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.
مشکوک ای میل کی تصدیق کرنے کا سب سے محفوظ طریقہ کیا ہے؟
A. Forward it to everyone
B. None of these
C. Contact the sender directly
D. Download and open all files
Check answer and explanation
Answer: Contact the sender directly
Explanation If an email looks suspicious , the safest way is to verify by directly contacting the sender using a trusted method (like phone or known email). Never click links or download files unless you're sure it's safe.
Explanation Computers work with binary code . This means they use only two digits: 0 and 1. Everything inside a computer, from the simplest instruction to the location of data ( memory address ). It is represented using combinations of these 0s and 1s.
مندرجہ ذیل میں سے کون سا ملٹی میڈیا فائل فارمیٹ ہے جو عام طور پر آڈیو فائلوں کے لئے استعمال ہوتا ہے؟
A. JPEG
B. None of these
C. PDF
D. WAV
Check answer and explanation
Answer: WAV
Explanation WAV is a multimedia file format used to store audio files. It provides high-quality uncompressed sound , unlike compressed formats like MP3.
مندرجہ ذیل میں سے کون سا آپریٹنگ سسٹم آئی بی ایم نے تیار کیا ہے؟
A. OS-2.
B. UNIX
C. Windows.
D. DOS.
Check answer and explanation
Answer: OS-2.
Explanation OS/2 (Operating System/2) was initially created through a joint development agreement between IBM and Microsoft Microsoft left the project around 1990 , and development wa s solely continued by IBM, Additional information Windows is an operating system family developed DOS developed by IBM after the split with Microsoft was OS/2. UNIX was originally developed in 1969 by a group of AT &T employees at Bell Labs, not IBM
Explanation Prototyping is a software development methodology that involves creating a working model or a mockup of a system or application to test and refine its requirements and design. In prototyping, Fourth-Generation Languages (4GLs) are often used. 4GLs are high-level programming languages that provide a more abstract and visual way of programming, making it easier to quickly build and test prototypes.
کسی پوائنٹر کے پتے پر قیمت تک رسائی کے لئے کون سا آپریٹر استعمال ہوتا ہے؟
A. None of these
B. *
C. []
D. &
Check answer and explanation
Answer: *
Explanation The * operator , called the dereference operator . It is used to access the value stored at the pointer’s address . & gives the address , [] is for arrays , and -> accesses members of a struct via pointer.