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 RAM and ROM difference Sr# RAM ROM 1. Ram stands for Random Access Memory ROM stands for read-only memory , 2. Ram operation is read and write Ram operation is only read 3. It is like something written on sand which is temporary and would be erased. It is like something written on stone that cannot be removed or changed once written. 4. It is temporary memory , also called volatile memory. It is permanent storage devise and data remains safe on ROM even when computer is off also called non-volatile memory. 5. RAM stores information which is currently processed by computer. When power off, it loses all the information. Data can be read, stored, modified or delete from the RAM. It contains information related to computer startup process which is written at the time of memory manufacturing 6. volatile memory non-volatile memory 7. It is a high-speed memory. It is much slower than the RAM. 8. Large size with higher capacity. 1 to 256 GB per chip Small size with less capacity. 4 to 8 MB per chip 9. Types: Static RAM, Dynamic RAM Types: Programmable ROM (PROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), Mask ROM,
کسی دوسرے شخص سے موصول ہونے والے پیغامات عام طور پر ______ میں محفوظ ہوتے ہیں؟
A. Inbox
B. Sent Items
C. Drafts
D. None of these
Check answer and explanation
Answer: Inbox
Explanation The Inbox is the main folder for receiving and storing new messages. It allows easy reading, replying, and managing of messages from others.
گوگل ایک قسم کا سرچ انجن ہے جو کس وقت سے کام کر رہا ہے۔
A. 2001
B. 1999
C. 1994
D. 1997
Check answer and explanation
Answer: 1997
Explanation Google, a US multinational technology company Google is a type of search engine operating since 1997 Google was founded in the year: September 4, 1998 The Headquarters of Google is located in the city: of California Sergen Brin & Larry Page is the founder of Google Sergey Brin is the real owner of Google Parent organization : Alphabet Inc. ND07-3-2023
Explanation Endorsement is a means of communication that serves to express support or approval for something or someone, often used in marketing, legal, and political contexts. It can be a public statement, a signature, or even an action that indicates agreement or backing. Explanation: Endorsement means expressing support or approval for something or someone. It is commonly used in contexts like: Approving documents Supporting a candidate Recommending a product So, endorsement = a form of approval, not opposition or denial. Explanation: Endorsement means expressing support or approval for something or someone. It is commonly used in contexts like: Approving documents Supporting a candidate Recommending a product So, endorsement = a form of approval , not opposition or denial. V Explanation: Endorsement means expressing support or approval for something or someone. It is commonly used in contexts like: Approving documents Supporting a candidate Recommending a product So, endorsement = a form of approval , not opposition or denial. Explanation: Endorsement means expressing support or approval for something or someone. It is commonly used in contexts like: Approving documents Supporting a candidate Recommending a product So, endorsement = a form of approval , not opposition or denial.
Explanation The X Window System , a graphical windowing system for bitmap displays. It was first developed in 1984 . It provides a framework for building GUI-based programs in Unix-like operating systems.
Explanation AES (Advanced Encryption Standard) is a symmetric encryption algorithm. Symmetric encryption uses the same key for encryption and decryption . RSA and Diffie-Hellman are asymmetric algorithms using public/private keys. SHA-256 is a hash function, not an encryption algorithm.
جاوا میں انٹرفیس کے بارے میں درج ذیل میں سے کون سا بیان درست ہے؟
A. None of these
B. It can have constructors
C. It can contain instance variables
D. It can have abstract methods and default methods
Check answer and explanation
Answer: It can have abstract methods and default methods
Explanation Interfaces in Java can declare abstract methods (without a body) and default methods (with a body). They cannot have constructors or instance variables.
Explanation A millisecond is a unit of time in the International System of Units (SI) equal to one thousandth (0.001 or 10−3 or 1/1000) of a second and to 1000 microseconds
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