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.

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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.

931. What is one use of a Report generated with reference to DBMS?

ڈی بی ایم ایس کے حوالے سے تیار کردہ رپورٹ کا کیا استعمال ہے؟

Check answer and explanation

Answer: It provides an on screen document from the database

Explanation A report in DBMS presents formatted data retrieved from the database in a readable , often printable form. It is mainly used for viewing and analyzing data.

932. Which statement best describes a transitive relation?

کون سا بیان سب سے بہتر طریقے سے ٹرانزٹیو ریلیشن کی وضاحت کرتا ہے؟

Check answer and explanation

Answer: If A > B and B > C, then A > C

Explanation A transitive relation means that if a relation holds between A and B , and B and C , it also holds between A and C . Example: “greater than” (>) i s transitive: if 5 > 3 and 3 > 2, then 5 > 2. This property is important in mathematics and computer science . Relations like adjacency or inequality may or may not be transitive. Understanding transitivity helps in reasoning and designing algorithms .

933. In the OSI model, which layer is responsible for encryption and decryption?

Check answer and explanation

Answer: Presentation layer

Explanation The Presentation layer converts data into a usable format for the application layer . It performs encryption and decryption to ensure secure data transfer.

934. Which of the following operating system is for smartphone?

مندرجہ ذیل میں سے کون سا آپریٹنگ سسٹم اسمارٹ فون کے لیے ہے؟

Check answer and explanation

Answer: Android

Explanation Android is a mobile operating system designed specifically for smartphones and tablets. It is based on the Linux kernel . It provides a platform for developers to build and run mobile applications.

935. Accuracy of data depends on?

ڈیٹا کی درستگی کس چیز پر منحصر ہے؟

Check answer and explanation

Answer: Source and method of data collection

Explanation The source and method of data collection significantly impac t the accuracy of the data. Different sources might have varying levels of reliability and accuracy. The method used to collect data, whether through surveys, interviews, experiments, Or other means can also introduce biases or errors. For example, a survey with leading questions might yield biased results.

936. What is a way for me to keep all my data organized in google drive .

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Answer: All

Explanation Now that all of your files are in Google Drive, here are some of the key ways you can stay organized. Create folders. Move files to folders. Access files quickly. Star important files and folders. Search and sort your files and folders. **** RY17-012-23

937. The purpose of normalization is to Identify a suitable set of relations that support the data requirements of an enterprise. Followings are the characteristics of a suitable set of relations EXCEPT?

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Answer: Implementation of a method that depends on the type of the object it is applied to (overriding).

Explanation Normalization organizes a database to reduce redundancy and dependency. A suitable set of relations has minimal attributes, logical grouping, and minimal redundancy. Object-oriented concepts like overriding are not related to normalization. Last verified on 24-03-2026

938. Cary T90 is an example of :

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Answer: Super computer

Explanation The Cray T90 series was the last of a line of vector processing supercomputers manufactured by Cray Research, Inc, superseding the Cray C90 series.

939. Data in ________ bytes size is called Big Data.

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Answer: Peta

Explanation The definition of big data is data that contains greater variety, arriving in increasing volumes and with more velocity.

940. When was Instagram Launched?

انسٹاگرام کو کب لانچ کیا گیا؟

Check answer and explanation

Answer: 2010

Explanation In April 2016 , Instagram released a Windows 10 Mobile app. Instagram started on October 6, 2010. The platform previously had a beta version of Instagram , first released on November 21, 2013 for Windows Phone 8.

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