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 غیر کلسٹرڈ انڈیکس کی خصوصیت ہے؟
A. None of these
B. The physical order of rows is same from the index order
C. It cannot be created on a table with a clustered index
D. The physical order of rows is different from the index order
Check answer and explanation
Answer: The physical order of rows is different from the index order
Explanation A non-clustered index stores pointers to the actual data, so the physical order of rows differs from the index order. It allows multiple non-clustered indexes on a table and supports duplicate values.
Explanation Ransomware is a dangerous type of cyber threat. It locks or encrypts a user’s data and demands money to unlock it. It is commonly spread through malicious emails or software downloads . It is used by hackers to extort money from individuals and organizations . Last verified on 11-05-2026
مندرجہ ذیل میں سے کون سا کمپیوٹر کا آؤٹ پٹ ڈیوائس نہیں ہے؟
A. Mouse
B. Keyboard
C. Scanner
D. All of these
Check answer and explanation
Answer: All of these
Explanation Input devices are used to provide data and control signals to a computer. Examples : Keyboard, mouse, scanner, camera, joystick, and microphone. Output devices display the results of that data. Examples : Printer, Monitor, Plotter, Speaker, Headphones, Projector, GPS device, Optical mark reader, and Braille reader. Last updated 12 april 2026
Explanation Linus Torvalds is the inventor of the Linux kernel Releasing the first version in September 1991 Create a new free operating system kernel. Last updated by NS on 06 May 2026
کمپیوٹر منفی اعداد اور اصلی اعداد کو اسٹور کرنے کے لیے بائنری سسٹم کے ساتھ استعمال کرتا ہے۔ اصل اعداد کمپیوٹر میں اسٹور کرنے کے لیے کس تکنیک کا استعمال کرتے ہیں؟
A. Scientific notation
B. Exponential notation
C. None of these
D. Floating-point notation
Check answer and explanation
Answer: Floating-point notation
Explanation Floating-point notation is used to represent real numbers in computers. It allows storage of very large, very small, positive, and negative numbers. Negative integers use two’s complement, while real numbers use floating-point. Last verified on 23-03-2026
Explanation Laser technology is used in compact disc Compact Disc is an example of Optical Storage James T. Russell invented C.D. (Compact Disc). co-developed by Philips and Sony to store and play digital audio recordings. history In August 1982, the first compact disc was manufactured. It was then released in October 1982 in Japan and branded as Digital Audio Compact Disc . It was released on March 2, 1983, in North America and Europe. FIA CBT VU PAPER 22-12-2021 ND30-4-2023
Explanation MODEM stands for Modulation and Demodulation . A modem's purpose is to convert digital information to analog signals (modulation), and to convert analog signals back into useful digital information (demodulation).
کون سا آپریٹر کمپیوٹر کو کسی قدر کے ڈیٹا کی قسم کو تبدیل کرنے کے لئے کہتا ہے؟
A. Compiler
B. None of these
C. Cast
D. Converter
Check answer and explanation
Answer: Cast
Explanation The cast operator is used in programming to convert one data type into another. Example : In C++, (int)3.14 uses cast to convert the float value 3.14 into an integer.
پرسنل کمپیوٹر کے طور پر مائیکرو کمپیوٹر کو بڑے پیمانے پر مارکیٹ کرنے والی پہلی فرم تھی۔
A. IBM
B. Sperry Univac
C. Radio Shack
D. Data General Corporation
Check answer and explanation
Answer: Radio Shack
Explanation The first firm to mass-market a microcomputer as a personal computer was Radio Shaks Release date : August 3, 1977; 45 years ago The name is an abbreviation of Tandy Radio Shack , Z80 [microprocessor]. It is one of the earliest m ass-produced and mass-marketed retail home computers.