कम्प्युटर / सूचना प्रविधि कम्प्युटर अपरेटर (पाँचौँ तह) र सहायक – प्राविधिक पत्र
कम्प्युटर / सूचना प्रविधि – कम्प्युटर अपरेटर (पाँचौँ तह) र सहायक
Computer Operator & Assistant · Computer & IT Posts
१,५०२ प्रश्न उपलब्ध। मोड छान्नुहोस्:
प्राविधिक पत्र: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ५ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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One nanosecond is equal to:
सही उत्तर: क) 10^-9 second
Nano means 10^-9; micro is 10^-6, milli is 10^-3 and pico is 10^-12.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A processor with a 32-bit word size can process how many bytes as a single word?
सही उत्तर: क) 4
32 bits / 8 bits per byte = 4 bytes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Software permanently stored in a hardware device's non-volatile memory to control that device is known as:
सही उत्तर: ख) firmware
Firmware is low-level software held in ROM or flash memory on devices such as motherboards and routers.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Software that lets the operating system communicate with and control a specific hardware device is called a:
सही उत्तर: ग) device driver
A device driver translates OS requests into commands that a particular hardware device understands.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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After the power-on self-test, which small program locates and starts loading the operating system?
सही उत्तर: क) Bootstrap loader
The bootstrap loader (boot loader) loads the OS kernel from storage into memory.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The firmware interface that has largely replaced the legacy BIOS in modern PCs is:
सही उत्तर: ग) UEFI
UEFI (Unified Extensible Firmware Interface) replaces BIOS, supporting large GPT disks, secure boot and faster startup.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In an LCD monitor, the light seen by the user is produced by:
सही उत्तर: ग) a backlight behind the liquid-crystal panel
Liquid crystals do not emit light; they control how much light from the backlight (CCFL or LED) passes through.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A Full HD (1080p) display has a resolution of:
सही उत्तर: क) 1920 x 1080 pixels
Full HD is 1920 x 1080; 1280 x 720 is HD and 3840 x 2160 is 4K UHD.
💬 टिप्पणी / गल्ती रिपोर्ट (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)
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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