypt the email contents
D To request a read receipt
Discuss / Board
Q.439 Which term describes a network of physical devices embedded with sensors and software to exchange data over the internet?
A Internet of Things (IoT)
B Cloud computing
C Big Data
D Virtual Reality
Discuss / Board
Q.440 What does the '404 Not Found' error message indicate?
A The server cannot find the requested resource
B The user is not authorized to view the page
C The server is temporarily overloaded
D The request is malformed
Discuss / Board
Q.441 In MS Word, which view hides headers, footers, and some objects to show only text?
A Draft view
B Print Layout view
C Web Layout view
D Outline view
Discuss / Board
Q.442 Which Excel function returns the remainder after division?
A MOD
B QUOTIENT
C INT
D ROUND
Discuss / Board
Q.443 What is the keyboard shortcut to open the 'Find and Replace' dialog in MS Word?
A Ctrl + H
B Ctrl + F
C Ctrl + R
D Ctrl + Shift + F
Discuss / Board
Q.444 In operating systems, what is a 'process'?
A A program in execution
B A file stored on disk
C A hardware component
D An input/output operation
Discuss / Board
Q.445 Which network device forwards data packets between computer networks based on IP addresses?
A Router
B Switch
C Hub
D Repeater
Discuss / Board
Q.446 In MS Word, what is the default file extension for a macro-enabled document?
A .docm
B .docx
C .dotx
D .rtf
Discuss / Board
Q.447 Which of the following is an absolute cell reference in Excel?
A $B$4
B B4
C $B4
D B$4
Discuss / Board
Q.448 What is a 'zero-day' vulnerability?
A A software flaw unknown to the vendor for which no patch exists
B A bug that crashes the system at midnight
C A virus that activates after 30 days
D A hardware defect in the CPU
Discuss / Board
Q.449 Which cloud deployment model is a combination of private and public clouds?
A Hybrid cloud
B Community cloud
C Multi-cloud
D Distributed cloud
Discuss / Board
Q.450 What is the purpose of 'bookmarks' in MS Word?
A To mark a specific location in a document for quick navigation
B To save the document as a PDF
C To add a citation
D To apply a style
Discuss / Board

Master Computer set 1 for All Competitive Exams 2026

Practicing Computer set 1 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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