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.
پروگرامر کے ذریعہ بیان کردہ افعال کو _____ کے نام سے جانا جاتا ہے؟
A. None of these
B. User-defined
C. Pre-defined
D. Subfunction
Check answer and explanation
Answer: User-defined
Explanation User-defined functions are those that are created by the programmer to perform specific tasks. Unlike pre-defined functions, they offer custom behavior and improve code reusability and structure.
ایک پروگرام دستاویز کی افادیت جو کمپیوٹر پر ہارڈ ویئر نہیں ہے اسے _____ کہا جاتا ہے؟
A. Data
B. File
C. Extension
D. Software
Check answer and explanation
Answer: Software
Explanation Software is a program or set of instructions that tell a computer what to do, whereas hardware refers to the physical components of a computer. Software is an intangible component that provides instructions for the hardware to execute, making it a program document utility that isn't hardware on a computer.
C. A key that uniquely identifies a record in the same table
D. A field in one table that refers to the primary key of another table
Check answer and explanation
Answer: A field in one table that refers to the primary key of another table
Explanation A foreign key is a column in one table that creates a link to the primary key of another table. It helps to: Maintain data integrity Establish relationships between tables Prevent invalid data entry It is an important concept in relational databases.
پروگرام کے عمل کے دوران کی بورڈ سے متغیرات میں ویلیو حاصل کرنے کے لیے کون سا فنکشن استعمال ہوتا ہے؟
A. Scanf()
B. Printf()
C. Main()
D. Getch()
Check answer and explanation
Answer: Scanf()
Explanation The function used to get values into variables from the keyboard is scanf() . It reads input from the standard input ( usually the keyboard ) and stores it in the specified variables.
اگر آپ اپنے دفتر میں اسٹار ٹوپولاجی استعمال کرتے ہیں تو پھر اس ٹوپولوجی کو استعمال کرنے کا بنیادی فائدہ مندرجہ ذیل میں سے کون سا ہے؟
A. A single computer failure does not bring down the whole network.
B. It is more expensive network
C. It required connections with a hub.
D. None of these
Check answer and explanation
Answer: A single computer failure does not bring down the whole network.
Explanation In Star Topology , each device is connected independently to a central hub, so failure of one device doesn’t affect the others. This makes the network more reliable and easier to manage compared to other topologies.
مندرجہ ذیل میں سے کون سا ویب تک رسائی کے لیے استعمال نہیں ہوتا؟
A. ISDN
B. Modem
C. None of these
D. UDP
Check answer and explanation
Answer: ISDN
Explanation ISDN (Integrated Services Digital Network) is a circuit-switched telephone network system that transmits both data and voice over a digital line. Additional Points : Modem : Converts digital signals to analog for internet access. HTTP/HTTPS : Protocols specifically designed for accessing web pages. TCP : Works alongside UDP but is more reliable for web communications.
مندرجہ ذیل میں سے کون سا ٹرانسمیشن میڈیم کی مثال ہے؟
A. Satellite System
B. Video Camera
C. LED TV
D. None of these
Check answer and explanation
Answer: Satellite System
Explanation A transmission medium is a channel through which data is transmitted — satellite systems are used to transmit signals over long distances. LED TV or video camera are devices, not mediums for data transmission.
مندرجہ ذیل میں سے کون سی سی میں معیاری بلٹین ڈیٹا ٹائپ نہیں ہے؟
A. Int
B. Long
C. Char
D. Bool
Check answer and explanation
Answer: Bool
Explanation Standard C (before C99) does not have a built-in bool type; _Bool was introduced in C99 . int, long, and char are standard primitive data types in C.
دو اختتامی نقطوں کے درمیان تعلق، یا تو طبعی یا منطقی، جس پر ڈیٹا بیک وقت دونوں سمتوں میں سفر کر سکتا ہے _____ کہلاتا ہے۔
A. Networks
B. Dump point
C. Datalink
D. Duplex
Check answer and explanation
Answer: Duplex
Explanation A connection between two end points, either physical or logical, over which data may travel in both directions simultaneously is called duplex. Full-duplex data transmission means that data can be transmitted in both directions on a signal carrier at the same time.
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