INFORMATION TECHNOLOGY (IT)
Information Technology (IT)
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
جو اعلیٰ سطح کی زبان کو مشینی زبان میں تبدیل کرتا ہے؟
Language translators
Operating system
Utility programs
None of these
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Explanation
Language translators , such as compilers and interpreters. It convert high-level programming languages into machine language that a computer can execute. This process allows developers to write code in human-readable formats , which is then translated into the binary code understood by the computer's processor.
کمپیوٹر کو بوٹ کی سمت دیتا ہے۔ _____
BIOS
RAM
Hard Disk
None of these
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Explanation
BIOS (Basic Input/Output System) is responsible for initializing hardware. It providing the boot instructions when the computer is powered on. It performs a system check ( POST ) and then loads the operating system from the storage device (like the hard disk) into RAM .
اینڈرائیڈ میں آف لائن سنکرونائزیشن کیا ہے؟
Synchronization without internet
Synchronization with internet
Background synchronization
None of these
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Explanation
Offline synchronization allows data to be synchronized and accessed without an internet connection. It ensures the app works seamlessly by syncing changes once the internet is available.
اینڈرائیڈ میں لوکیشن حاصل کرنے کے لیے کونسی اجازتیں درکار ہیں؟
ACCESS_FINE and ACCESS_COARSE
GPRS permission
Internet permission
None of these
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Explanation
To get location in Android , you need to request the following permissions in your app's manifest:
ACCESS_COARSE_LOCATION : Allows the API to return an approximate location ACCESS_FINE_LOCATION : Allows the API to return a precise location ACCESS_BACKGROUND_LOCATION : Allows the app to access location in the background
اینڈرائیڈ میں سروسز اور تھریڈ میں کیا فرق ہے؟
Thread and services are having the same functionalities
Thread works on services
Services perform functionalities in the background. By default, services run on the main thread only
None of these
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Explanation
Services : Perform tasks in the background and continue running even if the user switches to another app. By default, they run on the main thread. Threads : Operate within the app's lifecycle, are used for parallel execution, and stop when the app stops.
ایک بار ڈیوائس پر انسٹال ہونے کے بعد، ہر اینڈرائیڈ ایپلیکیشن ______ میں رہتی ہے؟
Security sandbox
Device memory
External memory
None of these
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Explanation
Each Android application lives in a security sandbox . It ensuring isolation from other apps for data and security protection . This sandbox prevents unauthorized access to the app's files and resources.
جن میں عام طور پر بہت چھوٹے خلیات ہوتے ہیں، خاص طور پر گنجان آباد علاقوں میں؟
2.5G system
3G system
3.5G system
None of these
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Explanation
2.5G systems are typically characterized by very small cells, especially in densely populated areas. This allows for efficient frequency reuse and improved network capacity .
بنیادی جی ایس ایم ______ ٹریفک چینلز پر مبنی ہے۔
Connectionless
Packet switching
Connection oriented
None of these
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Explanation
The basic GSM is based on Connection oriented traffic channels. It ensuring a dedicated connection during communication. This approach guarantees continuous data transmission between users.
میں، فریکوئنسی سپیکٹرم کو چھوٹے سپیکٹرا میں تقسیم کیا جاتا ہے اور ہر صارف کے لیے مختص کیا جاتا ہے۔ _____
TDMA
FDMA
CDMA
None of these
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Explanation
In FDMA , the frequency spectrum is divided into smaller spectra, with each user allocated a specific frequency band. This ensures simultaneous communication by separating users via distinct frequency channels.
موبائل مواصلاتی ماحول میں موصول ہونے والے ریڈیو سگنل کا دھندلا پن ______ کی وجہ سے ہوتا ہے؟
Multipath propagation
Direct propagation
Bi-Path propagation
None of these
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Explanation
Fading occurs due to Multipath propagation , where signals take multiple paths to reach the receiver, causing interference. This is a common phenomenon in mobile communication environments.
