कम्प्युटर ज्ञान – Computer Knowledge MCQ
कम्प्युटर ज्ञान – IT प्रवेश
Computer Knowledge · IT Entrance – B.Sc. CSIT, BIT & BCA · ४०५ प्रश्न
४०५ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कम्प्युटर ज्ञान: 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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Which of the following is system software?
सही उत्तर: ग) Operating system
System software manages the hardware and provides a platform for application programs; the OS is the main example.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which output device is best suited for printing large engineering drawings and maps?
सही उत्तर: क) Plotter
Plotters draw continuous lines on large sheets, so they are used for architectural and engineering drawings.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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OCR software is used to:
सही उत्तर: ख) convert scanned printed text into editable text
Optical Character Recognition recognises the shapes of letters in an image and converts them into characters.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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MICR technology is mainly used by:
सही उत्तर: ग) banks to read cheque numbers
Magnetic Ink Character Recognition reads the special magnetic-ink characters printed on cheques.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A solid state drive (SSD) stores data in:
सही उत्तर: ख) NAND flash memory chips
An SSD has no moving parts; it uses non-volatile NAND flash memory.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Virtual memory is a technique in which:
सही उत्तर: क) part of the secondary storage is used as an extension of main memory
The OS moves pages between RAM and disk so programs larger than physical RAM can run.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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How many kilobytes are there in 2 MB? (1 MB = 1024 KB)
सही उत्तर: घ) 2048 KB
2 × 1024 KB = 2048 KB.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which list shows storage from fastest to slowest?
सही उत्तर: ग) Registers, cache, RAM, hard disk
In the memory hierarchy, CPU registers are fastest, then cache, then main memory (RAM), then secondary storage such as the hard disk.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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RISC processors are characterised by:
सही उत्तर: क) a small set of simple, mostly fixed-length instructions
Reduced Instruction Set Computers use simple instructions that usually execute in one clock cycle, which suits pipelining.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A CPU has a 24-bit address bus and each address holds one byte. The maximum memory it can address is:
सही उत्तर: ख) 16 MB
2^24 bytes = 16,777,216 bytes = 16 MB.
💬 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।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।