Practise Information Technology (IT) MCQs in Computer. Attempt multiple-choice questions, check answers and revise related subtopics.
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.
Return to all Computer topics to choose your next area of study. Read the MCQ study guide to plan your revision, or try a Computer practice quiz.
Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.
فرم ویئر ۔۔۔ ہے جس میں کمپیوٹر کی اسٹارٹ اپ ہدایات ہوتی ہیں۔
Answer: BIOS
Explanation The BIOS (Basic Input/Output System) is firmware that contains a computer's startup instructions. It resides on a motherboard chip, initializes hardware, and performs a power-on self-test (POST) to ensure components function properly before loading the operating system.
Answer: Full Screen
Explanation Editing a word file means making changes in the text contained in a file.
فائل کی قسم ______ ایڈوب ایکروبیٹ فائل سے وابستہ ہے۔
Answer: .pdf
Explanation The file type .pdf is associated with Adobe Acrobat. It is used for creating and viewing Portable Document Format files.
Answer: .cat
Explanation " .cat " is not a Country Code Top Level Domain (ccTLD). It's actually a sponsored top-level domain intended to promote the Catalan language and culture.
درج ذیل کمیونیکیشن میڈیمز میں سے، طویل فاصلے تک مواصلات کے لیے کس کو بھیجنے والے اور وصول کنندہ کے درمیان صف بندی کی ضرورت ہے؟
Answer: Microwaves
Explanation Microwave Communication uses high-frequency radio waves. It requires line-of-sight (direct alignment) between sender and receiver . Used for long-distance communication like towers and satellites. Signals cannot bend much around obstacles. Last verified on 12-04-2026
کمپیوٹر اور کی بورڈ کے مابین رابطے میں ______ شامل ہے؟
Answer: Simplex
Explanation Communication between a keyboard and computer is simplex , meaning data flows in one direction only — from keyboard to computer. The computer does not send data back to the keyboard during typing. There are 3 main data transmission modes : Simplex : Data flows in one direction only (e.g., keyboard to computer ). Half-Duplex : Data can flow both ways, but not at the same time (e.g., walkie-talkies ). Full-Duplex : Data flows both ways simultaneously (e.g., telephone conversations ).
Answer: c × f(n)
Explanation c × f(n). This is describing Big O notation , where f(n) is the growth rate of the algorithm's runtime. The definition says: For n greater than some n₀ There exists a constant c > 0 Such that runtime ≤ c × f(n) Meaning the runtime is bounded above by c × f(n) . Last verified on 23-03-2026
مندرجہ ذیل میں سے کون سا متغیر کے لئے صحیح ہے جو مطلوبہ الفاظ کے ساتھ بیان کیا گیا ہے اور سی زبان میں کسی قدر سے شروع کیا گیا ہے؟
Answer: Cannot be changed within the scope of the variable during execution of the program
Explanation A variable declared with the const keyword in C becomes read-only and its value cannot be modified after initialization. Attempting to change a const variable will result in a compile-time error.
مندرجہ ذیل ڈیوائسز میں سے کون سی سب سے زیادہ ڈیٹا محفوظ کر سکتی ہے؟
Answer: Hard disk
Explanation A hard disk stores much more data. It is the main secondary storage device in computers. Modern hard disks store data in gigabytes to terabytes. Additional information : Hard disk — 500 GB to 20+ TB Flash drive — 16 GB to 1 TB RAM — 4 GB to 64 GB ROM — few MBs to GBs SSD (for comparison) — 256 GB to 8 TB Last verified on 07-02-2026
Answer: Both A & B
Explanation Magnetic storage devices: Today, magnetic storage is one of the most common types of storage used with computers. This technology is found mostly on huge hybrid hard drive s
Found a mistake? Use “Report correction” in the practice tool or contact us with the question and a supporting source.