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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An optical mouse detects its movement by using:
सही उत्तर: ख) an LED or laser light and a small image sensor
The sensor takes many images of the surface per second and compares them to compute movement.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Caps Lock, Num Lock and Scroll Lock keys, which switch a mode on or off each time they are pressed, are called:
सही उत्तर: क) toggle keys
Each press toggles the mode between on and off, usually shown by a keyboard indicator light.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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On a PC sound card with colour-coded 3.5 mm jacks, the lime green jack is used for:
सही उत्तर: ख) line-out to speakers or headphones
Green is line-out (speakers), pink is microphone and light blue is line-in.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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On older PCs with colour-coded PS/2 ports, the purple port was used for the:
सही उत्तर: घ) keyboard
By the PC 99 colour code, the PS/2 keyboard port is purple and the PS/2 mouse port is green.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The maximum signalling rate of USB 3.0 (SuperSpeed USB) is:
सही उत्तर: ग) 5 Gbps
USB 3.0 SuperSpeed signals at 5 Gbps, about ten times USB 2.0's 480 Mbps.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The FireWire interface, once common on camcorders and Apple computers, is standardised as:
सही उत्तर: क) IEEE 1394
FireWire is IEEE 1394; 802.3 is Ethernet, 1284 is the parallel port and 802.11 is Wi-Fi.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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On older PCs, the parallel (LPT) printer port used a D-type connector on the computer side with how many pins?
सही उत्तर: ग) 25
The PC parallel port used a DB-25 connector; the 36-pin Centronics connector was on the printer side.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Physical damage caused when the read/write head of a hard disk touches the spinning platter surface is called a:
सही उत्तर: घ) head crash
The head normally flies on a thin air cushion; contact with the platter scratches the surface and destroys data.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Under the MBR (Master Boot Record) partitioning scheme, a disk can have at most how many primary partitions?
सही उत्तर: क) 4
The MBR partition table has four entries; more partitions need an extended partition with logical drives.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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RAID 5 can survive the failure of one disk because it:
सही उत्तर: ख) stores parity information distributed across all disks
Lost data on a failed disk is rebuilt from the remaining data and parity blocks.
💬 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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