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
111
Which traditional communication service is most analogous to the functionality of an Electronic Mail (Email) system?
Answer:
Postal service
Email is often compared to the traditional postal service because it involves sending messages from a sender to a recipient's specific address. Like physical mail, email messages are stored in a mailbox until the recipient retrieves them, allowing for asynchronous communication rather than the real-time interaction required by telephone or radio services.
112
Which entrepreneurs co-founded the web-based email service Hotmail in 1996 before its acquisition by Microsoft?
Answer:
Sabeer Bhatia and Jack Smith
Sabeer Bhatia and Jack Smith founded Hotmail in 1996, which became one of the first free web-based email services. The platform gained massive popularity quickly, leading to its acquisition by Microsoft in 1997, where it was integrated into the MSN service suite and eventually evolved into Outlook.com.
113
Which of the following practices should be avoided when composing professional electronic mail?
Answer:
Wrong E-mail address
Sending an email to an incorrect address is a significant error that compromises communication security and efficiency. While professional etiquette may discourage excessive use of smileys, sending mail to the wrong recipient is a fundamental failure in email management.
114
What is the term for a digital file that is included with an email message?
Answer:
Attachment
An attachment is a file, such as a document, image, or spreadsheet, that is sent along with an email message. The email client encodes the file into the message structure, allowing the recipient to download or open the file independently of the email body text.
115
What is the term for the computer system that holds email messages until the recipient retrieves them?
Answer:
Email server
An email server acts as a central repository that receives, stores, and forwards email messages. It holds incoming mail in a mailbox until the user connects via an email client to download or view the messages.
116
What is the primary function of computer conferencing systems?
Answer:
allows participants to examine documents and comments from geographically remote sites
Computer conferencing is a collaborative technology that enables users located in different geographical areas to share, review, and discuss documents and comments in a centralized digital space. This facilitates remote teamwork and information exchange, making it a highly interactive form of communication that does not rely on batch processing or mandatory voice integration.
117
What is the term for the process of sending and receiving text messages over computer networks?
Answer:
Electronic mail
Electronic mail, or email, is a method of exchanging digital messages between people using electronic devices. It has become a standard communication tool on computer networks, allowing for the rapid transmission of text, documents, and other files across global networks.
118
What is a significant advantage of using email compared to telephone communication for brief messages?
Answer:
e-mail doesn't demand the immediate attention of the recipient
Email provides an asynchronous communication channel, meaning the sender and recipient do not need to be available simultaneously. Unlike a telephone call, which requires the recipient to stop their current task to answer, email allows the recipient to process the information at their convenience, which helps maintain productivity and reduces the pressure of immediate response.
119
Which character is required in an email address to correctly separate the username from the domain name?
Answer:
@
The '@' symbol, known as the 'at' sign, is the standard delimiter used in all email addresses to separate the local part (username) from the domain name, ensuring the mail server can correctly route the message.
120
What is the full form of the term 'E-mail'?
Answer:
Electronic Mail
E-mail is an abbreviation for Electronic Mail. It refers to a method of exchanging digital messages between people using electronic devices such as computers, tablets, and smartphones over a network like the internet.