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.

31. What is a piece of hardware or software that reads all data packets in a network?

ہارڈ ویئر یا سافٹ ویئر کا ایک ٹکڑا کیا ہے جو نیٹ ورک میں تمام ڈیٹا پیکٹ پڑھتا ہے؟

Check answer and explanation

Answer: Firewall

Explanation A Firewall is a piece of hardware or software that reads all data packets in a network and blocks or allows them based on predetermined security rules. It acts as a barrier between a trusted network and an untrusted network, such as the internet.

32. Which of the following keys displays the hidden task bar___?

مندرجہ ذیل میں سے کون سی کیز چھپی ہوئی ٹاسک بار کو دکھاتی ہے؟

Check answer and explanation

Answer: Ctrl + Esc

Explanation The Taskbar is used for: Navigation programs, Switching between programs and Starting a program. ** Taskbar elements. The Start button , a button that invokes the Start menu Ctrl + Esc displays the hidden task bar. AGM 08-2-2023

33. SRAM used for

Check answer and explanation

Answer: Both

Explanation SRAM is commonly used for a computer's cache memory, such as a processor's L2 or L3 cache. SRAM is also used in: personal computers, workstations, routers, and peripheral equipment: ******* VU FIA PAPER 18-12-2021 ND31-12-2022

34. Handheld devices are called ____?

ہینڈ ہیلڈ ڈیوائسز کو کیا کہا جاتا ہے؟

Check answer and explanation

Answer: Hardware

Explanation Handheld devices, such as smartphones , tablets , and personal digital assistants (PDAs), are examples of hardware . Hardware refers to the physical components of a computer system, including devices that are held in one's hand.

35. “Add or Remove programs” is a(an) ……?

Check answer and explanation

Answer: Utility program

Explanation Utility software is software designed to help analyze, configure, optimize or maintain a computer.

36. What is the time complexity of Linear Search?

لکیری تلاش کی وقت کی پیچیدگی کیا ہے؟

Check answer and explanation

Answer: O(N)

Explanation Linear search runs in linear time and makes a maximum of n comparisons , where n is the length of the list. Hence, the computational complexity for linear search is O(N) .

37. In a table composite key consists of _______ attribute (s).

Check answer and explanation

Answer: More than one

Explanation The Primary Key consisting of two or more attributes is called Composite Key.

38. کمپیوٹر کی اصطلاح کس سے ماخوذ ہے

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Answer: لاطینی

Explanation The term ‘Computer’ is derived from the Latin word “computare” which means to “ to calculate”, “to count”, “to sum up” or “to think together” . So, more precisely the word computer means a “device that performs computation“.

39. IC are classified on the basis of?

Check answer and explanation

Answer: Number of transistors.

Explanation Integrated Circuits (ICs) are primarily classified based on the number of transistors they contain. The number of transistors on an IC is a key indicator of its complexity and processing power. Different levels of integration (SSI, MSI, LSI, VLSI) are defined based on the transistor count. This classification system is widely used.

40. What is the place by which data can enter or leave the computer?

وہ کون سی جگہ ہے جہاں سے ڈیٹا کمپیوٹر میں داخل یا چھوڑا جا سکتا ہے؟

Check answer and explanation

Answer: Port

Explanation A port is a virtual point where network connections start and end. A ports is software-based and managed by a computer's operating system.

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