Class 9 Computer Science Chapter 4 Introduction to Internet Question Answer, Computer Science Class 9 Solutions, NCERT Class 9 Computer Science Chapter 4 Introduction to Internet to each chapter is provided in the list so that you can easily browse throughout different chapters SCERT Class 9 Computer Science Chapter 4 Introduction to Internet and select needs one.
Class 9 Computer Science Chapter 4 Introduction to Internet
Also, you can read the SCERT book online in these sections Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. NCERT Solution of Class 9 Computer Science Chapter 4 Introduction to Internet is part of AHSEC All Subject Solutions. Here we have given Class 9 Computer Science Chapter 4 Introduction to Internet Notes for All Subjects, You can practice these here in SEBA Class 9 Computer Science.
Introduction to Internet
Chapter – 4
COMPUTER SCIENCE
TEXTUAL QUESTIONS AND ANSWERS
OBJECTIVE TYPE QUESTIONS
1. Fill in the blanks.
(a) The connection structure of a computer network is called______.
Ans. topology.
(b) Normally server computers are______ than client computers.
Ans. higher capacity computers.
(c) An organizations who provide an internet connection to their consumers is called_____.
Ans. Internet Service Provider (ISP).
(d) Based on ______ search results are ordered in a search engine.
Ans. rank.
(e) The sent section of an email interface contain _____ emails.
Ans. successfully sent.
2. Choose the correct option.
(a) A network switch is required to from.
(1) Star Topology
(2) Mesh Topology
(3) Ring Topology
(4) Bus Topology
Ans. (1) Star Topology.
(b) How many cables are required to from a mesh topology of 10 computers?
(1) 15
(2) 100
(3) 25
(4) 45
Ans. (4) 45.
(c) Which of the following not a protocol?
(1) HTTP
(2) HTTPS
(3) ISP
(4) FTP
Ans. (3) ISP.
(d) How many repeaters are required to transfer data up to 400 metres using a twisted-pair cable?
(1) Not required
(2) 4
(3) 2
(4) 3
Ans. (2) 4.
(e) Normally unsolicited bulk emails appear in
(1) Inbox
(2) Trash
(3) Drafts
(4) Spam
Ans. (4) Spam.
Explanation: If suppose, N number of devices are connected with each other in mesh topology, then total number of dedicated links required to connect them is N(N-1)/2.
DESCRIPTIVE TYPE QUESTIONS
3. Short answer questions.
1. What is topology? From your understanding describe which topology will be best to set up a computer network in your school.
Ans. The term network topology refers to the arrangements, either physical or logical, of nodes and connections within a network.
The star topology will be best to set up a computer network is easy to setup, relatively inexpensive, and provides more redundancy than other topologies.
2. Give an example of a URL and describe different sections of it.
Ans. URL is an acronym for Uniform Resource Locator and is a reference (an address) to a resource on the Internet. A URL has two main components: Protocol identifier: For the URL http://example.com
3. What is ranking? How is it related to a search engine?
Ans. Rankings in SEO refer to a website’s position on the search engine results page. There are various ranking factors that influence whether a website appears higher on the SERP based on the content relevance to the search term, or the quality of backlinks pointing to the page.
4. What is the use of BCC in an email? Describe with an example.
Ans. For security and privacy reasons, it is best to use the Blind Carbon Copy (BCC) feature when sending an email message to a large number of people. When you place email addresses in the BCC field of a message, those addresses are invisible to the recipients of the email.
For example, if you have abc@example.com and pqr@example.com in the BCC list, neither abc nor pqr will know that the other received the email.
5. What are the differences between Chat and Video Conferencing?
Ans. “Chatting” is technically just a casual conversation. However, in the computer world, it typically refers to instant messaging using text alone to communicate. Video conferencing, however, uses live steams of audio and video to display the likeness of the person and play their voice through speakers.
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