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.
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سوال کا جواب دینے کے لیے آپ کون سا سوال استعمال کرتے ہیں "کون سے ملازمین ماہانہ $5000 سے زیادہ کماتے ہیں"؟
Answer: Select query
Explanation A " Select query " is used to retrieve data from a database. It can filter records to show employees earning more than $5000 a month by specifying conditions.
ہیش ٹیبل میں تلاش کرنے کی وقت کی پیچیدگی کیا ہے؟
Answer: O(1)
Explanation On average, searching in a well-implemented hash table has a time complexity of O(1) (constant time) due to direct indexing using the hash function. In the worst-case scenario , if many elements hash to the same index (collisions), the time complexity can degrade to O(n) (linear time).
Answer: 110100011
Explanation Convert each hexadecimal digit to its 4-bit binary equivalent: 1 → 0001 A (10 in decimal) → 1010 3 → 0011 Combine the binary groups: 1A3 (hex) = 0001 1010 0011 (binary) Answer: 1A3 (hex) = 110100011 (binary)
ایک ایسا سافٹ ویئر کیا ہے جو کوڈنگ میں مجرم کوڈز کا پتہ لگانے اور اسے ہٹانے کے لیے استعمال کیا جاتا ہے؟
Answer: Antivirus
Explanation Antivirus software is designed to detect, prevent, and remove malicious software (malware) from a computer. It scans for and removes culprit codes, such as viruses, worms, and trojans, that can harm a computer system.
ڈیجیٹل کمپیوٹر بنیادی طور پر _____ میں تیار کیا گیا تھا؟
Answer: USA
Explanation The digital computer , capable of processing data in binary code (0s and 1s), was primarily developed in the USA . John Vincent Atanasoff , an American-Bulgarian physicist, invented the first electronic digital computer in the 1930s at Iowa State College.
Answer: *ptr
Explanation In C, the asterisk (*) symbol is used to dereference a pointer. It means to access the value stored at the address held by the pointer . Therefore, *ptr is the correct syntax to access the value at the address ptr.
انٹرنیٹ کا باپ کسے کہا جاتا ہے؟
Answer: Vint Cerf
Explanation Vinton Gray Cerf , born on June 23, 1943. He is an American Internet pioneer known as the " Father of the Internet ." In 1997 , President Bill Clinton awarded him the U.S. National Medal of Technology.
شارٹ رینج براڈکاسٹ ریڈیو مواصلات کی ایک مثال _____ ہے؟
Answer: Bluetooth
Explanation Bluetooth is a short-range radio communication technology used for exchanging data over short distances (typically up to 10 meters ). It enables wireless connection between devices like phones, headsets, and computers.
کیا ٹیکسٹ اور ڈیٹا کی ایڈیٹنگ کی سہولت کے لیے سسٹم سافٹ ویئر ہیں؟
Answer: Editors
Explanation Text Editors: Function: Primarily focus on editing text files, which can include source code, configuration files, or simple documents. Examples: Notepad (Windows): Notepad++ (Windows): BBEdit (macOS): vi/vim (Unix-like systems): nano (Unix-like systems): Features: Typically includes basic editing functions like inserting, deleting, copying, pasting, and searching/replacing text. ND7-5-2023
Answer: Vector
Explanation In C++ , vector is used as a dynamic array. It automatically resizes itself when elements are added or removed. It is part of the Standard Template Library (STL). Last verified on 24-03-2026
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