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.

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.

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.

1921. The MAC operating system is developed by _____?

میک آپریٹنگ سسٹم کو _____ نے تیار کیا ہے؟

Check answer and explanation

Answer: Apple

Explanation Mac OS is an operating system developed and marketed by Apple Inc. since 2001 . It is the primary operating system for Apple's Mac computers. NA22-9-2023

1922. What is virtual memory?

ورچوئل میموری کیا ہے؟

Check answer and explanation

Answer: A temporary memory in the hard disk

Explanation Virtual memory is a memory management technique Used by operating systems (OS) That extends a computer’s physical RAM by temporarily transferring data to disk storage. Last updated 15-feb-2026

1923. Which of the following is the Average Case Time Complexity fo the Bubble sort algorithm?

مندرجہ ذیل میں سے ببل سورٹ الگورتھم کے اوسط کیس ٹائم کمپلیکسٹی کیا ہے؟

Check answer and explanation

Answer: O(n²)

Explanation Bubble Sort repeatedly compares and swaps adjacent elements until the array is sorted. Average case involves roughly n(n-1)/2 comparisons, which gives O(n²) time complexity . Best case: O(n) if the array is already sorted (with optimized check). Worst case: O(n²) when the array is reverse sorted. Last verified on 24-03-2026

1924. For high data transfer, what would work best?

اعلیٰ ڈیٹا کی منتقلی کے لیے، کیا بہتر کام کرے گا؟

Check answer and explanation

Answer: USB 3.0

Explanation USB 3.0 is a high-speed connection standard that can transfer data at speeds of up to 5 Gbps ( gigabits per second ), making it ideal for high data transfer.

1925. What type of memory is used to boot the computer?

کمپیوٹر کو بوٹ کرنے کے لئے کس قسم کی میموری کا استعمال کیا جاتا ہے؟

Check answer and explanation

Answer: ROM

Explanation ROM (Read-Only Memory) contains the firmware or BIOS needed to boot the computer. It is non-volatile , meaning it retains data even when the power is off.

1926. Electronic record keeping is a key to create _____

الیکٹرانک ریکارڈ رکھنا ایک ۔۔۔ کلید ہے۔

Check answer and explanation

Answer: Paperless environment

Explanation Electronic record-keeping helps businesses cut down on clutter and more easily navigate their employee files and tax paperwork.

1927. The Digital Computer operates on_____

ڈیجیٹل کمپیوٹر پر کام کرتا ہے___

Check answer and explanation

Answer: Binary system

Explanation John Vincent Atanasoff invented the first digital computer in 1930 . The inventor of the first Digital Computer belonged to the country: USA John Vincent Atanasoff died in 1995 . Digital computer: The Digital Computer operates on a Binary system The computer that processes both analog and digital signals is called a hybrid computer. ND7-5-2023

1928. If systems are overloaded with data, what is the safest action to prevent a crash?

Check answer and explanation

Answer: Implement load balancing or throttling

Explanation Load balancing distributes incoming data across multiple systems to reduce overload. Throttling limits the rate of incoming requests to keep the system stable. These methods help prevent crashes while keeping services running .

1929. If you are asked to classify computers based on their size, which of the following options correctly represents this classification?

اگر کمپیوٹرز کو ان کے سائز کے مطابق تقسیم کیا جائے تو کون سا آپشن درست ہے؟

Check answer and explanation

Answer: Mainframe, Mini frame, Supercomputer, Microcomputer

Explanation Computers can be classified by size and capacity . Size-based classification includes micro, mini, mainframe, and supercomputers . These differ in speed, storage, and processing power. Last verified on 11-04-2026

1930. The amount of vertical space between lines of text in a document is called___________?

کسی دستاویز میں متن کی لکیروں کے درمیان عمودی جگہ کی مقدار کو ___________ کہا جاتا ہے؟

Check answer and explanation

Answer: Line spacing

Explanation Line spacing determines the amount of vertical space between lines of text in a paragraph. By default, lines are single-spaced, meaning that the spacing accommodates the largest font in that line, plus a small amount of extra space.

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