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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In MS Excel, the formula =MOD(-8, 3) returns:
सही उत्तर: ग) 1
Excel's MOD gives a result with the same sign as the divisor: -8 = 3 × (-3) + 1, so the result is 1.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Cells A1 to A5 contain 5, the text 'abc', 7, nothing (blank) and 3. What does =COUNT(A1:A5) return?
सही उत्तर: ख) 3
COUNT counts only cells containing numbers: 5, 7 and 3, so the result is 3.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many cells are there in the Excel range B2:D5?
सही उत्तर: क) 12
Columns B to D = 3, rows 2 to 5 = 4; 3 × 4 = 12 cells.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In MS Excel, the formula =ROUND(15.678, 1) returns:
सही उत्तर: क) 15.7
Rounding to 1 decimal place: the next digit is 7 (≥ 5), so 15.6 rounds up to 15.7.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In MS Excel, what does =MAX(3, 9, 4) return?
सही उत्तर: क) 9
MAX returns the largest of its arguments, which is 9.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Nepal's law that gives legal recognition to electronic records and digital signatures and penalises computer crimes is the:
सही उत्तर: क) Electronic Transactions Act, 2063
The Electronic Transactions Act, 2063 (2008 AD) governs e-transactions, digital signatures and computer-related offences in Nepal.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Sending fake emails that pretend to come from a bank in order to steal passwords is called:
सही उत्तर: घ) phishing
Phishing uses deceptive messages and fake websites to trick users into revealing credentials.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A firewall is used to:
सही उत्तर: क) monitor and filter incoming and outgoing network traffic
A firewall allows or blocks traffic according to security rules.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Malware that copies itself and spreads across networks on its own, without attaching to a host file, is a:
सही उत्तर: घ) worm
A worm is self-replicating and self-propagating; a virus needs a host file and a Trojan does not replicate.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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When you send an email, recipients entered in the 'Bcc' field:
सही उत्तर: ग) receive the message, but their addresses are hidden from other recipients
Bcc (blind carbon copy) delivers a copy while keeping that address hidden from everyone else.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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