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 In computer terminology, especially in databases or object-oriented programming, An "attribute" refers to a property or characteristic of an object, entity, or record. - Properties : Another word for attributes (correct). - Records : A complete set of fields (not the same as an attribute). - Fields : These store data in a table, and each field is usually tied to one attribute — close, but not the synonym. - Table : Collection of rows and columns — not the same as attributes.
ڈیٹا بیس میں ، آپ کسی ٹیبل میں قطاروں کے مقام کا تعین کیسے کرسکتے ہیں؟
A. None of these
B. By using conceptual scheme
C. By using index
D. By using random file
Check answer and explanation
Answer: By using index
Explanation An index helps the database quickly locate rows in a table without scanning the entire data. It improves query performance by providing direct pointers to the data rows.
کمپیوٹر ایک ایسا کمپیوٹر ہے جو اس وقت کام کرتا رہتا ہے جب اس کا کوئی ایک جزو ناکام ہوجاتا ہے، اس بات کو یقینی بناتے ہوئے کہ کوئی ڈیٹا ضائع نہ ہو۔ ______
A. None of these
B. Antivirus
C. Backup
D. Fault-tolerant
Check answer and explanation
Answer: Fault-tolerant
Explanation A fault-tolerant computer ensures continuous operation even if one component fails. It is designed to prevent data loss by using redundancy and backup systems.
Explanation The Atanasoff–Berry computer was the first automatic electronic digital computer. Limited by the technology of the day, a nd execution , the device has remained somewhat obscure.
مندرجہ ذیل میں سے کون سا یونٹ ینالاگ سگنل کی بینڈوتھ کو بڑھانے کے لئے استعمال ہوتا ہے؟
A. Bytes per second
B. Amplitude
C. Hertz
D. None of these
Check answer and explanation
Answer: Hertz
Explanation Hertz (Hz) is the unit used to measure the frequency of an analog signal , and higher frequency means higher bandwidth. Bandwidth in analog signals refers to the range of frequencies, which is expressed in Hertz.
Explanation The symbol "*" is used to indicate that something is important, special, or notable. It highlights information that needs attention or emphasis.
پیچیدہ دستاویزات جیسے نیوز لیٹرز اور بروشرز کے ڈیزائن اور لے آؤٹ کو کنٹرول کرنے کے لیے سب سے زیادہ موزوں سافٹ ویئر کا زمرہ _____ ہے؟
A. Computer-aided design
B. Desktop publishing
C. None of these
D. Word processing
Check answer and explanation
Answer: Desktop publishing
Explanation Desktop publishing software is specifically designed for creating complex layouts for printed materials. It allows precise control over text, images, and graphics in documents like newsletters and brochures.
Explanation Star topology is a topology for a Local Area Network (LAN). In which all nodes are individually connected to a central connection point, like a hub or a switch.
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