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.
مندرجہ ذیل میں سے ایک قسم کا کمپیوٹر نیٹ ورک ہے جو کسی بڑے جغرافیائی علاقے ، جیسے کسی ملک کا احاطہ کرتا ہے؟
A. Metropolitan Area Network (MAN)
B. Wide Area Network (WAN)
C. Local Area Network (LAN)
D. None of these
Check answer and explanation
Answer: Wide Area Network (WAN)
Explanation A WAN covers a large geographic area, often spanning cities, countries, or continents. It connects multiple LANs and MANs for communication and data sharing over long distances.
Explanation To send email, we use Outlook (or other email clients like Gmail, Yahoo, etc.). Email (Electronic Mail) is a way to send messages electronically via the internet. Email clients like Outlook, Gmail, Yahoo , etc. allow users to compose, send, and receive emails. Emails typically consist of a sender, recipient, subject, and message body. Emails can also include attachments , such as files or images. Email is a popular form of communication in personal and professional settings.
رابن اور کارپ الگورتھم کا پری پروسیسنگ کا وقت کیا ہے؟
A. Big-Oh(n)
B. Theta(m2)
C. Theta(m)
D. Theta(mlogn)
Check answer and explanation
Answer: Theta(m)
Explanation The pre-processing time of Rabin and Karp Algorithm is Theta(m) . The for loop in the pre-processing algorithm runs for m (the length of the pattern) times, hence the pre-processing time is Theta(m). This is the time complexity of the pre-processing phase of the Karp-Rabin algorithm.
Explanation Cyberbullying involves using digital platforms to threaten, harass, or humiliate someone. It includes actions like sending harmful messages, spreading rumors, or sharing private information online.
مندرجہ ذیل میں سے کون سا اینٹی وائرس سافٹ ویئر کی قسم نہیں ہے؟
A. Norton
B. Avast
C. Chrome
D. McAfee
Check answer and explanation
Answer: Chrome
Explanation Chrome is a web browser, not antivirus software. Norton, McAfee, and Avast are all well-known antivirus programs used to detect and remove malware.
Explanation 1 Kilobyte (KB) = 1024 bytes One Megabyte (MB) = 1 024 Kilobytes (KB One Gigabyte (GB) = 1 024 Megabytes MB One Terabyte (TB)= 1024 gigabytes (GB). The size of information in the computer is measured in: Kilobytes (KB) Megabytes (MB) Gigabytes (GB) Terabytes (TB) Last verified on 08-02-2026
A. When threads block each other permanently while waiting for resources
B. When threads execute sequentially
C. When threads share data safely
D. When threads finish too quickly
Check answer and explanation
Answer: When threads block each other permanently while waiting for resources
Explanation A deadlock occurs when two or more threads wait indefinitely for resources held by each other . None of the threads can procee d , causing the program to freeze . Deadlocks often happen when threads acquire multiple locks in different orders . Proper resource management and lock ordering help prevent deadlocks. Deadlocks are a key concern in multithreading and concurrent programming .
D. A collection of linked information residing on computer connected by the internet
Check answer and explanation
Answer: A collection of linked information residing on computer connected by the internet
Explanation The World Wide Web -- also known as the Web, WWW, or W3 - - refers to all the public websites or pages that users can access on their local computers and other devices through the Internet . World Wide Web (WWW) World-Wide Web Worm (WWWW) English scientist Tim Berners-Lee invented the World Wide Web in 1989. WWW Birth place CERN near Geneva, Switzerland. The browser was released for general public in August 1991 .
غیر مشینی زبان میں لکھے گئے پروگرام کو کیا کہتے ہیں۔
A. translator program
B. source program
C. All
D. Machine program
Check answer and explanation
Answer: source program
Explanation A program written in a non-machine language is called source code. Source code refers to the code written in high-level programming languages like C, Java, Python, etc ., which must be compiled or interpreted into machine language for execution by a computer.
کون سی ہیڈر فائل میں عام ریاضی کے افعال کے بارے میں معلومات شامل ہیں؟
A. stdo.h
B. maths.h
C. None of these
D. math.h
Check answer and explanation
Answer: math.h
Explanation math.h is the standard C/C++ header file that contains declarations for common mathematical functions like sqrt(), pow(), sin(), etc. It must be included when using built-in math operations in programs.
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