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.

Continue your revision with related topics: 100 Most Repeated Computer MCQs MCQs, Computer Basic Hardware Components MCQs, Computer Short Questions MCQs, Computer Shortcut Keys MCQs, Important Abbreviations (Computer) MCQs, Internet and Social Media MCQs, Internet related Information MCQs, MS Access MCQs.

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Information Technology (IT): questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

1451. If evidence is altered accidentally, which security factor is compromised?

اگر شواہد غلطی سے بدل جائیں، تو کون سا سیکیورٹی عنصر متاثر ہوتا ہے؟

Check answer and explanation

Answer: Integrity

Explanation Integrity ensures that data or evidence remains accurate and unaltered. If evidence is accidentally changed, its integrity is compromised. Confidentiality relates to keeping information secret, not unchanged. Maintaining integrity is crucial i n forensics, databases, and cybersecurity. Tools like checksums and hashes help verify data integrity.

1452. Which of the following is a portable machine?

ان میں سے کونسی پورٹ ایبک مشین ہے؟

Check answer and explanation

Answer: Laptop

Explanation A laptop is a portable computer designed for mobile use. It combines screen, keyboard, and battery in one compact unit, easy to carry.

1453. _______________ button reloads the current document that the user is viewing.

Check answer and explanation

Answer: Refresh

Explanation Refresh is used to update content of a webpage . F5 is the shortcut key for Refresh .

1454. Which of the following carries information between processors and peripherals?

مندرجہ ذیل میں سے کون پروسیسرز اور پیری فیرلز کے درمیان معلومات رکھتا ہے؟

Check answer and explanation

Answer: Data bus

Explanation The data bus carries information between processors and peripherals by transferring actual data. The control bus manages control signals. The address bus specifies the memory locations involved in these transfers.

1455. In a Use Case Diagram, what is the purpose of the oval symbol?

Check answer and explanation

Answer: Represents a use case or functionality

Explanation In a Use Case Diagram , an oval denotes a use case , which is a specific functionality of the system. Actors (users or external systems) are represented by stick figures . The oval shows what the system does , not who does it. Lines connect actors to the use cases they interact with. Use Case Diagrams help visualize system behavior and user interaction

1456. An E-mail attachment is referred to as:

ای میل منسلکہ کو کیا کہا جاتا ہے

Check answer and explanation

Answer: Any document that can be attached and sent with an e-mail

Explanation E-mail stands for: Electronic Mail Father of E-mail: Ray Tomlinson First E-mail sent: 1971 @ is used to divide an email into: two parts SMTP helps to send: E-mails SMTP stands for: Simple Mail Transfer Protocol Received email is saved: inbox Sent email is saved in: sent box Maximum attachment size in Yahoo Email: 25 MB G-mail stands: Google Mail Email spam also called: junk email To close email account click: sign out To create new E-mail: Sign Up Email hacking means: Illegal access to open email accounts of others Junk email is also called: Spam At sign ( @ ): always a part of email address Sending an E-mail is similar to: writing a letter A allows us to access our e-mail from anywhere: Webmail interface Bookmark : is associated with Internet E-mail

1457. A branch introduces a self-service terminal where customers select options on the screen and immediately view transaction confirmations on the same surface. Which device best fits this description?

ایک برانچ نے سیلف سروس ٹرمینل متعارف کرایا جہاں صارفین اسکرین پر اختیارات منتخب کرتے ہیں اور اسی سطح پر لین دین کی تصدیق فوراً دیکھتے ہیں۔ کون سی ڈیوائس اس وضاحت کے لیے سب سے موزوں ہے؟

Check answer and explanation

Answer: Touch screen

Explanation Self-service terminals allow customers to interact directly with the system. They display options and confirmations on the same screen without additional devices. This improves convenience and reduces dependency on tellers. Touch screens are widely used in ATMs, kiosks, and self-service terminals for interactive input. Last verified on 15-02-2026

1458. A person who is used his or her expertise to gain access to other people computers is called________

Check answer and explanation

Answer: Hacker

Explanation A hacker is an individual who uses computer, networking or other skills to overcome a technical problem.

1459. Which type of Occurrence of error crashes the program?

کس قسم کی غلطی پروگرام کو کریش کرتی ہے؟

Check answer and explanation

Answer: Runtime error

Explanation A runtime error in a program is an error that occurs while the program is running after being successfully compiled.

1460. If set A has 4 elements and set B has 4 elements, how many elements are in A × B?

Check answer and explanation

Answer: 16

Explanation The Cartesian product means pairing every element of set A with every element of set B. Formula: Number of elements in A × B = (number of elements in A) × (number of elements in B) Given: A has 4 elements B has 4 elements So: 4 × 4 = 16

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