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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The number of times a monitor redraws the image each second is called its:
सही उत्तर: ग) refresh rate
Refresh rate is measured in hertz (Hz), e.g. 60 Hz means 60 redraws per second.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The printing speed of a dot-matrix printer is commonly expressed in:
सही उत्तर: घ) characters per second (cps)
Character printers such as dot-matrix printers are rated in characters per second.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A laser printer forms the printed image on paper by using:
सही उत्तर: घ) toner fused onto the paper by heat
A laser draws the image on a charged drum, toner sticks to it, and a fuser melts the toner onto the paper.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A barcode reader is an example of a/an:
सही उत्तर: घ) input device
A barcode reader captures data from printed barcodes and sends it into the computer.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which pen-shaped input device detects light from a CRT screen to select or draw directly on it?
सही उत्तर: ख) Light pen
A light pen senses the screen's light at a point, letting the user point to or draw on the display.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The RJ-45 connector is mainly used to connect:
सही उत्तर: घ) Ethernet network cables
RJ-45 is the 8-pin modular connector used with twisted-pair Ethernet cables.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which port uses a 15-pin D-sub connector and was traditionally used for analog video output to monitors?
सही उत्तर: घ) VGA
VGA carries analog RGB video over a 15-pin DE-15 connector; HDMI, DVI-D and DisplayPort are digital.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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NVMe solid-state drives achieve very high speeds because they connect through which bus?
सही उत्तर: घ) PCI Express (PCIe)
NVMe is a protocol designed for SSDs that communicate directly over PCIe lanes, bypassing SATA limits.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which interface is commonly used to connect internal hard disks and 2.5-inch SSDs to the motherboard in modern PCs?
सही उत्तर: ख) SATA
Serial ATA (SATA) replaced parallel ATA (IDE) as the standard internal drive interface.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Blu-ray discs get their name from the colour of the laser used, which is:
सही उत्तर: ग) blue-violet (about 405 nm)
Blu-ray uses a 405 nm blue-violet laser; its shorter wavelength allows denser data than DVD (red) or CD (infrared).
💬 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।
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