Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
91
What type of software application is Outlook Express?
Answer:
Email client
Outlook Express was a popular email and newsgroup client included with older versions of Microsoft Windows. It provided a graphical interface for users to manage, compose, send, and receive electronic mail messages using standard protocols like POP3 and IMAP.
92
Which port number is assigned as the default for SMTP communication?
Answer:
25
Simple Mail Transfer Protocol (SMTP) is the standard protocol used for sending emails across the internet. By convention, the default port assigned to SMTP for mail submission and relaying between servers is port 25. Other ports like 587 are also commonly used for secure submission.
93
In an email client, where is a successfully transmitted message typically stored?
Answer:
Sent items
Once an email has been successfully sent to the recipient's mail server, the email client automatically moves a copy of that message into the 'Sent' or 'Sent Items' folder for the user's reference and record-keeping purposes.
94
Which of the following represents a valid and correctly formatted email address?
Answer:
You@website.info
A standard email address must follow a specific structure consisting of a local part, an '@' symbol, and a domain name. The format 'You@website.info' adheres to these rules, where 'You' is the username, '@' acts as the separator, and 'website.info' is the domain. Other options lack the required '@' symbol or contain invalid characters for standard email routing.
95
What is the standard term for junk email?
Answer:
Spam
Spam is the widely accepted industry term for unsolicited, irrelevant, or inappropriate messages sent over the internet, typically to a large list of recipients.
96
Who was the co-founder of the Hotmail service established in 1996 that was later sold to Microsoft?
Answer:
Sabeer Bhatia
Sabeer Bhatia is widely recognized as the co-founder of Hotmail. The service revolutionized digital communication by allowing users to access their email from any web browser, leading to its acquisition by Microsoft shortly after its launch.
97
How is unsolicited bulk email commonly referred to in digital communication?
Answer:
Spam
Unsolicited bulk email is widely recognized as spam. While 'junk mail' is a common synonym, 'Spam' is the standard technical and industry term used to describe mass-distributed, unwanted electronic communications sent without the recipient's consent.
98
Which of the following methods is generally considered the slowest for collecting data?
Answer:
Email
Email is often considered slower for data collection compared to structured formats like Excel or Word because it relies on asynchronous communication, manual extraction, and potential delays in human response time.
99
What are the two primary components that constitute a standard email address?
Answer:
User Name and Domain Name
An email address is structured into two main parts separated by an '@' symbol. The first part is the local part or username, which identifies the specific mailbox, and the second part is the domain name, which specifies the mail server or organization hosting the account.
100
Which of the following characters is strictly prohibited from being used in an email address?
Answer:
Space ( )
Email addresses follow specific syntax rules defined by international standards. A space character is not permitted within an email address because it acts as a delimiter in many systems, which would cause the email delivery process to fail or be interpreted incorrectly.