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.
مندرجہ ذیل میں سے کون سا فنکشن اسکرین پر آؤٹ پٹ دکھانے کے لیے استعمال ہوتا ہے؟
A. printf()
B. scanf()
C. puts()
D. getch()
Check answer and explanation
Answer: printf()
Explanation In C language, printf() function is used to print formatted output to the standard output stdout (which is generally the console screen). The printf function is a part of the C standard library and it can allow formatting the output in numerous ways.
مندرجہ ذیل میں سے کون سا ورک شیٹ ڈیزائن کا معیار نہیں ہے؟
A. Aditibility
B. Efficiency
C. Clarity
D. Description
Check answer and explanation
Answer: Description
Explanation Description is the pattern of narrative development that aims to make vivid a place, object, character, or group. Description is one of four rhetorical modes, along with exposition, argumentation, and narration. In practice it would be difficult to write literature that drew on just one of the four basic modes. **** RY17-012-23
Explanation DOS uses letters of the alphabet (A-Z) to designate disk drives, and it can address up to 26 disk drives . This means that DOS can recognize and assign drive letters from A to Z , allowing for a maximum of 26 disk drives to be connected to a system.
Explanation Junk email is also commonly called spam The most frequent term, derived from a Monty Python sketch It is electronic junk mail or junk newsgroup postings
Explanation DOS stands for Disk Operating System. DOS was the Microsoft-marketed version of the first operating system (OS) to be widely installed on personal computers. AGM 24-12-2022
Explanation Converter is not a standard module in the C programming process. The main modules of C programming include Editor (for writing code), Compiler (for translating code), and Linker (for combining object files).
Explanation A hard disk is a secondary storage device used to store data permanently. RAM and ROM are primary storage (main memory). Diodes and Semiconductors are basic electronic components. CD-ROM is a secondary storage device used to store data permanently.
فوری ترتیب والے الگورتھم کی بدترین صورتحال کا وقت کی پیچیدگی کیا ہے؟
A. O(N²)
B. None of these
C. O(N log N)
D. O(log N)
Check answer and explanation
Answer: O(N²)
Explanation Quick Sort is a divide-and-conquer sorting algorithm. In the worst case , it occurs when the pivot divides the array very unevenly (e.g., always smallest or largest element). This results in O(n²) comparisons for an array of size n. Additional information : Average case → O(n log n) Best case → O(n log n) Worst case → O(n²) Last verified on 23-03-2026
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