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 آپشن بیچ پروسیسنگ سسٹم کو استعمال کرنے کی خرابی ہے؟
A. Undesired commands increase CPU speed.
B. None of these
C. Individual time slots are allocated to each task of CPU.
D. Undesired commands are executed by the CPU.
Check answer and explanation
Answer: Undesired commands are executed by the CPU.
Explanation In batch processing systems , all tasks are executed without user interaction, so incorrect or undesired commands may run unnoticed. This can lead to errors or wasted resources , making it a key drawback of the system.
Explanation MAX(), SUM(), and AVG() all ignore NULL values during calculation. Only non-NULL values are considered when computing SQL aggregate results.
دوسرے روبوٹ کا نام کیا ہے جو 1956 میں مسائل کے حل، سیکھنے اور اپنے ماحول سے تعامل کے لیے تیار کیا گیا تھا؟
A. Shakey
B. Robby
C. Unimate
D. Stanford Cart
Check answer and explanation
Answer: Shakey
Explanation The second robot developed in 1956 for problem-solving, learning, and interacting with its environment was Shakey . Created by the Stanford Research Institute , Shakey was an early example of a robot with integrated AI capabilities.
Explanation Antivirus software is designed specifically to detect, prevent, and remove malicious software. It including viruses, worms, Trojans, and other forms of malware , from a computer system.
بنیادی طور پر او سی آر (آپٹیکل کریکٹر کی پہچان) کس کے لئے استعمال ہوتا ہے؟
A. Enhancing video quality
B. None of these
C. Converting scanned documents into editable text
D. Editing images in Photoshop
Check answer and explanation
Answer: Converting scanned documents into editable text
Explanation OCR Function : OCR technology extracts text from images/scanned PDFs and converts it into machine-readable, editable text (e.g., turning a book scan into a Word file). Common Uses : Digitizing printed documents. Automating data entry (e.g., invoices, receipts). Enabling text searches in scanned files.
دنیا بھر میں پھیلے کمپیوٹروں کے نیٹ ورک کو ______ کہا جاتا ہے؟
A. Internet
B. None of these
C. LAN
D. Intranet
Check answer and explanation
Answer: Internet
Explanation The Internet is a global network that connects millions of computers and devices worldwide. It allows users to share information, communicate, and access services across countries and continents.
Answer: 1’s are grouped horizontally and vertically
Explanation In Karnaugh Maps , 1's are grouped in powers of two (1, 2, 4, 8, etc.) horizontally or vertically to simplify Boolean expressions. The goal is to minimize the number of terms by forming the largest possible groups of adjacent 1's.
سرور سے ای میل کو حذف کرنے کے لئے کون سا پروٹوکول استعمال کیا جاتا ہے؟
A. IMAP
B. POP3
C. None of these
D. SMTP
Check answer and explanation
Answer: POP3
Explanation POP3 (Post Office Protocol 3) downloads emails to the local device and can delete them from the server . It is used for offline email access and managing emails on a single device.
تعطل کی بازیابی کے لئے مندرجہ ذیل میں سے کون سی تکنیک آسانی سے سی پی یو کے بارے میں ہے؟
A. Resource Description
B. None of these
C. Starvation
D. Process Termination
Check answer and explanation
Answer: Process Termination
Explanation Regarding deadlock recovery techniques, is Process Termination. It is considered an "easy" technique regarding CPU management Because it uses simple logic to break a deadlock cycle:
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