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.
A. DNS runs on port 443, HTTP is Domain Host Protocol
B. HTTP uses port 443, DNS is Data Network Syntax
C. HTTPS uses port 443, DNS is Domain Name System
D. HTTPS uses port 80, DNS is Digital Name Service
Check answer and explanation
Answer: HTTPS uses port 443, DNS is Domain Name System
Explanation HTTPS is the secure version of HTTP that transmits web traffic over port 443. This port is the default used to encrypt data exchanged between a user's browser and a web server Using SSL/TLS protocols to protect sensitive information during transit. When a browser connects to a website starting with "https://" It automatically uses port 443 to initiate a secure, encrypted connection.
A. Data is stored in virtual memory for fast access
B. An artificial environment simulates human intelligence in machines
C. None of these
D. An artificial environment is created with software
Check answer and explanation
Answer: An artificial environment is created with software
Explanation Virtual reality (VR) uses software and hardware to create immersive, simulated environments. It is different from artificial intelligence , which focuses on making machines think like humans .
Explanation Wolfram Alpha is not a search engine in the classical sense , it's a computational knowledge engine. Google, MSN, android Yahoo are traditional search engines that crawl and index web pages to provide relevant search results.
کاروباری ایپلی کیشنز لکھنے کے لیے عام طور پر کون سی زبان استعمال ہوتی ہے؟
A. COBOL
B. HTML
C. Python
D. JavaScript
Check answer and explanation
Answer: COBOL
Explanation COBOL stands for Common Business-Oriented Language It is a programming language specifically designed for business, finance, and administrative systems. It was designed in 1959 by CODASYL And was partly based on the programming language FLOW-MATIC Designed by Grace Hopper Stable release: ISO/IEC 1989: 2023 / 2023
Explanation In C language, each statement ends with a semicolon (;) to indicate the end of an instruction. This helps the compiler understand where one statement ends and the next begins.
Explanation Hypertext refers to text that links to other information. It allows users to navigate from one document to another via hyperlinks. It facilitating easy access to related content.
A. To make the most efficient use of the computer hardware
B. To allow people to use the computer
C. To keep systems programmers employed
D. To make computers easier to use
Check answer and explanation
Answer: To make the most efficient use of the computer hardware
Explanation The operating system (OS) manages hardware resources like CPU, memory, and storage to ensure efficient performance. It acts as an interface between hardware and software , allowing multiple applications to run smoothly.
سوئچ شدہ ایل۔ای۔این میں اسپیننگ ٹری پروٹوکول کا مقصد کیا ہے؟
A. To provide a mechanism for network monitoring in switched environments
B. To prevent switching loops in networks with redundant switched paths
C. To prevent routing loops in networks with redundant paths
D. To manage the VLAN database across multiple switches
Check answer and explanation
Answer: To prevent switching loops in networks with redundant switched paths
Explanation Spanning Tree Protocol (STP) is a network protocol that ensures a loop-free topology in a switched LAN (Local Area Network) with redundant paths . Its primary purpose is to prevent switching loops, which can cause network instability, packet duplication, and broadcast storms. STP achieves this by: Creating a spanning tree topology Blocking redundant paths Ensuring a single path for data transmission By preventing switching loops , STP ensures a stable and efficient network operation.
روشنی کا حساس آلہ جو ڈرائنگ، پرنٹ شدہ ٹیکسٹ یا دیگر امیجز کو ڈیجیٹل شکل میں تبدیل کرتا ہے اسے کہتے ہیں؟
A. Keyboard
B. OMR
C. None of the above
D. Scanner
Check answer and explanation
Answer: Scanner
Explanation سکینرایک ہلکا حساس آلہ جو ڈرائنگ، پرنٹ شدہ متن یا دیگر تصاویر کو ڈیجیٹل شکل میں تبدیل کرتا ہے A scanner is a device usually connected to a computer. Its main function is to scan or take a picture of the document, digitize the information and present it on the computer screen . ********* FIA VU CONSTABLE PAST PAPER 2021 AGM 09-2-2023
Explanation There are settings in Outlook, Outlook on the web, and Exchange Online that control the format of email messages and how they are sent to people on other domains.
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