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.
Answer: Total segments exchanged during the connection
Explanation In a TCP connection , communicatio n happens via segments . The number of messages indicates how many segments were sent and received . Each segment contains data and control information for reliable transmission. This helps in monitoring connection activity and performance . It is specific to TCP and does not apply to UDP or ICMP.
مندرجہ ذیل میں سے کون سی چیز پر مبنی پروگرامنگ زبان کی مثال ہے؟
A. None of these
B. Assembly
C. C
D. Java
Check answer and explanation
Answer: Java
Explanation Object-oriented programming (OOP) languages focus on the concept of " objects ," which are entities that encapsulate data and methods (functions) related to that data. Java is designed around this paradigm . It allowing developers to create classes and objects that interact with each other.
Explanation A stack is a data structure where the last element added is the first to be removed. LIFO stands for Last In, First Out , reflecting this behavior. Common examples include undo features in software and browser back buttons . Stacks are used i n function calls, recursion, and expression evaluation in programming.
تازہ ترین جنریشن کمپیوٹرز میں، ______ ہدایات پر عمل درآمد کیا جاتا ہے؟
A. Both A & B
B. Parallel
C. None of these
D. Sequentially
Check answer and explanation
Answer: Both A & B
Explanation Latest generation computers execute instructions both sequentially (one after another) and parallelly (multiple instructions simultaneously). Parallel processing improves speed and efficiency, while sequential execution is still used for certain tasks.
مندرجہ ذیل میں سے کون سی کمپیوٹر میں بس کی قسم نہیں ہے؟
A. Utility Bus
B. Address Bus
C. Data Bus
D. Control Bus
Check answer and explanation
Answer: Utility Bus
Explanation So Utility Bus is not a type of bus used in computer architecture, hence option 4 is the correct answer. Address bus - carries memory addresses from the processor to other components such as primary storage and input/output devices. Data bus - carries the data between the processor and other components. Control bus - carries control signals from the processor to other components.
B. It is used to delete all the records of tables in a database
C. It repeats the recent delete operation to all the records of current table
D. It ensures that all the related records will be deleted from parent table is deleted
Check answer and explanation
Answer: It ensures that all the related records will be deleted from parent table is deleted
Explanation The Cascade Delete option is a database feature that automatically deletes all related records in a child table when a record is deleted from a parent table. This helps maintain data consistency and integrity by ensuring that all related data is removed when a primary record is deleted.
درج ذیل میں کس سہولت میں تھریڈ مینجمنٹ کا تمام کام ایپلیکیشن کے ذریعے ہوتا ہے اور کرنل تھریڈز کے وجود سے واقف نہیں ہوتا؟
A. Kernel Level Threads facility
B. Single-Threaded Rendering facility
C. User Level Threads facility
D. Multithreading Thread facility
Check answer and explanation
Answer: User Level Threads facility
Explanation In User Level Threads (ULT), all thread management is handled by the application. The kernel is unaware of the threads ; it treats the process as a single thread. This makes thread operations fast but can block the entire process if one thread makes a blocking system call . Last verified on 23-03-2026
Explanation Anti-virus software primarily serves to protect against malware and viruses Its main functions include: Detecting and Removing Threats Real-Time Protection Preventing Future Infections:
جب ڈیٹا کمپیوٹرز میں داخل ہوتا ہے تو ، اسے _____ میں تبدیل کیا جاتا ہے؟
A. Binary numbers
B. None of these
C. Octal numbers
D. Decimal numbers
Check answer and explanation
Answer: Binary numbers
Explanation All data entered into a computer is converted into binary numbers (0s and 1s) for processing and storage. Computers operate using the binary number system internally.
ڈیڈ لاک کا پتہ لگانے کے لئے کون سا الگورتھم استعمال ہوتا ہے؟
A. Banker's Algorithm
B. FIFO
C. LRU
D. None of these
Check answer and explanation
Answer: Banker's Algorithm
Explanation Banker's Algorithm is used to detect and avoid deadlocks by simulating resource allocation . It ensures the system remains in a safe state before granting resources.
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