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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An instruction such as ADD A, B, C, which names two source operands and a separate destination, uses which instruction format?
सही उत्तर: घ) Three-address
Three address fields are given: two sources (B and C) and one destination (A).
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Compared with a microprogrammed control unit, a hardwired control unit is generally:
सही उत्तर: ख) faster but harder to modify
Hardwired control uses fixed logic circuits, giving high speed but requiring redesign for any change.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The term 'von Neumann bottleneck' refers to:
सही उत्तर: क) the limited data transfer rate between the CPU and memory over a shared path for instructions and data
Because instructions and data travel over the same path between CPU and memory, the processor often waits for memory.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Branch prediction in a pipelined processor is used to:
सही उत्तर: ख) guess the outcome of a branch so the pipeline can keep fetching instructions
Predicting branches avoids stalling the pipeline while the actual branch outcome is being computed.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Simultaneous multithreading, marketed by Intel as Hyper-Threading, allows:
सही उत्तर: ग) one physical core to run two threads at once, appearing as two logical processors
SMT duplicates the architectural state so one core can issue instructions from two threads, appearing to the OS as two logical CPUs.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the classic five-stage RISC pipeline (IF, ID, EX, MEM, WB), which stage comes immediately after instruction decode?
सही उत्तर: घ) Execute (EX)
The order is fetch, decode, execute, memory access and write back.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Most RISC processors follow a load/store architecture, which means that:
सही उत्तर: घ) only load and store instructions access memory, while arithmetic works on registers
In a load/store design, operands are first loaded into registers, processed there, and results are stored back by separate instructions.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which logic family is built using bipolar junction transistors?
सही उत्तर: घ) TTL
TTL uses bipolar junction transistors, whereas CMOS, NMOS and PMOS are based on MOSFETs.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Standard TTL (transistor-transistor logic) integrated circuits operate from a supply voltage of:
सही उत्तर: ग) 5 V
The 74-series TTL family is designed for a nominal +5 V supply.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A universal shift register is one that can:
सही उत्तर: ग) shift left, shift right and load data in parallel
A universal shift register supports hold, shift-left, shift-right and parallel-load modes chosen by select inputs.
💬 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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