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.241 Which protocol is used to send emails from a client to a mail server?
A SMTP
B POP3
C IMAP
D HTTP
Discuss / Board
Q.242 An email client uses IMAP instead of POP3. What is a key advantage?
A Emails remain on the server and can be accessed from multiple devices
B Emails are downloaded and deleted from the server, saving space
C It sends emails faster
D It automatically compresses attachments
Discuss / Board
Q.243 What does the URL 'https://www.example.com' indicate about the connection?
A Communication is encrypted using SSL/TLS
B The website is a static site
C The domain is registered in the US
D The server uses HTTP/2 protocol
Discuss / Board
Q.244 What is the role of cookies in a web browser?
A To store user preferences and session information for websites
B To block malicious scripts and pop-up ads
C To cache web pages for offline viewing
D To manage browser bookmarks and history
Discuss / Board
Q.245 Which cloud service model provides virtualized computing resources over the internet, such as virtual machines and storage?
A Infrastructure as a Service (IaaS)
B Platform as a Service (PaaS)
C Software as a Service (SaaS)
D Function as a Service (FaaS)
Discuss / Board
Q.246 Using a search engine, which query would return pages that contain the exact phrase 'climate change'?
A "climate change"
B climate + change
C climate AND change
D climate change
Discuss / Board
Q.247 What is the function of a web crawler in a search engine?
A It systematically browses the web to index page content for search results
B It ranks pages based on user click-through rates
C It encrypts user search queries
D It generates sitemaps for websites
Discuss / Board
Q.248 Which search operator would you use to limit results to a specific domain, such as only government sites?
A site:gov
B inurl:gov
C related:gov
D domain:gov
Discuss / Board
Q.249 In Boolean search logic, what does the operator 'NOT' do when used between two keywords?
A Excludes pages containing the keyword after NOT
B Finds pages containing either of the keywords
C Returns only pages containing both keywords
D Searches for the exact phrase
Discuss / Board
Q.250 A company’s data center uses a storage system that combines multiple hard drives into a single logical unit for redundancy and performance. This is known as:
A RAID
B SSD caching
C Cloud backup
D NAS
Discuss / Board
Q.251 What does the 'safe browsing' feature in modern web browsers primarily protect against?
A Phishing and malware-infected websites
B Slow internet connections
C Browser history tracking by websites
D Advertisement pop-ups
Discuss / Board
Q.252 Which of the following is a key difference between ROM and RAM?
A ROM retains data without power, while RAM loses data when powered off
B ROM is faster than RAM
C RAM is non-volatile, ROM is volatile
D ROM can be written to frequently, RAM cannot
Discuss / Board
Q.253 When a computer runs out of physical RAM, the OS moves inactive pages to disk. What is the term for this memory management technique?
A Paging
B Segmentation
C Fragmentation
D Caching
Discuss / Board
Q.254 Which component in a computer system interprets and carries out the basic instructions that operate the computer?
A Central Processing Unit (CPU)
B Motherboard
C Power Supply Unit
D Hard Disk Drive
Discuss / Board
Q.255 A student uses the shortcut Ctrl + Shift + > in MS Word. What happens?
A Increases the font size of selected text
B Increases paragraph indentation
C Applies superscript formatting
D Zooms the document view
Discuss / Board
Q.256 In Excel, which function returns the number of cells in a range that are not empty?
A COUNTA
B COUNT
C COUNTBLANK
D COUNTIF
Discuss / Board
Q.257 Which of the following is not an output device?
A Scanner
B Plotter
C Projector
D Speaker
Discuss / Board
Q.258 What is the primary function of the operating system's kernel?
A Manages system resources and allows communication between hardware and software
B Provides a graphical user interface
C Manages file folders and directories
D Runs application software
Discuss / Board
Q.259 Which type of malware disguises itself as a legitimate program to trick users into installing it, then performs harmful actions?
A Trojan horse
B Worm
C Spyware
D Adware
Discuss / Board
Q.260 In email, what does the 'Bcc' field do?
A Sends a copy to recipients without revealing their addresses to other recipients
B Sends a copy with high priority flag
C Encrypts the email content
D Adds a blind carbon copy visible to all recipients
Discuss / Board
Q.261 Which internet service is used to transfer files between a client and a server on a network?
A FTP
B HTTP
C SMTP
D DNS
Discuss / Board
Q.262 A search engine ranks web pages based on their relevance and authority using complex algorithms. What is the term for the process of improving a website’s position in these results?
A Search Engine Optimization (SEO)
B Search Engine Marketing (SEM)
C Search Indexing
D Web Crawling
Discuss / Board
Q.263 In MS Word, what does the 'Track Changes' feature primarily allow users to do?
A Record edits and comments so they can be reviewed and accepted or rejected later
B Automatically save document versions at set intervals
C Monitor who opens the document and when
D Highlight all grammatical errors in the document
Discuss / Board
Q.264 Which chart type in Excel is best suited to show the proportion of parts to a whole?
A Pie chart
B Line chart
C Bar chart
D Scatter chart
Discuss / Board
Q.265 A computer’s POST beep code indicates a memory error. What component is most likely faulty?
A RAM module
B Hard drive
C Power supply
D Graphics card
Discuss / Board
Q.266 Which of the following is a valid IPv4 address?
A 192.168.1.1
B 192.168.1.256
C 192.168.1.1.1
D 192.168.1
Discuss / Board
Q.267 In Linux, the command 'chmod 755 script.sh' sets which permissions?
A Owner: read/write/execute; Group/others: read/execute
B Owner: read/write; Group: read; Others: execute
C Owner: execute only; Group/others: read/write
D All users: read/write/execute
Discuss / Board
Q.268 Which security principle ensures that sensitive data is only accessible to authorized users?
A Confidentiality
B Integrity
C Availability
D Authentication
Discuss / Board
Q.269 What does the term 'pharming' refer to in cybersecurity?
A Redirecting users from a legitimate website to a fraudulent one without their knowledge
B Sending mass emails to harvest personal information
C Encrypting files and demanding ransom
D Flooding a network with traffic to make it unavailable
Discuss / Board
Q.270 Which protocol is responsible for resolving domain names to IP addresses?
A DNS
B DHCP
C ARP
D FTP
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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