Internet of Things

Range
Short range: Covers distances up to a few tens of meters. Examples include Bluetooth and Visible Light Communications (VLC), typically found in smaller IoT installations. Wireless short-range technologies often serve as alternatives to serial cables. Medium range: Extends from tens to hundreds of meters, with a maximum distance generally less than 1 mile. This is a primary category for IoT access technologies, encompassing Wi-Fi, IEEE 802.15.4, and 802.15.4g WPAN, as well as wired technologies
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mathematics

Ques􀆟on 1: Given U = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
A = {2, 4, 6}
B = {1, 3, 5, 7}
C = {6, 7}
(a) A' ∩ B
A' = U - A = {0, 1, 3, 5, 7, 8, 9}
A' ∩ B = {0, 1, 3, 5, 7, 8, 9} ∩ {1, 3, 5, 7} = {1, 3, 5, 7}
(b) (A ∪ B) - C
A ∪ B = {2, 4, 6} ∪ {1, 3, 5, 7} = {1, 2, 3, 4, 5, 6, 7}
(A ∪ B) - C = {1, 2, 3, 4, 5, 6, 7} - {6, 7} = {1, 2, 3, 4, 5}
(c) (A ∪ C)'
A ∪ C = {2, 4, 6} ∪ {6, 7} = {2, 4, 6, 7}
(A ∪ C)' = U - (A ∪ C) = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} - {2, 4, 6, 7} = {0, 1, 3,
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1. Define protocols. Explain WWW and HTTP protocol.

Protocol:

A protocol is a set of rules and conventions that govern the communication between devices in a network.

It ensures data is sent, received, and understood properly between computers or network devices.

WWW (World Wide Web):

WWW is a system of interlinked hypertext documents and resources accessed via the internet using a web browser.It uses HTTP protocol to transfer web pages from the server to the client.Components of WWW: Web

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1. Define Management. What are its functions?

Management is the process of planning, organizing, leading, and controlling organizational activities to achieve desired goals efficiently and effectively.

Functions of Management: /**Planning – Setting goals and determining how to achieve them. /**Organizing – Arranging resources and tasks to achieve objectives. /**Leading – Motivating and directing employees to work effectively. /**Controlling – Monitoring progress

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Subject

Write any three properties of electric charge.

Ans: 1. Additivity of charges: The total charge of a system is the algebraic sum of all individual charges in the system.

ii. Conservation of charge: The total charge of an isolated system remains unchanged with time.

iii. Quantisation of charge: The total charge of a body is always integral multiple of a basic quantum of charge 'e' ie. q±ne

iv. Like charges repel and unlike charges attract each other.

2. State and explain Coulomb's law in electrostatics.

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6. Indexer vs Properties & Generic Class

Difference:

Feature Indexer Property
Syntax this[index] get/set
Purpose Access like array Access like variable
Usage obj[0] obj.Name

Generic Class Example:class MyBox<T> { public T Value; public void Show() => Console.WriteLine(Value); } class Program { static void Main() { /** MyBox<int> b1 = new MyBox<int> { Value = 100 }; /**MyBox<string> b2 = new MyBox<string> { Value =

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PHARMA

1.A medical prescription includes the date, patient identification (such as name, age, and weight if relevant), the Rx symbol (meaning "take"), the inscription (drug name, strength, dosage form, and quantity), the subscription (instructions to the pharmacist), the signatura or "Sig." (directions for the patient including route, frequency, and duration), the prescriber's information (name, signature, license number), and refill instructions. Units of measurement include micrograms (µg), milligrams

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PATHOPART2

🔹 Topic 38: Atherosclerosis

A chronic inflammatory disease of medium and large arteries, caused by endothelial injury and lipid accumulation. Key risk factors: hypertension, hyperlipidemia, smoking, diabetes. Lesions evolve from fatty streaks → fibrous plaques → complicated plaques. Complications: MI, stroke, aneurysm, peripheral artery disease. Histologically shows lipid cores, calcification, and fibrous caps.

🔹 Topic 41: Hypertensive Disease

Chronic BP elevation causes vascular and

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GROSS ANATOMY

1. Brain Abscess

  • Gross Morphology: Localized area of liquefactive necrosis filled with yellow pus, surrounded by a thin fibrous capsule and edematous, inflamed brain tissue.

  • Pathology: Caused by hematogenous spread of bacterial infection, direct trauma, or contiguous spread (e.g. from sinuses). Represents focal suppurative inflammation of the brain.

2. Neurinoma (Schwannoma)

  • Gross Morphology: Well-circumscribed, encapsulated globoid mass with a soft, tan “fish-flesh” appearance, often

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