| Class XII |
Informatics Practices |
Informatics Practices |
4 |
excluding Mahi have scored less than Mahi. To visualise this kind of data, we use quartiles. Quartiles are the measures which divide the data into ... |
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| Class XII |
Informatics Practices |
Informatics Practices |
4 |
52 71 Sameer Murthy 60 43 55 52 71 Angelina 78 33 39 48 68 Angad Bedi 62 43 51 48 54 Program 4-14 Think and Reflect import numpy as np What would h... |
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| Class XII |
Informatics Practices |
Informatics Practices |
4 |
DataFrame 'df' with a title df.plot(kind='box',title='Compare Resorts') #set xlabel,ylabel plt.xlabel('Resorts') plt.ylabel('Rating (5 years)') #di... |
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| Class XII |
Informatics Practices |
Informatics Practices |
4 |
in Program 4.16. Program 4-17 Let us consider the dataset of Table 4.10 showing the forest cover of north eastern states that contains geographical... |
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| Class XII |
Informatics Practices |
Informatics Practices |
4 |
plt is an alias or an alternative name for matplotlib.pyplot. You can keep any alias of your choice. • The pyplot module houses functions to create... |
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| Class XII |
Mathematics |
Mathematics Part-II |
1 |
These will be used later without reference. (i) ∫tan x dx = log sec x +C We have sin x ∫tan x dx = ∫ dx cos x Put cos x = t so that sin x dx = – dt... |
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| Class XII |
Informatics Practices |
Informatics Practices |
4 |
data using a line plot: n otes Day 1 2 3 4 5 6 7 Tickets 2000 2800 3000 2500 2300 2500 1000 sold • Before displaying the plot display “Monday, Tues... |
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| Class XII |
Informatics Practices |
Informatics Practices |
4 |
and states • State Wise literacy rate Download them and create a CSV file containing population data and literacy rate of the respective state. Als... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
C h a p t e r 5 Internet and Web “The internet could be a very positive step towards education, organisation and participation in a meaningful soci... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
large depending on the number of computers it connects. A computer network can include different types of hosts (also called nodes) like server, de... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
are broadly categorised as: • LAN (Local Area Network) • MAN (Metropolitan Area Network) • WAN (Wide Area Network) 5.2.1 Local Area Network (LAN) I... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
MAN. This kind of network Reprint 2026-27 nternet anWeb 141 can be extended up to 30–40 km. Sometimes, many LANs are connected together to form MAN... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
signal and the medium (be it free-space or a physical media) carries the signal to the receiver. There are modems connected to both the source and ... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
any of the lines are sent out on all the others. The limitation of hub 1 2 3 4 5 6 7 8 is that if data from two devices come at the same time, they... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
by a router. Reprint 2026-27 Internet anW eb 145 Figure 5.10: A Router An Internet service provider (ISP) is any A router can be wired or wireless.... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
firewall is usually integrated with it. 10.0.0.0/8 Server GATEWAY Server 20.0.0.0/8 IP ADDRESS IP ADDRESS PC 4 PC 5 PC 4 PC 5 PC 1 PC 2 PC 3 PC 1 P... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
of network, data transmitted from source first reaches the centralised device and from there the data passes through Figure 5.16: A hybrid topology... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
web pages and web resources. The resources on the web can be shared or accessed through the Internet. Earlier, to access files residing in differen... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
bing.com, automatically prefixes it. duckduckgo.com, in.yahoo.com, etc., • HTTP — The HyperText Transfer Protocol is a set of rules which is used t... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
the common facilities available for an email user: 1. Creating an email, attaching files with an email, saving an email as draft for mailing later.... |
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| Class XII |
Mathematics |
Mathematics Part-II |
1 |
1 (i) ∫sin x cos x dx (ii) ∫ sin (x + a)dx (iii)∫ 1+ tan x dx Solution (i) We have sin x cos x dx = sin x cos x (sin x) dx ∫ ∫ (1– cos x) cos x (si... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
as WhatsApp, Slack, Skype, Yahoo Messenger, Google Talk, Facebook Messenger, Google Hangout, etc., are examples of instant messengers. Some of thes... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
web pages related through hyperlinks, and saved on a web server. A visitor navigates from one page to another by clicking on hyperlinks. Also, all ... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
page (also referred to as a page) is a document on the WWW that is viewed in a web browser. Basic structureofawebpageiscreatedusingHTML(HyperText M... |
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| Class XII |
Informatics Practices |
Informatics Practices |
5 |
2026-27 nternet anWeb 155 receives a request (from browser) for a static web page, it just locates the page on its storage media and sends it to th... |
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