SPSC SENIOR COMPUTER OPERATOR PAST PAPER 14-01-2025
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
کون سا پروٹوکول غیر محفوظ نیٹ ورک پر محفوظ مواصلاتی چینل قائم کرنے کے لیے استعمال ہوتا ہے؟
- HTTPS (SSL/TLS)
- DHCP
- FTP
- None of these
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Explanation
- HTTPS (SSL/TLS) is used to establish a secure channel of communication over a potentially insecure network.
- SSL (Secure Sockets Layer) and TLS (Transport Layer Security) are cryptographic protocols.
- They encrypt data to protect it from hackers during transmission.
- They ensure data confidentiality, integrity, and authentication.
- Commonly used in secure websites (HTTPS connections).
Last verified on 08-06-2026
کون سا شیڈولنگ الگورتھم سی پی یو وقت کو پروسیس کرنے کے لیے "ٹائم کوانٹم" کا استعمال کرتا ہے؟
- Priority Scheduling
- Round Robin (RR)
- Shortest Job First (SJF)
- None of these
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Explanation
Round Robin (RR) is a CPU scheduling algorithm that assigns each process a fixed time slice called a time quantum.
Each process runs for the duration of the time quantum and then moves to the end of the ready queue if it isn’t finished.
It is a preemptive scheduling algorithm, meaning a process can be interrupted when its time quantum expires.
متوازن بائنری سرچ ٹری میں کسی عنصر کی تلاش میں وقت کی پیچیدگی کیا ہے؟
- O(1)
- O(n)
- O(log n)
- None of these
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Explanation
In a balanced binary search tree, the height is proportional to log n, ensuring efficient searches.The time complexity is O(log n) as the search halves the tree at each step.Last verified on 23-03-2026
ڈیٹا اسٹوریج ٹیکنالوجیز میں آر اے آئی ڈی کا کیا مطلب ہے؟
- Reliable Array of Independent Disks
- Remote Access Information Database
- Redundant Array of Inexpensive Disks
- None of these
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Explanation
RAID stands for Redundant Array of Inexpensive Disks.It is a data storage technology Combines multiple disks to improve performance, reliability, or both.It uses redundancy to protect data against hardware failures.Last updated 15-feb-2026
گراف میں مختصر ترین راستہ تلاش کرنے کے لیے کون سا الگورتھم استعمال ہوتا ہے؟
- Decision Tree
- Dijkstra's Algorithm
- K-Nearest Neighbors
- None of these
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Explanation
Dijkstra's Algorithm is used to find the shortest path between nodes in a graph, especially for weighted graphs.It works by iteratively selecting the closest unvisited node and updating the shortest path estimates.
- Feminist
- Effeminate
- Philanderer
- Philatelist
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Explanation
A man who is womanish in his habits is known as Effeminate.
while
PHILANDERER is a man who has sexual relations with many women.
- Lyric
- Epic
- Sonnet
- None of these
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Explanation
- A poem of 14 lines is called a sonnet.
- It is a short lyric poem typically written in iambic pentameter.
There are 4 primary types of sonnets: Petrarchan, Shakespearean, Spenserian and Miltonic.
A sonnet usually consists of two parts: an eight-line section (the octet) followed by a six-line section (a sestet).
مندرجہ ذیل میں سے کون سی او او پی میں پولیمورفزم کی بہترین وضاحت کرتا ہے؟
- The process of grouping related objects together
- The ability of an object to take on many forms
- The relationship between clauses and their objects
- None of these
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Explanation
Polymorphism allows objects to be treated as instances of their parent class.This enabling them to take on different forms (e.g., method overriding or overloading).It promotes flexibility and reusability in object-oriented programming.
- [2, 6]
- [2, 4, 6]
- [4, 8]
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- The list comprehension iterates through
a, checks if num is even (num % 2 == 0), and if true, multiplies num by 2. - For the list
a = [1, 2, 3, 4], the even numbers are 2 and 4. Multiplying them by 2 gives 4 and 8.
Output: [4, 8]
ڈیٹا بیس میں ڈیٹا داخل کرتے وقت تاریخ داخل کرنے کا فارمیٹ کیا ہے؟
- ‘YYYY-MM-DD’
- “DD-MM-YYYY”
- YYYY-MM-DD
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The 'YYYY-MM-DD' format is the standard for entering dates in most databases (e.g., SQL).It ensures consistency and avoids confusion in date interpretation.
