Practice Questions

This final chapter contains 37 bilingual multiple-choice questions from the supplied PDF. The questions span the computer syllabus covered in earlier chapters.

Practice question coverage
Source-derived coverage map for the 37-question practice set.
Answer-Key Note
The PDF has no answer key on these pages. This page supplies solved answers and explanations. Q3’s damaged matching list and Q33’s filtered-row wording have been repaired; all 37 question IDs and answer letters are retained.
Question 1
मशीन लर्निंग में ______ शामिल है, जो डेटा से सीखता है।
Machine Learning comprises ______ that uses data to learn.
A)Steps
B)Algorithm
C)Process
D)Flowchart
E)None of the above
Correct Answer: B
Algorithm — Machine Learning learns patterns from data through algorithms.
Question 2
कौन-सा उपकरण आपके कंप्यूटर को टेलीफोन प्रणाली की वैश्विक पहुँच से जोड़ता है?
Which of the following device allow you to combine power of your computer with global reach of the telephone system?
A)Switch
B)Modem
C)Router
D)Hub
E)None of the above
Correct Answer: B
Modem — it connects computer data communication with the telephone/communication line.
Question 3
निम्नलिखित का सही मिलान कीजिए।
Match the following.
Column A
1. Simplex Channel
2. Half-Duplex Channel
3. Full-Duplex Channel
4. Point-to-Point Channel
5. Multipoint Channel

Column B
a. Direct connection between two devices, such as fiber optics
b. Sends signals simultaneously in both directions
c. Sends signals one direction at a time like a walkie-talkie
d. Used by multiple devices; common in wireless networks
e. Sends signals in only one direction

Five channel types are used here; the missing fifth item has been restored as Multipoint Channel to match the shared-medium description.
A)1-e 2-b 3-c 4-a 5-d
B)1-e 2-c 3-b 4-a 5-d
C)1-e 2-c 3-b 4-d 5-a
D)1-d 2-c 3-b 4-a 5-e
E)None of the above
Correct Answer: B
Simplex → e (one direction); half-duplex → c (one direction at a time); full-duplex → b (simultaneous both ways); point-to-point → a (two devices); multipoint → d (shared medium).
Question 4
डायल-अप लाइनों पर IP पैकेट भेजने के लिए सबसे पहले कौन-सा प्रोटोकॉल इस्तेमाल किया गया था?
Which was the first protocol for relaying the IP packets over dial up lines?
A)Three line IP
B)Serial line IP
C)Four line IP
D)Double line IP
E)None of the above
Correct Answer: B
SLIP = Serial Line IP, an early protocol for carrying IP over serial/dial-up links.
Question 5
______ एक समीकरण है, जो वर्कशीट के डेटा पर गणनाएँ करता है।
______ is an equation that performs operations on worksheet data.
A)Formula
B)Number
C)Symbol
D)Alphabet
E)None of the above
Correct Answer: A
A formula is an equation that performs operations on worksheet data.
Question 6
डेटा प्रोसेसिंग की विश्वसनीयता को क्या कहा जाता है?
Which is trust worthiness of data processing?
A)Veracity
B)Volume
C)Variety
D)Velocity
E)None of the above
Correct Answer: A
Veracity refers to the trustworthiness/quality of data.
Question 7
प्रोटोकॉलों का परतों में व्यवस्थित समूह कौन-सा है?
Which is a layered set of protocols?
A)TCP/IP
B)Network
C)WAN
D)ARPANET
E)None of the above
Correct Answer: A
TCP/IP is a layered protocol suite.
Question 8
कौन-सा सॉफ्टवेयर आमतौर पर परीक्षण के लिए दिया जाता है और उसका लाइसेंस पूर्ण संस्करण खरीदने से पहले प्रतियाँ साझा करने की अनुमति देता है?
Which software is typically shared for trial use before the full version is purchased, subject to its licence?
A)Serviceware
B)Subware
C)Shareware
D)Systemware
E)None of the above
Correct Answer: C
Shareware is distributed with permission to share/redistribute copies, usually for trial use.
Question 9
कौन-सी तकनीक मोबाइल की स्क्रीन को संगत टीवी या मॉनिटर पर साझा करने देती है?
Which of the following enables seamless screen sharing from a mobile device to a compatible TV or monitor?
A)Wi-Fi Direct
B)Bluetooth LE
C)HDMI-CEC
D)Miracast
E)None of the above
Correct Answer: D
Miracast is designed for wireless screen mirroring to a compatible display.
Question 10
MS Excel में =MID("library",4,2) का परिणाम क्या होगा?
What is the output of the following text function in MS Excel: =MID("library",4,2)?
A)ibra
B)ra
C)ar
D)br
E)None of the above
Correct Answer: B
MID("library",4,2) starts at the 4th character and returns 2 characters: "ra".
Question 11
TCP/IP मॉडल के बारे में कौन-सा कथन गलत है?
Which of the following statements about the TCP/IP model is incorrect?
A)Network layer is responsible for routing packets between devices.
B)Application layer includes protocols such as HTTP and FTP.
C)Data Link layer is the first layer of the OSI model.
D)Transport layer ensures reliable transmission using TCP.
E)None of the above
Correct Answer: C
The first/bottom OSI layer is the Physical layer, not the Data Link layer.
Question 12
डेटा भेजते समय OSI मॉडल की परतों का ऊपर से नीचे सही क्रम क्या है?
What is the correct order (top to bottom) of the OSI model layers for data transmission?
1. Network layer   2. Physical layer   3. Transport layer   4. Application layer
A)2,1,3,4
B)4,1,3,2
C)2,3,1,4
D)4,3,1,2
E)None of the above
Correct Answer: D
Top to bottom among the listed layers: Application → Transport → Network → Physical = 4,3,1,2.
Question 13
मेल सर्वर से ईमेल प्राप्त करने के लिए कौन-सा प्रोटोकॉल इस्तेमाल किया जाता है?
In networking, which protocol is used to retrieve emails from a mail server?
A)POP3
B)FTP
C)SNMP
D)SMTP
E)None of the above
Correct Answer: A
POP3 is used to retrieve emails from a mail server.
Question 14
सोशल मीडिया में उपयोगकर्ता के संपर्कों के आकार और मजबूती को कौन-सी अवधारणा दर्शाती है?
In social media, which concept refers to the size and strength of a user's connections?
A)User Engagement
B)Network Bandwidth
C)Community Moderation
D)Social Graph
E)None of the above
Correct Answer: D
A social graph represents users and their social connections.
Question 15
बिग डेटा में ______ डेटा की मात्रा या उपयोगकर्ताओं की माँग में अचानक वृद्धि सँभालने की क्षमता है।
In Big Data processing, ______ refers to the capability to handle sudden increases in data volume or user demand.
A)Portability
B)Compatibility
C)Sustainability
D)Scalability
E)None of the above
Correct Answer: D
Scalability is the ability to handle growth or sudden increases in workload/data.
Question 16
आर्टिफिशियल इंटेलिजेंस के बारे में कौन-से कथन सही हैं?
Which of the following statements about AI are true?
I. AI can be used for fraud detection in financial institutions.
II. AI systems and deep learning are synonymous.
III. AI can help personalize online shopping experiences.
A)I and III only
B)II and III only
C)I, II and III
D)I and II only
E)None of the above
Correct Answer: A
Statements I and III are true; AI and Deep Learning are not synonymous.
Question 17
कथन (A): सोशल नेटवर्किंग साइटें उपयोगकर्ताओं की फ़ीड तैयार करने के लिए AI का उपयोग कर सकती हैं।
Assertion (A): Social networking sites can use Artificial Intelligence (AI) to curate user feeds.
Reason (R): AI analyzes user behaviour to predict and promote relevant content.
A)A is true, but R is false.
B)Both A and R are true, but R is not the correct explanation of A.
C)A is false, but R is true.
D)Both A and R are true and R is the correct explanation of A.
E)None of the above
Correct Answer: D
Both Assertion and Reason are true, and the Reason correctly explains the Assertion.
Question 18
MS Excel में XLOOKUP और VLOOKUP के बीच मुख्य अंतर क्या है?
What is the primary difference between XLOOKUP and VLOOKUP in MS Excel?
A)XLOOKUP allows reverse and horizontal lookups
B)XLOOKUP requires sorted data
C)XLOOKUP is available in all versions of Excel
D)XLOOKUP can only search vertically
E)None of the above
Correct Answer: A
XLOOKUP can look in either direction and can replace both vertical and horizontal lookup patterns.
Question 19
डेटाबेस प्रणालियों के बारे में गलत कथन पहचानिए।
Identify the incorrect statement about database systems.
A)Relational databases store data in tables with fixed schema.
B)NoSQL databases are suitable for handling unstructured data.
C)For security reasons, databases can only be accessed by a single user at a time.
D)SQL is a standardized language used to manage relational databases.
E)None of the above
Correct Answer: C
Databases are generally multi-user systems; they are not restricted to one user at a time.
Question 20
Windows कंप्यूटर को लॉक करने का कीबोर्ड शॉर्टकट क्या है?
The keyboard shortcut to lock your Windows computer is:
A)Alt + L
B)Windows + L
C)Shift + L
D)Ctrl + L
E)None of the above
Correct Answer: B
Windows + L locks a Windows computer.
Question 21
कथन (A): Windows System Restore व्यक्तिगत फ़ाइलों को प्रभावित किए बिना सिस्टम-स्तरीय बदलाव वापस कर सकता है।
Assertion (A): The Windows System Restore feature can undo system-level changes without affecting personal files.
Reason (R): It creates snapshots called “restore points” at specified intervals or before major updates.
A)A is true, but R is false.
B)Both A and R are true, but R is not the correct explanation of A.
C)A is false, but R is true.
D)Both A and R are true and R is the correct explanation of A.
E)None of the above
Correct Answer: D
Both are true; restore points are the mechanism System Restore uses to roll back system-level changes.
Question 22
कथन (A): World Wide Web (WWW) के संचालन में HTML और HTTP आवश्यक हैं।
Assertion (A): HTML and HTTP are fundamental to the functioning of the World Wide Web (WWW).
Reason (R): HTML defines web-document structure, while HTTP is the protocol used for transferring web content between servers and clients.
A)A is true, but R is false.
B)Both A and R are true, but R is not the correct explanation of A.
C)A is false, but R is true.
D)Both A and R are true and R is the correct explanation of A.
E)None of the above
Correct Answer: D
Both are true; HTML structures web documents and HTTP transfers web content.
Question 23
MS Excel के बारे में गलत कथन पहचानिए।
Identify the false statement about MS Excel.
A)You can protect locked individual cells by enabling worksheet protection.
B)Charts in Excel help visualize numeric data.
C)A worksheet can have a maximum of 16,384 columns.
D)Excel allows users to create drop-down lists.
E)None of the above
Correct Answer: E
All four listed statements are valid in standard Excel usage, so None of the above is the intended answer.
Question 24
MS Word में कौन-सी सुविधा हर पृष्ठ के शीर्ष पर सामग्री दिखाती है और कौन-सी सुविधा अनेक प्राप्तकर्ताओं के लिए पत्र या ईमेल व्यक्तिगत बनाती है?
In MS Word, which feature is used to display content at the top of every page, and which feature is used to personalize letters/emails for many recipients?
A)Track Changes; Header
B)Header; Mail Merge
C)Mail Merge; Track Changes
D)Styles; Mail Merge
E)None of the above
Correct Answer: B
Header appears at the top of each page; Mail Merge personalizes documents for multiple recipients.
Question 25
प्रॉक्सी सर्वर का मुख्य कार्य क्या है?
What is the primary function of a proxy server?
A)Act as a gateway between user and the Internet
B)Encrypt and protect all sensitive user data
C)Detect and eliminate malware from systems
D)Create and manage regular system backups
E)None of the above
Correct Answer: A
A proxy server primarily acts as an intermediary/gateway between a user/client and the Internet.
Question 26
“ज़ीरो-डे वल्नरेबिलिटी” का क्या अर्थ है?
What does "zero-day vulnerability" refer to?
A)A vulnerability previously unknown to its vendor, with no patch available when discovered or exploited
B)A weakness fixed on the same day it was found
C)A temporary firewall bypass
D)A virus that lasts for zero days
E)None of the above
Correct Answer: A
A zero-day vulnerability is previously unknown to the responsible vendor and has no patch when discovered or exploited. An old known-but-unpatched flaw is not automatically a zero-day.
Question 27
______ में जानबूझकर या अनजाने में दर्ज ऑनलाइन गतिविधियाँ शामिल हैं, जबकि ______ बड़े डेटासेट से पैटर्न निकालने की तकनीक है।
A/An ______ includes all online activities that are recorded intentionally or unintentionally, and ______ is the technique that involves extracting patterns from large datasets.
A)Digital footprint; Data mining
B)Privacy policy; End-to-End encryption
C)Data mining; Privacy policy
D)End-to-End encryption; Digital footprint
E)None of the above
Correct Answer: A
Digital footprint = recorded online activity; Data mining = extracting patterns from large datasets.
Question 28
______ सुरक्षा नियमों के आधार पर आने-जाने वाले नेटवर्क ट्रैफ़िक को नियंत्रित करता है।
A ______ uses security rules to control incoming and outgoing network traffic.
A)Router
B)Firewall
C)Switch
D)Proxy
E)None of the above
Correct Answer: B
A firewall applies security rules to incoming and outgoing network traffic.
Question 29
लिथियम-आयन बैटरियों के बारे में दिए गए कथनों में से कौन-से सही हैं?
Consider the following statements regarding lithium-ion batteries. Which are correct?
I. Lithium-ion batteries are the most common batteries used in non-rechargeable devices.
II. Lithium-ion batteries are widely used in laptops, mobile phones, e-bikes, e-scooters and power tools.
III. Lithium-ion batteries can be very flammable.
A)II and III only
B)I and II only
C)I, II and III
D)I and III only
E)None of the above
Correct Answer: A
I is false; II and III are true. Lithium-ion batteries are rechargeable and can be flammable.
Question 30
MAC पते के बारे में कौन-सा कथन सही है?
Which of the following statements about MAC address is correct?
A)It is a password used to secure Wi-Fi networks.
B)It is a serial number assigned to devices by the user.
C)It is a type of encryption used in wireless.
D)It is a link-layer network-interface identifier, usually assigned by the manufacturer; it can also be locally assigned.
E)None of the above
Correct Answer: D
A common Ethernet MAC is a 48-bit link-layer interface identifier, typically assigned by the manufacturer. It may also be locally assigned or randomized; uniqueness is not guaranteed in every circumstance.
Question 31
कौन-सा उपकरण घरेलू नेटवर्क पर कई उपकरणों के लिए साझा केंद्रीय स्टोरेज देता है?
Which device provides centralized storage accessible by multiple devices on a home network?
A)Router
B)HDMI Splitter
C)Modem
D)Network Attached Storage
E)None of the above
Correct Answer: D
NAS = Network Attached Storage, centralized storage accessible over a network.
Question 32
IoT संरचना में गेटवे मुख्यतः ______ और क्लाउड के बीच सेतु का काम करता है।
In IoT architecture, an IoT gateway primarily acts as a bridge between ______ and the cloud.
A)Sensors
B)Users
C)Routers
D)Web apps
E)None of the above
Correct Answer: A
An IoT gateway commonly bridges sensors/devices and the cloud.
Question 33
=SUBTOTAL(9, A1:A10), =SUM(A1:A10) से कैसे अलग है?
How is =SUBTOTAL(9, A1:A10) different from =SUM(A1:A10)?
A)SUBTOTAL includes hidden rows
B)SUBTOTAL returns average instead of sum
C)SUBTOTAL excludes filtered-out rows but includes rows hidden manually
D)SUBTOTAL ignores text cells
E)None of the above
Correct Answer: C
SUBTOTAL(9,A1:A10) sums while excluding filtered-out rows and nested SUBTOTAL results, but includes manually hidden rows. SUBTOTAL(109,A1:A10) also excludes manually hidden rows. SUM includes numeric values in both hidden and filtered-out rows.
Question 34
______ में ईमेल पता या URL बदलकर धोखा दिया जाता है, जबकि ______ में उपयोगकर्ताओं को लॉगिन जैसी संवेदनशील जानकारी देने के लिए बहकाया जाता है।
______ is a method to deceive victims by altering an email address/URL, while ______ is a method to trick users into providing sensitive information like login credentials.
A)Spoofing; Phishing
B)Hacking; Phishing
C)Email bombing; Phishing
D)Malware; Spoofing
E)None of the above
Correct Answer: A
Spoofing alters/fakes identity/address information; phishing tricks users into revealing sensitive information.
Question 35
स्वचालन से बार-बार संवाद करके दुष्प्रचार फैलाने वाले सोशल मीडिया खाते को आमतौर पर क्या कहा जाता है?
A social media account that frequently interacts with and amplifies disinformation using automation is often called a/an:
A)Bot
B)Influencer
C)Moderator
D)Hacker
E)None of the above
Correct Answer: A
An automated account that repeatedly amplifies content/disinformation is commonly called a bot.
Question 36
इंटरनेट पर क्लाइंट के अनुरोध और सर्वर के उत्तर के बीच मध्यस्थ बनने वाले उपकरण या सॉफ्टवेयर को क्या कहते हैं?
The device or software that acts as an intermediary between client requests and server responses on the Internet is known as:
A)Modem
B)Switch
C)Proxy Server
D)Firewall
E)None of the above
Correct Answer: C
A Proxy Server intermediates between client requests and server responses.
Question 37
Domain Name System (DNS) के बारे में गलत कथन पहचानिए।
Identify the incorrect statement regarding Domain Name System (DNS).
A)DNS servers use port 53 by default.
B)DNS can use TCP for zone transfers and UDP or TCP for ordinary queries.
C)DNS caching improves network efficiency.
D)DNS translates domain names into IP addresses.
E)None of the above
Correct Answer: E
A–D are correct: conventional DNS uses port 53; queries can use UDP or TCP; zone transfers typically use TCP. DNS caches responses and resolves names to records including IP addresses.
Quick Topic Index
Solved Answer Key
Q1 B • Q2 B • Q3 B • Q4 B • Q5 A • Q6 A • Q7 A • Q8 C • Q9 D • Q10 B • Q11 C • Q12 D • Q13 A • Q14 D • Q15 D • Q16 A • Q17 D • Q18 A • Q19 C • Q20 B • Q21 D • Q22 D • Q23 E • Q24 B • Q25 A • Q26 A • Q27 A • Q28 B • Q29 A • Q30 D • Q31 D • Q32 A • Q33 C • Q34 A • Q35 A • Q36 C • Q37 E
Q3 now has five matching items; Q33 now correctly distinguishes filtered-out rows from manually hidden rows.
Q1–6
ML • Modem • Channels • SLIP • Formula • Big Data
Q7–12
TCP/IP • Software • Miracast • Excel • OSI
Q13–18
Email • Social Graph • Scalability • AI • XLOOKUP
Q19–24
Database • Windows • HTML/HTTP • Excel • Word
Q25–30
Proxy • Zero-day • Digital Footprint • Firewall • Battery • MAC
Q31–37
NAS • IoT • SUBTOTAL • Spoofing/Phishing • Bot • Proxy • DNS
Question Types Included
Standard MCQ • Match the Following • Assertion–Reason • Multiple Statements • Fill-in-the-Blank Concept Questions.
Source Notes
Q3: restored the fifth item, Multipoint Channel, and corrected the damaged “1-0” option to “1-e”.
Q10's Excel function punctuation was normalized to =MID("library",4,2) because the extracted text clearly shows the same function with OCR punctuation damage.
No source answer key was present; the solved answer key shown on this page was independently reviewed.