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.571 In Excel, which error indicates incompatible data types?
A #VALUE!
B #N/A
C #REF!
D #NUM!
Discuss / Board
Q.572 What does the 'SMTP' protocol primarily handle?
A Sending outgoing emails
B Receiving incoming emails
C Resolving domain names
D Transferring files
Discuss / Board
Q.573 Which of the following is a hardware component responsible for rendering images and video?
A GPU (Graphics Processing Unit)
B CPU
C RAM
D SSD
Discuss / Board
Q.574 In MS Word, what is the 'navigation pane' shortcut?
A Ctrl + F
B Ctrl + N
C Ctrl + Shift + F
D Alt + F
Discuss / Board
Q.575 Which Excel function calculates the number of workdays between two dates?
A NETWORKDAYS
B DAYS
C WORKDAY
D DATEDIF
Discuss / Board
Q.576 What does 'cache hit' mean?
A The requested data is found in the cache memory
B A virus found in the system
C A memory error
D The hard disk is full
Discuss / Board
Q.577 Which feature in MS Word allows you to insert a pre-designed cover page?
A Cover Page (Insert tab)
B Page Layout > Cover Page
C Design > Cover Page
D Quick Parts > Cover Page
Discuss / Board
Q.578 In Excel, which function returns the current date only?
A TODAY()
B NOW()
C DATE()
D DAY()
Discuss / Board
Q.579 Which type of software can be freely used, modified, and distributed?
A Open source software
B Freeware
C Shareware
D Proprietary software
Discuss / Board
Q.580 What does 'ISP' stand for? (repeated? No, concept not repeated; this one is different wording but similar to earlier? I already asked "What does ISP stand for" earlier. I'll avoid duplication. Let me change this question.)
A Internet Service Provider
B Internet System Protocol
C International Server Provider
D Internal Service Program
Discuss / Board
Q.581 In MS Word, which keyboard shortcut repeats the last action?
A F4
B Ctrl + Y
C Ctrl + R
D Alt + Enter
Discuss / Board
Q.582 Which Excel chart uses bars to represent data horizontally?
A Bar chart
B Column chart
C Line chart
D Pie chart
Discuss / Board
Q.583 What does 'phishing' most commonly target?
A Login credentials and financial information
B Computer hardware
C Network bandwidth
D Operating system files
Discuss / Board
Q.584 Which device connects a computer to the internet via telephone lines?
A Modem
B Router
C Switch
D NIC
Discuss / Board
Q.585 In Windows, what is the 'Control Panel' used for?
A To configure system settings and manage hardware/software
B To browse the internet
C To create documents
D To play games
Discuss / Board
Q.586 In MS Word, how can you apply a border to a paragraph?
A Use the Borders button in the Paragraph group on the Home tab
B Insert a text box
C Use the Page Layout tab > Page Borders
D Draw a rectangle shape
Discuss / Board
Q.587 Which Excel function counts the number of cells that contain numbers?
A COUNT
B COUNTA
C COUNTBLANK
D COUNTIF
Discuss / Board
Q.588 What does 'Wi-Fi' stand for?
A Wireless Fidelity
B Wireless Fiber
C Wired Fidelity
D Wide Fidelity
Discuss / Board
Q.589 In Linux, which command is used to remove a file?
A rm
B delete
C remove
D del
Discuss / Board
Q.590 What is the purpose of a 'firewall'?
A To monitor and control incoming and outgoing network traffic based on security rules
B To delete viruses
C To increase internet speed
D To store backup data
Discuss / Board
Q.591 Which of the following is NOT an email service provider?
A Adobe Photoshop
B Gmail
C Outlook
D Yahoo Mail
Discuss / Board
Q.592 In MS Word, what does the 'Ctrl + ]' shortcut do?
A Increases the font size by 1 point
B Decreases the font size
C Applies bold formatting
D Indents the paragraph
Discuss / Board
Q.593 What is a 'cell' in Excel?
A The intersection of a row and a column
B A formula
C A chart
D A workbook
Discuss / Board
Q.594 Which type of software helps protect against viruses and malware?
A Antivirus
B Word processor
C Spreadsheet
D Web browser
Discuss / Board
Q.595 What is 'spoofing' in cybersecurity?
A An attacker disguises their identity by faking data to gain trust
B Encrypting all network traffic
C Scanning for open ports
D Creating backup copies of data
Discuss / Board
Q.596 In MS Excel, what does the 'Ctrl + Shift + L' shortcut do?
A Toggles AutoFilter on and off
B Creates a new workbook
C Applies bold formatting
D Locks the selected cells
Discuss / Board
Q.597 What does 'ROM' stand for?
A Read-Only Memory
B Random-Only Memory
C Read-Optical Memory
D Rapid-Open Memory
Discuss / Board
Q.598 In MS Word, how do you insert a check box (form control)?
A Enable Developer tab, then insert a Check Box Content Control
B Insert > Symbol > Checkbox
C Home > Bullets > Checkbox
D Insert > Shapes > Checkbox
Discuss / Board
Q.599 Which Excel function returns a random number between 0 and 1?
A RAND()
B RANDBETWEEN(0,1)
C RANDOM()
D NOW()
Discuss / Board
Q.600 What is the primary function of a 'router'?
A Forwards data packets between computer networks
B Connects devices within a single network
C Provides power to network cables
D Amplifies Wi-Fi signals
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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