Information Technology (IT) MCQs - Computer Practice | PakExamPoint
Practise Information Technology (IT) MCQs in Computer. Attempt multiple-choice questions, check answers and revise related subtopics.
Information Technology (IT) MCQs and revision practice
Study Information Technology (IT) through multiple-choice questions in Computer. This subtopic contains 2241 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Information Technology (IT) MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.
کریپٹوگرافی جس میں ایک پبلک کی اور ایک پرائیوٹ کی استعمال ہوتی ہے، کیا کہلاتی ہے؟
A. Hashing
B. Steganography
C. Symmetric Key Cryptography
D. Asymmetric Key Cryptography
Check answer and explanation
Answer: Asymmetric Key Cryptography
Explanation In Asymmetric Key Cryptography, two keys are used: Public Key – shared openly to encrypt data Private Key – kept secret to decrypt data This method ensures secure communication without sharing a secret key beforehand Last updated 15-feb-2026
مین فریم اور سپر کمپیوٹر کے درمیان بنیادی فرق کیا ہے؟
A. Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible
B. None of the above
C. Super computer is much larger than mainframe computers
D. Super computers are much smaller than mainframe computers
E. Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
Check answer and explanation
Answer: Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
Explanation The main difference between a mainframe and a super computer of Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently.
مندرجہ ذیل میں کون سا آپشن لینکس انٹرپروسیس مواصلات (ایل پی سی) کے حوالے سے سگنل کی وضاحت کرتا ہے؟
A. Signals eliminate the page faults in operating system
B. Signals are asynchronous messages sent to a process
C. None of these
D. Signals provide communication with external devices
Check answer and explanation
Answer: Signals are asynchronous messages sent to a process
Explanation In Linux Interprocess Communication (IPC), signals are used to notify a process that a particular event has occurred. They are asynchronous , meaning they can arrive at any time, regardless of what the process is doing.
ایک سسٹم سافٹ ویئر جو آپریٹنگ سسٹم کو کسی ڈیوائس کے ساتھ بات چیت کرنے میں مدد کرتا ہے کیا کہلاتا ہے
A. Device driver
B. Operating system
C. Utility
D. graphics software
Check answer and explanation
Answer: Device driver
Explanation System software that helps OS to communicate with a device is called a Device driver. An operating system (OS) is a type of system software that controls how computer hardware and software resources are used and offer basic services to other software applications.
ڈیٹا پر کارروائی کرنے والے اجزاء ______ میں واقع ہیں؟
A. Output Devices
B. None of these
C. Input Devices
D. System Unit
Check answer and explanation
Answer: System Unit
Explanation The system unit houses the key components responsible for processing data, such as the CPU, memory, and motherboard. It is the core part of the computer where calculations and data processing occur.
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