कम्प्युटर र सूचना प्रविधि (प्राविधिक)
कम्प्युटर र सूचना प्रविधि (प्राविधिक)
Computer & IT (Technical) · ५,०७६ प्रश्न
५,०७६ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कम्प्युटर र IT: 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 hierarchical data model organises data in the form of a:
सही उत्तर: घ) Tree structure with parent-child records
In the hierarchical model (e.g., IBM's IMS) each child record has exactly one parent, forming a tree.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A new attribute is added to a table in the conceptual schema, yet existing application programs and user views keep working unchanged. This is possible because of:
सही उत्तर: ग) Logical data independence
Logical data independence is the ability to change the conceptual schema without changing the external schemas or the programs written against them.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The overall design of a database, which changes rarely, is called its schema. The data stored in the database at a particular moment is called a(n):
सही उत्तर: ख) Instance
A schema is the logical structure; an instance (database state) is the actual collection of data at a given time.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The person responsible for the overall control of a database system, including schema definition, access authorization and backup, is the:
सही उत्तर: क) Database Administrator (DBA)
The DBA defines the schema and storage structures, grants access rights, monitors performance and arranges backup and recovery.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In MS PowerPoint, an animation 'Trigger' makes an effect play when:
सही उत्तर: ग) A specific object on the slide is clicked
With a trigger (Animations → Trigger → On Click of), the effect runs only when the chosen object is clicked, which is useful for quizzes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In MS PowerPoint, a presentation can be saved as a video using the format:
सही उत्तर: ख) .mp4
File → Export → Create a Video saves the presentation as an MPEG-4 (.mp4) or Windows Media (.wmv) video.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which PowerPoint transition (available in PowerPoint 2019 and Microsoft 365) smoothly animates objects that appear on two consecutive slides from their old position to the new one?
सही उत्तर: क) Morph
Morph detects objects common to both slides and animates their movement, size and colour changes automatically.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In MS PowerPoint, a 'Custom Slide Show' is used to:
सही उत्तर: घ) Present only a selected group of slides from the presentation, in a chosen order
Custom Show (Slide Show tab) lets the same file be presented to different audiences using different subsets of slides.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In PowerPoint 2013 and later, the default slide size of a new presentation is:
सही उत्तर: ग) Widescreen (16:9)
Since PowerPoint 2013 new presentations use the 16:9 widescreen size; 4:3 remains available under Slide Size.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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During an MS PowerPoint slide show, pressing Ctrl + P:
सही उत्तर: ख) Changes the mouse pointer to a pen for drawing on the slide
Ctrl + P selects the pen for annotating slides during the show; Ctrl + A returns to the arrow pointer.
💬 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।
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