कम्प्युटर ज्ञान – Computer Knowledge MCQ
कम्प्युटर ज्ञान – IT प्रवेश
Computer Knowledge · IT Entrance – B.Sc. CSIT, BIT & BCA · ४०७ प्रश्न
४०७ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कम्प्युटर ज्ञान: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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Which HTML tag is used to define a paragraph?
सही उत्तर: ग) <p>
<p> ... </p> marks a paragraph; <h1> is a top-level heading.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is a web browser?
सही उत्तर: ख) Mozilla Firefox
Firefox is a browser; Google Search is a search engine and Apache is web server software.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the email address [email protected], the part 'abc.com.np' is the:
सही उत्तर: क) domain name of the mail server
The part after @ identifies the mail domain; 'ram' is the user name.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The Domain Name System (DNS) is used to:
सही उत्तर: ख) translate domain names into IP addresses
DNS resolves names such as www.example.com into the IP address of the server.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a ring topology without redundancy, what is the main drawback?
सही उत्तर: ग) Failure of one node or link can break the whole network
Data passes from node to node around the ring, so a single break interrupts the circuit.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A 25 MB file is downloaded over a 20 Mbps link. Ignoring overheads and taking 1 byte = 8 bits, the download time is:
सही उत्तर: घ) 10 s
25 MB = 200 Mb; time = 200 Mb ÷ 20 Mbps = 10 s.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How does a hub differ from a switch?
सही उत्तर: ग) A hub sends incoming data to all ports, while a switch sends it only to the destination port
A hub simply repeats signals to every port; a switch learns MAC addresses and forwards frames only where needed.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A walkie-talkie, where only one side can talk at a time, is an example of which transmission mode?
सही उत्तर: ग) Half duplex
Half duplex allows communication in both directions, but not at the same time.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A modem is needed to:
सही उत्तर: क) convert digital signals to analog and back for transmission
MOdulator-DEModulator: it modulates digital data onto a carrier and demodulates it at the other end.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many usable host addresses are there in an IPv4 subnet with prefix /27?
सही उत्तर: ख) 30
/27 leaves 5 host bits: 2^5 = 32 addresses, minus network and broadcast = 30 usable hosts.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।