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.
Explanation In the statement scanf("%d", &kilometer);, kilometer is considered a variable because: Declaration: Before this statement, kilometer must have been declared as a variable Address of Operator: The & operator in & kilometer is the a ddress-of operator. It provides the memory address of the variable kilometer to the scanf function. Variable Usage: Variables are used to store data that can be modifie d during program execution.
Explanation The modem is short for "Modulator-Demodulator." A modulator-demodulator or modem is a computer hardware device A modulator-demodulator or modem converts data from a digital format into a format .
ملٹی تھریڈ والے ماحول میں، تھریڈ سنکرونائزیشن کے بارے میں درج ذیل میں سے کون سا سچ ہے؟
A. Synchronization is handled automatically by the operating system
B. Thread synchronization used semaphores and mutexes to prevent race condition
C. None of these
D. Thread synchronization is not necessary as threads do not share resources
Check answer and explanation
Answer: Thread synchronization used semaphores and mutexes to prevent race condition
Explanation Synchronization ensures that threads access shared resources safely, avoiding conflicts like race conditions. Tools like semaphores and mutexes are used to control thread access to critical sections.
کون سا ایس ڈی ایل سی ماڈل قدم بہ قدم ترتیب وار (سیکوینشل) طریقہ اپناتا ہے؟
A. Agile
B. Incremental
C. Spiral
D. Waterfall
Check answer and explanation
Answer: Waterfall
Explanation The Waterfall model is a linear and sequential SDLC model , where each phase must be completed before the next begins. Typical phases includ e Requirement Analysis → Design → Implementation → Testing → Deployment → Maintenance . It is easy to manage because of its structured approach . Changes are difficult to implement once a phase is completed, unlike Agile .
Explanation Flat panel displays are used to provide the alpha-numeric display information on laptop computers, automobile and airplane instrument panels, calculators, gas pumps, and many other products requiring the digital display of information. Liquid crystal displays (LCDs) are by far the most prevalent FPD in use today.
کمپیوٹر سسٹم میں _______ اسی طرح کام کرتے ہیں جیسے فولڈرز میں فائلوں کو 'جسمانی طور پر برقرار' دفاتر میں رکھا جاتا ہے۔
A. Documents
B. Recycle bin
C. Directories
D. Filing
Check answer and explanation
Answer: Directories
Explanation In a computer system , directories (also known as folders) work in a similar fashion as files in physical offices. Just as files are stored in folders or cabinets in an office, directories in a computer system store and organize files and subdirectories.
پروگرامنگ لینگویج میں وہ میموری لوکیشن جو کسی ویلیو کو رکھ سکتی ہے اور بدل سکتی ہے، اسے کیا کہتے ہیں؟
A. Constant
B. Variable
C. None of these
D. Integer
Check answer and explanation
Answer: Variable
Explanation A variable is a named memory location that can store data which may change during program execution. Used to hold values , perform calculations, and control program flow . Examples in programming : int age = 25; → age is a variable storing 25 float price = 99.99; → price is a variable storing 99.99 Last verified on 09-02-2026
Answer: It initializes an object when it is created.
Explanation A constructor is automatically called when an object is instantiated , setting initial values. Unlike regular methods , it has the same name as the class and does not have a return type.
اعلیٰ معیار کے ڈیٹا کو یقینی بنانے کے لیے تنظیم کی صلاحیت کو کہا جاتا ہے۔
A. Data governance
B. Data analysis
C. None of these
D. Data integration
Check answer and explanation
Answer: Data governance
Explanation Data governance is indeed the practice of: Identifying Important Data: Recognizing which data is critical for the organization's operations and decision-making processes. Ensuring Data Quality: Implementing policies and procedures to maintain high data quality, including accuracy, consistency, and reliability. Improving Data Value: Enhancing the usability and value of data to support business objectives and strategic goals.
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