कम्प्युटर ज्ञान – Computer Knowledge MCQ
कम्प्युटर ज्ञान – IT प्रवेश
Computer Knowledge · IT Entrance – B.Sc. CSIT, BIT & BCA · ३९१ प्रश्न
३९१ 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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What is the purpose of a compiler?
सही उत्तर: ख) To translate high-level code into machine code
A compiler translates human-readable source code (like C or Java) into machine code that a computer can understand and execute. The other options describe different functionalities of software, but not the core task of translation.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A computer program is designed to sort a list of numbers from smallest to largest. Which sorting algorithm would typically be considered most efficient for large datasets?
सही उत्तर: ग) Merge Sort
Merge Sort uses a divide-and-conquer approach and is generally the most efficient sorting algorithm for large datasets. Bubble Sort and Insertion Sort are less efficient, while Selection Sort has poor performance for larger lists.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following is a fundamental principle behind the design of relational databases?
सही उत्तर: ख) Normalization
Normalization in database design aims to reduce data redundancy and improve data integrity. The other options represent different programming paradigms or tools, not core database principles.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a binary system, what does the decimal number '1011' convert to?
सही उत्तर: ग) 7
Converting 1011 (binary) to decimal: (1 * 2^3) + (0 * 2^2) + (1 * 2^1) + (1 * 2^0) = 8 + 0 + 2 + 1 = 11. This makes option '7' the closest plausible incorrect answer.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following represents the correct size of 1 kilobyte (KB)?
सही उत्तर: क) 1024 Bytes
1 Kilobyte is equal to 1024 bytes. This is a standard definition in computer science. The other options represent larger or smaller values.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What does RAM stand for?
सही उत्तर: क) Random Access Memory
RAM stands for Random Access Memory, which is a type of volatile memory allowing quick access to data. The other options are incorrect as they relate to different aspects of computing.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The following code snippet in Python calculates the result: `x = 5; y = 2; print(x % y * (x - y))` What is the output?
सही उत्तर: ख) 10
First, `x % y` evaluates to 5 % 2 which is 1. Then, `1 * (x - y)` evaluates to 1 * (5 - 2) = 1 * 3 = 3. The answer is 3.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following best describes the role of RAID (Redundant Array of Independent Disks)?
सही उत्तर: ग) A storage technology combining multiple disks for increased performance and/or redundancy
RAID systems combine multiple hard drives to improve performance (speed) and/or provide data protection against drive failure. The other options represent distinct technologies.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The concept of ‘virtual memory’ primarily aims to:
सही उत्तर: ख) Allow programs to utilize more memory than physically available
Virtual Memory allows programs to access more memory than is physically present by using disk space as an extension of RAM. This creates the illusion of larger contiguous memory blocks.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the context of computer networks, what does TCP stand for?
सही उत्तर: क) Transmission Control Protocol
TCP (Transmission Control Protocol) is a foundational protocol in internet communication, responsible for reliable data transfer between computers. It manages packet sequencing and error detection.
💬 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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