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.
Explanation The Interface Segregation Principle (ISP) states that clients should not be forced to depend on methods they do not use . If an interface has too many unrelated methods , it becomes difficult to implement and maintain . Clients may be forced to implement methods that are irrelevant to them.
کی بورڈ کو لاک کرنے کے لیے استعمال ہونے والی چابیاں
A. CTRL + Tab
B. CTRL + Alt
C. Ctrl+Alt+L
D. Windows logo + L
Check answer and explanation
Answer: Windows logo + L
Explanation To lock your keyboard press Ctrl + Alt + L To unlock your keyboard press the right SHIFT key for 8 seconds and again to turn off Filter Keys. On your keyboard, hold down the Windows Logo Icon key and the L key on the keyboard at the same time .
کون سا اسٹوریج ڈیوائس تیز رفتار اور کم تاخیر کے لئے جانا جاتا ہے؟
A. Solid State Drive (SSD)
B. Optical Disk Drive (ODD)
C. None of these
D. Hard Disk Drive (HDD)
Check answer and explanation
Answer: Solid State Drive (SSD)
Explanation SSDs have no moving parts, which results in faster data access speeds and lower latency . HDDs rely on mechanical components like spinning disks , which make them slower and more prone to delays in data retrieval.
A. The candidate key that is selected: uniquely Identify each occurrence of a entity type.
B. None of these
C. The minimal set of attributes that unique identifies each occurrence of an entity type.
D. Set of one or more attribute that can used to uniquely identify the records in table.
Check answer and explanation
Answer: The minimal set of attributes that unique identifies each occurrence of an entity type.
Explanation A Candidate Key is the smallest (minimal) set of attributes that uniquely identifies each record in a table. They are also called possible keys . It must be unique and cannot contain unnecessary attributes. A table can have multiple candidate keys, but only one is chosen as the primary key. Last verified on 24-03-2026
ایک قطار مندرجہ ذیل میں سے کون سے اصول کی پیروی کرتی ہے؟
A. LIFO
B. FIFO
C. SJF
D. None of them
Check answer and explanation
Answer: FIFO
Explanation Queue operates on the First In, First Out (FIFO) principle, meaning the first element added is the first to be removed . Common uses include print job management, task scheduling, and data buffering .
Explanation A graphics card (GPU) handles the rendering of images, videos, and animations on the computer screen. It is essential for tasks like gaming, video editing, and graphic design.
اگر آپ کو ونڈوز کو اپ ڈیٹ کرنے کے لیے کہا جائے تو آپ کو کیا کرنا چاہیے؟
A. Shut Down the Computer
B. Disable Firewall and Antivirus
C. Cancel the Update Process
D. Use Recommended Settings
Check answer and explanation
Answer: Use Recommended Settings
Explanation When updating Windows, it's recommended to use the recommended settings to ensure a smooth and successful update process. This option allows Windows to automatically handle the update process and install any necessary updates.
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