कम्प्युटर आधारभूत ज्ञान र हार्डवेयर – Computer Fundamentals & Hardware MCQ
कम्प्युटर आधारभूत ज्ञान र हार्डवेयर – कम्प्युटर र IT
Computer Fundamentals & Hardware · Computer & IT (Technical) · ५७४ प्रश्न
५७४ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कम्प्युटर आधारभूत ज्ञान र हार्डवेयर: 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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An inkjet printer is a/an:
सही उत्तर: क) non-impact printer that sprays tiny droplets of ink
Inkjet printers form characters by spraying ink droplets onto paper without striking it.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The characters printed at the bottom of bank cheques for MICR reading use:
सही उत्तर: घ) ink containing magnetic iron oxide particles
MICR characters are printed with magnetic ink so that the reader can sense their magnetic pattern.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Compared with a hard disk drive, a solid state drive is:
सही उत्तर: ख) faster and more shock resistant because it has no moving parts
SSDs use flash memory with no mechanical parts, giving fast access and good resistance to shocks.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Wear levelling in a solid state drive (SSD) is a technique that:
सही उत्तर: क) spreads write operations evenly over all flash blocks to extend the drive's life
Flash cells survive a limited number of write/erase cycles, so the controller distributes writes evenly.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The total time to access data on a hard disk is the sum of:
सही उत्तर: ख) seek time, rotational latency and transfer time
Disk access time = seek time + rotational delay + data transfer time.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Today, magnetic tape is mainly used for:
सही उत्तर: घ) backup and long-term archival storage
Tape is cheap per gigabyte and durable but sequential, so it suits backups and archives.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A CD-R disc can be:
सही उत्तर: ग) written once and read many times
CD-R (Recordable) is a WORM medium; CD-RW is the rewritable type.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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On a CD, data is recorded as:
सही उत्तर: क) pits and lands read by a laser beam
The laser detects the change in reflection between pits and lands to read binary data.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a hard disk, the set of tracks at the same position on all platter surfaces is called a:
सही उत्तर: ग) cylinder
All tracks that lie under the read/write heads at one arm position together form a cylinder.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A hard disk has 8 recording surfaces, 1000 tracks per surface, 100 sectors per track and 512 bytes per sector. Its capacity is:
सही उत्तर: घ) 409.6 MB (409,600,000 bytes)
Capacity = 8 x 1000 x 100 x 512 = 409,600,000 bytes = 409.6 MB.
💬 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।