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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
آپریٹنگ سسٹم کا وہ حصہ جو ہارڈویئر وسائل کو منظم کرتا ہے، کیا کہلاتا ہے؟
- Compiler
- Kernel
- Browser
- Application Software
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The Kernel (operating system) is the core part of an operating system.
It manages:
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CPU (processor)
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Memory (RAM)
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Input/Output devices
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Hardware resources
The kernel acts as a bridge between hardware and software.
Last updated 15-feb-2026
یونکس میں کون سا سسٹم کال نیا پروسیس بناتا ہے؟
- exec()
- fork()
- wait()
- exit()
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Explanation
The fork (system call) system call is used in Unix to create a new process.
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It creates a child process that is an exact copy of the parent process.
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After fork(), both parent and child processes run independently.
Last updated 15-feb-2026
ونڈوز ۱۰ میں بیک اپ اور ریسٹور میں کون سا درست آپشن ہے؟
- Disk Cleanup
- File History
- Task Manager
- Device Manager
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Explanation
In Windows 10, File History is a built-in backup feature.
It allows users to:
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Automatically back up personal files
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Restore previous versions of files
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Recover deleted documents
It is available under Backup Settings in Windows 10
Last updated 15-feb-2026
چیک پوائنٹس کیا ہوتے ہیں؟
- Security passwords
- Backup copies of software
- Saved states of a system for recovery
- Antivirus programs
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Explanation
A checkpoint is a saved state of a system, database, or process.
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In databases, it saves the current state so recovery can start from that point.
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In operating systems, it helps restore the system after failure.
It improves reliability and recovery speed.
Last updated 15-feb-2026
فائلز کو کس چیز سے پہچانا جاتا ہے؟
- Size
- Name
- Extension
- Date
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Explanation
Files are recognized by their file extension, which appears after the dot (.) in a filename.
For example:
The extension tells the operating system which program should open the file.
Last updated 15-feb-2026
- A key that uniquely identifies a record in the same table
- A key used to delete records
- A field in one table that refers to the primary key of another table
- A password for database security
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Explanation
A foreign key is a column in one table that creates a link to the primary key of another table.
It helps to:
It is an important concept in relational databases.
- Table
- Query
- Datasheet view
- Form
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Explanation
Sheet (5 letters): When you open a table or query results, Access displays the data in "Datasheet view,"
Additional information:
Table (5 letters): A primary object used to store data in a structured, row-and-column format.
Query (5 letters): An object used to find, retrieve, and manipulate data from tables.
Last updated 15-feb-2026
مائیکروسافٹ ورڈ میں کون سی خصوصیت آپ کو مواد کی میز بنانے کی اجازت دیتی ہے؟
- Page Layout
- Review
- References
- Home
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Explanation
With your document open, select the "References" tab on the ribbon, then select "Table of contents.
Last updated 15-feb-2026
ایم ایس ایکسل میں کون سی شارٹ کٹ کلید اگلی ورک شیٹ ٹیب پر سوئچ کرتی ہے؟
- Ctrl + Page up
- Ctrl + Home
- Ctrl + Page down
- Ctrl + End
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Explanation
- Next Sheet: Ctrl + Page Down
- Previous Sheet: Ctrl + Page Up
Last updated 15-feb-2026
ایکسل ورک بک کس کا مجموعہ ہے؟
- Worksheets and Charts
- Charts
- Worksheets
- Workbooks
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Explanation
An Excel workbook is a collection of worksheets
It can also contain charts, macros, and other data
A workbook is the Excel file itself, typically with an .xlsx extension.
Contents: It holds one or more worksheets (grid-based spreadsheets).
Last updated 15-feb-2026
