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.

1881. DOS stands for ______?

ڈی او ایس کا مطلب کیا ہے؟

Check answer and explanation

Answer: Disk operating system

Explanation DOS stands for Disk Operating System . It is an early type of computer operating system used to manage files and programs . It works through text-based commands (command line). A famous example is MS-DOS used in early PCs . Dennis Ritchie is the father of MS-DOS . It was developed in 1982 . Last verified on 19-04-2026

1882. What is used in a computer to protect a networked server from damage by those who log in to it?

کمپیوٹر میں کیا استعمال کیا جاتا ہے تاکہ نیٹ ورک سرور کو ان لوگوں کے نقصان سے بچایا جائے جو اس میں لاگ ان ہوتے ہیں؟

Check answer and explanation

Answer: Firewall

Explanation A Firewall is used in a computer network to protect a server from unauthorized access and potential damage by those who log in. It monitors and controls incoming and outgoing network traffic based on predetermined security rules.

1883. The first network called ______?

پہلا نیٹ ورک جسے ______ کہتے ہیں؟

Check answer and explanation

Answer: ARPANET

Explanation ARPA stand for Advanced Research Projects Agency. ARPANET was the basis of the Internet. ARPANET Concept first published in 1967. ARPANET was developed by the U.S.A.

1884. Virtual memory typically located on/in ____?

ورچوئل میموری عام طور پر ____ پر/میں واقع ہے؟

Check answer and explanation

Answer: Hard drive

Explanation Feature Virtual Memory Location: On the hard drive or SSD Speed: Slower (due to disk I/O operations) Capacity: Larger, limited by disk space Cost: Lower (cost of additional disk storage)

1885. A unique address for a file that is accessible on the Internet is ______?

انٹرنیٹ پر قابل رسائی فائل کے لئے ایک انوکھا پتہ ______ ہے؟

Check answer and explanation

Answer: URL

Explanation A Uniform Resource Locator (URL), colloquially termed a web address . It refers to a web resource that specifies its location on a computer network and a mechanism for retrieving it.

1886. The most widely used internet search engine in the world is:

دنیا میں سب سے زیادہ استعمال ہونے والا انٹرنیٹ سرچ انجن کونساہے

Check answer and explanation

Answer: Google

Explanation Google. With over 80% of the search market share Google, a US multinational technology company Google is a type of search engine operating since 1997 Google was founded in the year: September 4, 1998 The Headquarters of Google is located in the city: of California Sergey Brin & Larry Page is the founder of Google Sergey Brin is the real owner of Google Parent organization : Alphabet Inc. ******* The oldest search engine is Yahoo ND23-4-2023

1887. Which is the fastest supercomputer in the world?

دنیا کا تیز ترین سپر کمپیوٹر کون سا ہے؟

Check answer and explanation

Answer: Frontier

Explanation In May 2022, Frontier Supercomputer of USA beat Japan`s Fugaku to become world fastest supercomputer.

1888. Where is computer's BIOS stored?

کمپیوٹر کا بی ائی او یس کہاں محفوظ ہے؟

Check answer and explanation

Answer: Flash memory chip

Explanation BIOS stands for Basic input/output system. BIOS firmware was stored in a ROM chip on the PC motherboard. In later computer systems, the BIOS contents are stored on flash memory ND18-4-2023

1889. Why the following statement is erroneous? SELECT dept_name, ID, avg (salary) FROM instructor GROUP BY dept_name;

Check answer and explanation

Answer: Dept_id should not be used in group by clause

Explanation The correct answer is : Dept_id should not be used in group by clause (although this is not the case in the given query, as it uses dept_name) The error in the statement is that the ID column is not included in the GROUP BY clause. When using an aggregate function like AVG, all non-aggregated columns in the SELECT clause must be included in the GROUP BY clause.

1890. The single character is represented by _____ format specifier.

سنگل کردار کی نمائندگی _____ فارمیٹ کی وضاحت کنندہ کے ذریعہ کی جاتی ہے۔

Check answer and explanation

Answer: %c

Explanation The %c format specifier is used to represent a single character in C and similar programming languages . It is commonly used with functions like printf() to display characters.

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