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.

Continue your revision with related topics: 100 Most Repeated Computer MCQs MCQs, Computer Basic Hardware Components MCQs, Computer Short Questions MCQs, Computer Shortcut Keys MCQs, Important Abbreviations (Computer) MCQs, Internet and Social Media MCQs, Internet related Information MCQs, MS Access MCQs.

Return to all Computer topics to choose your next area of study. Read the MCQ study guide to plan your revision, or try a Computer practice quiz.

Information Technology (IT): questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

1001. In ______ transmission, a parity bit sometimes included at the end of each byte for error checking.

کس ٹرانسمیشن میں، کبھی کبھی ایک باری بٹی کبھی کبھی ہر بائٹ کے اختتام پر غلطی کی جانچ پڑتال کے لئے شامل ہے؟

Check answer and explanation

Answer: Asynchronous

Explanation In asynchronous transmission, data is sent one byte at a time with start and stop bits , and often a parity bit for error checking. It's commonly used in serial communication , like keyboards and older modems.

1002. Which device is used as the standard printing device in a graphical user environment?

گرافیکل صارف ماحول میں کون سا آلہ معیاری پرنٹنگ ڈیوائس کے طور پر استعمال ہوتا ہے؟

Check answer and explanation

Answer: Joystick

Explanation Joysticks are often used to: control video games, and usually have one or more push buttons whose state can also be read by the computer **** ND8-1-2023

1003. Which of the following is a volatile memory? RAM ,ROM, Cache

مندرجہ ذیل میں سے کون سی غیر مستحکم میموری ہے؟

Check answer and explanation

Answer: Both A and C

Explanation RAM and Cache are types of volatile memory. RAM : Random Access Memory Cache memory loses its data when power is turned off , so it is volatile . It is high-speed memory used to store frequently accessed data for faster CPU performance. Additional information: ROM is a non-volatile memory. ROM : Read Only Memory Last verified on 16-02-2026

1004. CD is an optical disk format that is used to hold _____?

سی ڈی ایک آپٹیکل ڈسک فارمیٹ ہے جو _____ رکھنے کے لیے استعمال ہوتا ہے؟

Check answer and explanation

Answer: All of these

Explanation A CD (Compact Disc) is an optical disk format that can store sound, pre-recorded text, graphics, and other digital data. It is widely used for audio playback, software distribution, and data storage. Standard CDs hold up to 700 MB of data or 80 minutes of audio. CDs are read using a laser in a CD drive , which interprets the stored data.

1005. The number of characters in fixed length field is?

Check answer and explanation

Answer: Constant

Explanation In a fixed-length field, the number of characters remains constant for each data entry. For instance, if a field is defined as having a fixed length of 10 characters Then each entry in that field will have precisely 10 characters, regardless of whether all 10 characters are utilized.

1006. A modem is connected to __________?

ایک موڈیم کس سے منسلک ہے؟

Check answer and explanation

Answer: a telephone line

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).

1007. Which software is used to access webpages?

ویب صفحات تک رسائی کے لیے کون سا سافٹ ویئر استعمال کیا جاتا ہے؟

Check answer and explanation

Answer: Browser

Explanation The software to view HTML documents as a Web page is called a Web browser. Popular ones are Google Chrome, Apple's Safari, Mozilla's Firefox, Opera and Microsoft's much hated Internet Explorer.

1008. Which of the following operating system reads and reacts in actual time?

درج ذیل میں سے کون سا آپریٹنگ سسٹم حقیقی وقت میں پڑھتا اور ردعمل ظاہر کرتا ہے؟

Check answer and explanation

Answer: Real Time System

Explanation A Real-Time Operating System (RTOS) processes data and responds immediately to inputs. Used in applications where timely response is critical. Example: Air traffic control systems – monitor and respond to aircraft in real-time Last verified on 08-03-2026

1009. Which component gives power supply to a computer? CPU, Power Supply Unit (PSU), RAM, None of these

کون سا جزو کمپیوٹر کو بجلی کی فراہمی دیتا ہے؟

Check answer and explanation

Answer: Power Supply Unit (PSU)

Explanation Power Supply Unit (PSU) converts electrical power from the outlet into usable power for the computer. It provides voltage and current to all computer components.

1010. In the database lingo Row called?

ڈیٹا بیس میں لنگو قطار کہا جاتا ہے؟

Check answer and explanation

Answer: tuple

Explanation Each row in a data set ( called a tuple ) n database lingo , these columns are called attributes . A database attribute is a column name and the content of the fields under it in a table.

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