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.

2091. A device that opposes the flow of electrons in electronic circuits is called?

الیکٹرانک سرکٹس میں الیکٹران کے بہاؤ کی مخالفت کرنے والا آلہ _____ کہلاتا ہے؟

Check answer and explanation

Answer: Resistor

Explanation A device that opposes the flow of electrons in electronic circuits is called a resistor . It is a passive two-terminal component used to reduce current flow, divide voltage, and perform other functions by creating resistance. Resistance is measured in ohms (Omega).

2092. What minimum number of bits is required to store the Hexadecimal number FF?

Check answer and explanation

Answer: 16

Explanation Hexadecimal is the name of the numbering system that is base 16

2093. The mission named 'Transporter-9 mission' is associated with which agency?

'ٹرانسپورٹر-9 مشن' نام کا مشن کس ایجنسی سے وابستہ ہے؟

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Answer: SpaceX

Explanation In November 2023, SpaceX launched its Transporter-9 mission . SpaceX is an American spacecraft company. SpaceX founder: Elon Musk *****

2094. What is the time complexity of searching for an element in a balanced binary search tree?

متوازن بائنری سرچ ٹری میں کسی عنصر کی تلاش میں وقت کی پیچیدگی کیا ہے؟

Check answer and explanation

Answer: O(log n)

Explanation In a balanced binary search tree , the height is proportional to log n, ensuring efficient searches. The time complexity is O(log n) as the search halves the tree at each step. Last verified on 23-03-2026

2095. Which of the following is not a high-level programming language?

مندرجہ ذیل میں سے کون سی اعلیٰ سطحی پروگرامنگ زبان نہیں ہے؟

Check answer and explanation

Answer: Machine Language

Explanation Machine language is a low-level language It consists of binary code (0s and 1s) that is directly executed by a computer's CPU. High-level languages like C, Java, and Fortran are designed to be more user-friendly and abstracted from machine code.

2096. What will happen in the following C++ code? extern void display(); int main() { display(); }

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Answer: Undefined reference (linker error)

Explanation The extern keyword declares a function without providing its definition. display() is called in main, but the compiler cannot find its actual implementation. Compilation passes the syntax check, but linking fails. The linker reports an undefined reference error.

2097. Which of the following is true about client-side vs server-side rendering?

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Answer: Client-side rendering happens in the browser; server-side happens on the server

Explanation Client-side rendering (CSR) means the browser builds the page using JavaScript after receiving data. Server-side rendering (SSR) means the server sends a fully rendered HTML page to the browser. CSR can reduce server loa d but may slow initial page load . SSR improves SEO and faster initial page display .

2098. Control unit of a digital computer is often called the ?

ڈیجیٹل کمپیوٹر کے کنٹرول یونٹ کو اکثر ____ کہا جاتا ہے

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Answer: nerve center

Explanation The Control Unit of the computer is called the nerve center computer. The brain of the computer is called the CPU . CPU stands for Central Processing Unit. The central processing unit is known as the heart of the computer ND11-4-2023

2099. Android system is established by;

اینڈرائیڈ سسٹم کس نے بنایا؟

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Answer: Google

Explanation Google established (acquired and further developed) the Android system. NOTE Original Development: Android Inc. was founded in 2003 by Andy Rubin, Rich Miner, Nick Sears, and Chris White. Acquisition : Google acquired Android Inc. in 2005. Release : The first commercial Android device was released in 2008 Last updated 15-feb-2026

2100. Which one of the following is the bridge between the user and hardware. It is also called the Resource Manager?

مندرجہ ذیل میں سے ایک صارف اور ہارڈ ویئر کے مابین پل ہے۔ اسے ریسورس منیجر بھی کہا جاتا ہے؟

Check answer and explanation

Answer: Operation System

Explanation The Operating System (OS) acts as a bridge between the user and hardware , managing all software and hardware resources. It is called a Resource Manager because it handles CPU, memory, input/output, and file system efficiently .

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