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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A Braille embosser is a/an:
सही उत्तर: ख) Output device that prints raised dots for visually impaired users
A Braille embosser is a printer that punches raised Braille dots onto paper.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which type of touch screen responds to pressure, so it works with a plastic stylus or a gloved finger?
सही उत्तर: घ) Resistive
A resistive screen detects the point where pressure presses two conductive layers together, so any object can be used.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The letter 'p' in display formats such as 720p and 1080p stands for:
सही उत्तर: क) Progressive scan
Progressive scan draws every line of each frame in sequence; 'i' (as in 1080i) means interlaced.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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DVD drives read data with a red laser whose wavelength is about:
सही उत्तर: ग) 650 nm
CDs use about 780 nm (infrared), DVDs about 650 nm (red) and Blu-ray 405 nm (blue-violet); shorter wavelength allows denser data.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The basic '1x' data rate of a CD-ROM drive is about:
सही उत्तर: ग) 150 KB/s
1x CD-ROM speed is about 150 KB/s, so a 52x drive reads up to about 7.8 MB/s.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The 512-byte Master Boot Record in the first sector of a disk ends with which two-byte boot signature?
सही उत्तर: क) The bytes 55h and AAh
The last two bytes of a valid MBR are 55h AAh; firmware checks this signature before running the boot code.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A major advantage of GPT over MBR partitioning is that GPT:
सही उत्तर: ख) Supports disks larger than 2 TB and many more partitions
MBR uses 32-bit sector numbers (about 2 TB limit with 512-byte sectors) and four primary partitions; GPT uses 64-bit addressing and many partitions.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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On modern motherboards and laptops, M.2 refers to:
सही उत्तर: घ) A small expansion-card form factor commonly used for SSDs
M.2 is a compact slot and card format; M.2 SSDs can use either SATA or PCIe/NVMe signalling.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A parallel ATA (IDE) hard disk connects to the motherboard through a ribbon-cable connector with how many pins?
सही उत्तर: घ) 40
PATA/IDE uses a 40-pin connector (with 40- or 80-wire cable); SATA data uses 7 contacts.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Marking the surface of a blank disk into tracks and sectors is called:
सही उत्तर: ख) Low-level (physical) formatting
Low-level formatting creates the physical track and sector layout; high-level formatting then writes a file system.
💬 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।
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