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 Energy Star label on computers and monitors indicates that the product:
सही उत्तर: ग) Meets energy-efficiency standards
Energy Star is an energy-efficiency certification; such equipment uses less power, for example in sleep mode.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Long hours of keyboard and mouse use with poor posture can cause pain in the wrists and fingers known as:
सही उत्तर: क) Repetitive Strain Injury (RSI)
RSI (including carpal tunnel syndrome) results from repeated movements; ergonomic posture and breaks help prevent it.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Software that sits between the operating system and applications, letting different applications communicate (for example message queues or application servers), is called:
सही उत्तर: ख) Middleware
Middleware provides common services such as messaging and data access that connect distributed applications.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Software developed specially to meet the requirements of one particular organisation is called:
सही उत्तर: घ) Tailor-made (custom) software
Custom software is built to order for a client, while packaged software is sold ready-made to many users.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Software whose author has given up all copyright, so anyone may use, copy and change it freely, is called:
सही उत्तर: घ) Public domain software
Public domain software has no copyright owner; freeware and open source are still copyrighted under a licence.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which storage unit is 1024 times larger than an exabyte (binary convention)?
सही उत्तर: ख) Zettabyte
The sequence is ... PB, EB, ZB, YB, each 1024 times the previous, so 1 ZB = 1024 EB.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The word 'bit' is a short form of:
सही उत्तर: ग) Binary digit
A bit (binary digit) is the smallest unit of data, having the value 0 or 1.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A hard disk sold as '500 GB' (decimal, 10^9 bytes per GB) is shown by an operating system that uses binary units as about:
सही उत्तर: क) 465 GiB
500 x 10^9 / 1024^3 = 500,000,000,000 / 1,073,741,824 = about 465.7 GiB.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A network link transfers data at 100 Mbps. Ignoring overheads, how many megabytes per second is this?
सही उत्तर: ख) 12.5 MB/s
There are 8 bits in a byte, so 100 megabits per second / 8 = 12.5 megabytes per second.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Computer monitors produce colours using which additive colour model?
सही उत्तर: घ) RGB
Screens emit red, green and blue light in varying intensities; adding all three at full gives white.
💬 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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