Online Computer study - Learn Basic Computer course free

Online Computer Study - OCS

Free Mock Test CCC ADCA DCA O Level

Basic computer education is one of the most important things that everyone must have learned, this website provides Basic Computer courses according to the syllabus of government educational programs like CCC, ADCA, DCA, etc.

Online Computer Study (OCS) provides a platform for free Basic Computer Courses  where everyone can learn practical and theoretical knowledge about the concepts of computers and practice with an Online CCC test.

CCC

CCC (Course on Computer Concepts) is a basic certification course covering computer fundamentals, hardware, software, internet, and LibreOffice tools. It's perfect for preparing for digital literacy exams.

DCA

DCA (Diploma in Computer Applications) is a short-term course that teaches computer basics, MS Office, internet tools, and data handling. Great for entry-level jobs and skill development.

ADCA

ADCA (Advanced Diploma in Computer Applications) is a one-year course covering software design, programming basics, MS Office, and internet usage. Ideal for students aiming for careers in IT and admin.

O Level

O Level (Foundation Course in Computer Applications by NIELIT) covers IT tools, Python programming, internet basics, and multimedia. It's a key qualification for various government job exams.

Online Computer Study

Online Computer Study Mock Test

Test Your Knowledge with Updated CCC, ADCA, and DCA Online Mock Tests – Hindi & English Questions Included, helping you crack your computer exams on the first attempt.

1 / 50

E-commerce transactions are always secure and free from any risks.
ई-कॉमर्स लेन-देन हमेशा सुरक्षित और किसी भी खतरे से मुक्त नहीं होतीं हैं।

2 / 50

What is the significance of a 'bounce rate' in website analytics?
वेबसाइट एनालिटिक्स में 'बाउंस रेट' का क्या महत्व है?

3 / 50

Which menu in MS Word contains the 'Save As' option?
 MS Word में 'Save As' विकल्प किस मेनू में होता है?

4 / 50

Which of the following is an example of e-commerce?
निम्नलिखित में से कौन सा ई-कॉमर्स का उदाहरण है?

5 / 50

Biometric authentication methods are less secure than traditional password-based methods.
बायोमेट्रिक प्रमाणीकरण विधियां पारंपरिक पासवर्ड आधारित विधियों से कम सुरक्षित हैं।

6 / 50

Which device is required for Internet connection?
 इंटरनेट कनेक्शन के लिए कौन सा डिवाइस आवश्यक है?

7 / 50

In MS Word, which option is used to find synonyms?
 MS Word में समानार्थक शब्द खोजने के लिए कौन सा विकल्प उपयोग होता है?

8 / 50

Which of the following is a popular social networking platform?
निम्नलिखित में से कौन सा एक लोकप्रिय सोशल नेटवर्किंग प्लेटफॉर्म है?

9 / 50

Which digital marketing technique focuses on targeting specific audiences based on their interests and behavior?
कौन सी डिजिटल मार्केटिंग तकनीक विशिष्ट दर्शकों को उनकी रुचियों और व्यवहार के आधार पर लक्षित करने पर केंद्रित है?

10 / 50

What is the full form of DSM –
DSM का पूरा नाम क्या है –

11 / 50

A Winchester disc is a _.
एक Winchester डिस्क एक _____ होती है|

12 / 50

What is the smallest unit of data in a computer?
कंप्यूटर में डेटा की सबसे छोटी इकाई क्या है?

13 / 50

Which key is used to rename a file in Windows?
 Windows में किसी फाइल का नाम बदलने के लिए कौन सी कुंजी उपयोग होती है?

14 / 50

Screen that comes on when you turn on your computer that shows all the icons is called
कम्प्यूटर के आरम्भ होने पर सभी आइकन्स को दिखाने वाली स्क्रीन ............................ कहते हैं।

15 / 50

Which programming language is primarily used for web development?
 वेब विकास के लिए मुख्य रूप से कौन सी प्रोग्रामिंग भाषा उपयोग होती है?

16 / 50

What is the full form of ICT?
 ICT का पूरा नाम क्या है?

17 / 50

A router operates at the data link layer of the OSI model.
एक राउटर OSI मॉडल के डेटा लिंक परत में काम करता है।

18 / 50

What is the primary purpose of email newsletters in digital marketing?
डिजिटल मार्केटिंग में ईमेल न्यूज़लेटर्स का प्राथमिक उद्देश्य क्या है?

19 / 50

Which of the following editions of Windows 10 contains the fewest features?
विण्डोज 10 के निम्नलिखित संस्करणों में से किसमें सबसे कम विशेषताएँ हैं?

20 / 50

Operating system is used in
ऑपरेटिंग सिस्टम का प्रयोग ......................... में होता है।

21 / 50

Which command is used to remove a file permanently in Windows?
 Windows में फाइल को स्थायी रूप से हटाने के लिए कौन सा कमांड उपयोग होता है?

22 / 50

The collection of related files is called
सम्बन्धित फाइलों के संग्रह को ...... कहते हैं।

23 / 50

A set of instructions for a computer to perform a task is called _
कंप्यूटर को कार्य करने के लिए निर्देशों के एक सेट को ___ कहा जाता है

24 / 50

The language that the computer can understand and execute is called
वह भाषा जिसे कम्प्यूटर समझ और निष्यादित कर सकता है उसे कहा जाता है

25 / 50

Which of the following is a non-volatile and random access memory?
निम्नलिखित में से कौन सी एक गैर-वाष्पशील और रैंडम एक्सेस मेमोरी है?

26 / 50

What is a firewall in networking?
 नेटवर्किंग में फ़ायरवॉल क्या है?

27 / 50

Which of the following is known as the background of the screen?
निम्नलिखित में से क्या स्क्रीन के बैकग्राउंड के रूप में जाना जाता है?

28 / 50

What is the purpose of a digital marketing strategy?
डिजिटल मार्केटिंग रणनीति का उद्देश्य क्या है?

29 / 50

Which file extension is used for binary files?
बाइनरी फाइलों के लिए कौन-सा फाइल एक्सटेंशन प्रयोग किया जाता है?

30 / 50

Social engineering involves manipulating individuals into divulging confidential information or performing actions that compromise security.
सोशल इंजीनियरिंग व्यक्तियों को गोपनीय जानकारी को खोलने या सुरक्षा को कमजोर करने वाली कार्रवाई करने में गतिशील करने का शामिल है।

31 / 50

Which software is used for accounting?
लेखांकन के लिए कौन सा सॉफ़्टवेयर उपयोग होता है?

32 / 50

What does the term 'booting' mean in computers?
 कंप्यूटर में 'बूटिंग' शब्द का क्या अर्थ है?

33 / 50

What is done with the help of a folder?
फोल्डर के द्वारा आप क्या कर सकते हैं?

34 / 50

What is phishing in cyber security?
 साइबर सुरक्षा में फ़िशिंग क्या है?

35 / 50

Type of device that allows a user to add components and capabilities to a computer system?
डिवाइस का प्रकार जो एक कंप्यूटर सिस्टम में उपयोगकर्ता को कम्पोनेंट्स और क्षमताओं को जोड़ने के लिए अनुमति देता है ?

36 / 50

What is the default file for a web file extension after dot (.)?
वेब फाइल में डॉट (.) के बाद डिफॉल्ट फाइल एक्सटेंशन क्या होता है?

37 / 50

Windows 10 has ......... different editions.
विण्डोज 10 के भिन्न संस्करण हैं।

38 / 50

What is the function of Ctrl + P?
 Ctrl + P का कार्य क्या है?

39 / 50

Which device is used to read barcodes?
 बारकोड पढ़ने के लिए कौन सा उपकरण उपयोग किया जाता है?

40 / 50

Which of the following is a programming language?
 निम्नलिखित में से कौन प्रोग्रामिंग भाषा है?

41 / 50

The acronym ENIAC stands for
शब्द ENIAC का पूर्ण रूप है

42 / 50

Where is the date and time available on the desktop?
तारीख और समय डेस्कटॉप पर कहा उपलब्ध होता है

43 / 50

Which of the following is a search engine?
निम्न में से कौन एक सर्च इंजन है?

44 / 50

Which of the following is used for audio input?
 निम्नलिखित में से कौन ऑडियो इनपुट के लिए उपयोग किया जाता है?

45 / 50

What is the first step in LibreOffice writer in changing line spacing?
लिब्रेऑफिस राइटर में लाइन स्पेसिंग बदलने में पहला स्टेप ✓ क्या है?

46 / 50

Which of the following is made up of the RAM and ROM?
रैम और रोम से मिलकर निम्नलिखित में से क्या बना है?

47 / 50

Which is the BIOS stored in ?
BIOS किसमें संग्रहित है?

48 / 50

Linux is a ………………. and ………………….. operating system –
लिनक्स एक…………………..और……………………..ऑपरेटिंग सिस्टम है –

49 / 50

Which is the first mechanical calculator?
पहला यांत्रिक कैलकुलेटर कौन सा है ?

50 / 50

When a computer starts and operating system is loaded from the disk is called
जब कम्प्यूटर प्रारम्भ होता है व मुख्यतः जब डिस्क से ऑपरेटिंग सिस्टम को लोड करता है, वह कहलाता है

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Quiz Test Mock
Free Online Mock Test for CCC, ADCA & DCA – Hindi & English

Practice with our free online mock tests designed for CCC, ADCA, and DCA students. Each test follows the latest syllabus and includes important questions in both Hindi and English. These simulated exams help you understand the real exam pattern, improve accuracy, and boost confidence — all without needing to log in. Ideal for first-time exam success and daily practice.

CCC

Course On Computer Concept

ADCA

Advance Diploma In Com. App.

DCA

Diploma In Computer Application

O Level

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Everything what you need

Our website offers everything you need to prepare for CCC, ADCA, and DCA—including important Q&A, free eBooks, mock tests, course notes, shortcut keys, MS Office guides, practical projects, full forms, computer glossary, and bilingual blogs in Hindi and English—all in one place.

Easy Notes

Quick course notes from CCC, ADCA, and DCA in simple language.

Mock Test

Practice latest syllabus-based tests in Hindi and English.

Shortcut Keys

Learn must-know MS Office and Windows shortcut keys.

Full Forms

Important computer-related full forms for quick exam reference.

E - Books

Download free course eBooks and PDFs for offline study.

Practical Projects

Hands-on project guides to boost your computer skills.

Tech Glossaries

Simple definitions of essential computer and IT terms.

Important Topics

Key questions and topics for quick revision and exam success.

Domo Digital

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Domo digital is an ISO certified govt registrered trust under Niti Ayog, Govt of India. The trust is responsible for provide IT skill education to students of rural areas to build a skillful youthbase. Main branch and institute is running in Fatehpur U.P named Domo Digital Learning.

Frequently Asked Questions

Online Computer Study  website provides basic knowledge of computers according to the syllabus of government educational programs like CCC, ADCA, DCA, etc.

Website is also carry the knowledge about Shortcut-keys, Computer glossary, Abbreviation (Full Form), CCC Mock test for better preparation to crack the Exams. 

CCC is a foundational computer literacy program that teaches key computer literacy skills, such as word processing, spreadsheets, and internet uses.

Online CCC practise tests offer a simulated exam environment and assess candidates’ knowledge and readiness for the CCC exam, according to the website.

To pass the CCC exam the first time, completely go over the entire syllabus, take online practice exams, concentrate on your weak areas, manage your time during the exam, and remain cool and confident.

 A DCA is a “Diploma in Computer Application,” and an ADCA is a “Advanced Diploma in Computer Application.” A greater understanding of computer applications and principles is provided by ADCA, which often covers more advanced topics than DCA.

Opportunities for career after completing ADCA or DCA include those as a computer operator, data entry clerk, office assistant, customer support executive, and work in IT support and administration in numerous industries.

CCC certification offers you to work in computer operations, data entry, office help, customer service, and entry-level professions.

O Level, complete computer course covering advanced topics, and CCC, a fundamental computer literacy programmed, are both available at NIELIT.

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Online Computer Study

Online Computer Study offers free computer courses, study materials, mock tests and practical projects based on CCC, ADCA, and DCA syllabus.

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