IT प्रवेश – B.Sc. CSIT, BIT, BCA
IT प्रवेश – B.Sc. CSIT, BIT, BCA
IT Entrance – B.Sc. CSIT, BIT & BCA · २,६०७ प्रश्न
२,६०७ प्रश्न उपलब्ध। मोड छान्नुहोस्:
IT प्रवेश: 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 a characteristic feature of a 'distributed operating system'? (a) A single processor handles all tasks. (b) Processing is performed by multiple interconnected computers. (c) It relies entirely on a centralized database server. (d) It requires specialized hardware for optimal performance.
सही उत्तर: ख) (b) Processing is performed by multiple interconnected computers.
A distributed operating system involves dividing tasks among several computers that communicate with each other, making it a key difference from a single-processor system. (a) is the opposite; (c) describes a client-server model, and (d) isn't necessarily required.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In computer networking, what does 'IP address' represent? (a) A physical address of a network device. (b) A logical address that uniquely identifies a device on a network. (c) The bandwidth of the network connection. (d) The encryption key for secure communication.
सही उत्तर: ख) (b) A logical address that uniquely identifies a device on a network.
An IP (Internet Protocol) address is a unique numerical label assigned to each device connected to a computer network, enabling data to be routed between them – it's a logical identifier. (a) describes a MAC address; (c) bandwidth and (d) encryption keys.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What does the term 'RAM' stand for in computer terminology? (a) Readily Available Memory (b) Random Access Memory (c) Rapid Application Module (d) Remote Area Management
सही उत्तर: ख) (b) Random Access Memory
RAM (Random Access Memory) is volatile memory that allows the CPU to access data quickly and directly. Option (a) is a descriptive phrase; (c) is related to software modules, and (d) refers to geographical concepts.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which of the following best describes the primary function of a compiler? (a) To directly execute instructions. (b) To translate high-level programming languages into machine code. (c) To manage computer memory. (d) To create graphical user interfaces.
सही उत्तर: ख) (b) To translate high-level programming languages into machine code.
A compiler converts human-readable source code (like C++ or Java) into equivalent machine code that the processor can directly execute. Option (a) is incorrect because execution is the role of the CPU; (c) relates to memory management and (d) to UI design.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In Boolean algebra, if A + A·B is simplified, the result is:
सही उत्तर: घ) A + B
The expression A + A·B can be simplified using the distributive property: A + AB. Therefore, 'A + AB only' is the correct answer. The other options are incorrect because they either leave terms unsimplified or result in an incorrect simplification.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In the context of computer networks, what does 'bandwidth' primarily measure?
सही उत्तर: ख) The maximum data transfer rate over a network connection
Bandwidth represents the capacity of a network connection – specifically, how much data can be transmitted per unit of time (e.g., bits per second). The other options relate to different aspects of networking.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The process of converting data from one format to another without losing information is called:
सही उत्तर: ग) Encoding
Encoding refers to transforming data into a different representation (like ASCII or Unicode) while maintaining its original meaning. Encryption focuses on security, compression reduces file size, and hashing produces a unique fixed-size string based on the input data.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Consider the following binary number: 101101. What is its equivalent in decimal?
सही उत्तर: ख) 35
To convert 101101 (binary) to decimal, we perform the calculation: (1 * 2^5) + (0 * 2^4) + (1 * 2^3) + (1 * 2^2) + (0 * 2^1) + (1 * 2^0) = 32 + 0 + 8 + 4 + 0 + 1 = 45. Thus, the decimal equivalent is 45.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What does the term ‘algorithm’ refer to in the context of computer science?
सही उत्तर: ख) A step-by-step procedure for solving a problem
An algorithm is a well-defined, step-by-step process or set of rules used to solve a particular problem. It's a foundational concept in computer science. The other options represent different computer concepts.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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What does RAM stand for, commonly used in computer systems?
सही उत्तर: क) Random Access Memory
RAM stands for Random Access Memory. This is the primary memory of a computer where data is stored for immediate access by the processor. The other options are not standard definitions of RAM.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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