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 Essential business letter components are: Date And Address, Message And Signature **** Essentials of a Business Letter: ... (i) Letter Heading: ... (ii) Name and Address of Addressee: ... (iii) Salutation : ... (iv) Introductory Paragraph: ... (v) Body of the Letter: ... (vi) Closing paragraph: ... (vii) Subscription : SH4-9-2023
ڈی ڈی آر 3 ، ایس ڈی آر اے ایم ہر گھڑی کے چکر کو ______ کے اعداد و شمار کے الفاظ پڑھتا ہے یا لکھتا ہے۔
A. 8
B. 6
C. 12
D. None of these
Check answer and explanation
Answer: 8
Explanation DDR3 SDRAM (Double Data Rate 3 Synchronous Dynamic RAM) can read or write 8 words of data per clock cycle due to its 8n-prefetch architecture . This allows higher data transfer rates compared to earlier DDR versions .
Explanation A foreign key is used to link two tables and can contain duplicate values. In contrast, primary , candidate , and even secondary keys are typically unique.
Explanation A cell address is a combination of a column letter and a row number that identifies a cell on a worksheet . Cell Address is also known as Cell Reference . AGM 24-12-2022
Explanation A private cloud is a cloud deployment model where resources are dedicated to a single organization. This offering greater control and security. Other deployment models include public cloud, hybrid cloud, and community cloud.
اسٹیک میموری اسٹورز مندرجہ ذیل میں سے کون سا فنکشن _____ کہا جاتا ہے؟
A. Local variables
B. All of them
C. Parameters
D. Return addresses
Check answer and explanation
Answer: All of them
Explanation Stack memory stores return addresses, local variables, and function parameters during a function call. This allows the program to resume execution correctly after the function finishes.
Explanation Metadata provides information about other data (e.g., file size, author, creation date ). It helps in organizing, managing, and retrieving data efficiently .
ڈیٹا ماڈلنگ میں ڈیٹا پائپ لائن کا بنیادی مقصد کیا ہے؟
A. To visualize data relationships
B. To prepare and transform data for analysis
C. To define data attributes and properties
D. To calculate summary statistics
Check answer and explanation
Answer: To prepare and transform data for analysis
Explanation A data pipeline is a series of processes that extract data from multiple sources, transform the data into a standardized format, and load it into a target system for analysis. The primary purpose of a data pipeline in data modeling is to prepare and transform data for analysis, making it possible to : Extract data from various sources Clean and preprocess the data Transform the data into a format suitable for analysis Load the data into a data warehouse or analytics platform
C. Illegal access to open email accounts of others
D. Finding email address
Check answer and explanation
Answer: Illegal access to open email accounts of others
Explanation E-mail stands for: Electronic Mail Father of E-mail: Ray Tomlinson First E-mail sent: 1971 @ is used to divide an email into: two parts SMTP helps to send: E-mails SMTP stands for: Simple Mail Transfer Protocol Received email is saved: inbox Sent email is saved in: sent box Maximum attachment size in Yahoo Email: 25 MB G-mail stands: Google Mail Email spam also called: junk email To close email account click: sign out To create new E-mail: Sign Up Email hacking means: Illegal access to open email accounts of others Junk email is also called: Spam At sign ( @ ): always a part of email address Sending an E-mail is similar to: writing a letter A allows us to access our e-mail from anywhere: Webmail interface Bookmark : is associated with Internet E-mail
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