Question Discussion & Solution

The correct answer is World Wide Web.

Key Points

• Web service is a standardized medium to propagate communication between the client and server applications on the WWW (World Wide Web). 
  • A web service is a software system that supports interoperable machine-to-machine interaction over a network.
  • It has an interface described in a machine-processable format (specifically, Web Service Definition Language, or WSDL).
  • Web services fulfil a specific task or a set of tasks.
  • The nature of the interface hides the implementation details of the service so that it can be used independently of the hardware or software platform on which it is implemented and independently of the programming language in which it is written.

Additional Information

• A protocol is a set of rules or procedures for transmitting data between electronic devices, such as computers.
• The protocol that is used for transferring both text and binary files over the Internet is File Transfer Protocol (FTP).
• Hypertext Transfer Protocol (HTTP) is a protocol for transmitting hypermedia documents, such as HTML.
• Hypertext Transfer Protocol Secure (HTTPS) is a secure version of the HTTP protocol that uses encryption and authentication.

Concept:

Resistance: The property of electrical materials and electrical instruments that opposes the flow of current through them is called resistance.

It is denoted by R. The SI unit of resistance is the ohm (Ω).

Power: The rate of work done by an electric current is called power. It is denoted by P. The SI unit of power is the watt (W).

Power dissipation (P) is given by:

\(P=VI=\frac{V^2}{R}=I^2R\)

Where V is the potential difference across resistance, I is current flowing and R is resistance.

Calculation:

With R = 50 Ω, and V = 220 V, the power required by the bulb will be:

\(P=\frac{V^2}{R}=\frac{220\times 220}{50}\)

P = 968 W

The correct answer is 5.

• Division (/) and multiplication (*) have same order of precedence and associativity is from left to right
• Addition (+) and subtraction (-) have the same order of precedence and associativity is from left to right
• / or * has a higher order of precedence then + or –
• %d → conversion specifier for an integer

Therefore: (9 + (21 ÷ 5)) - (2 × 4)) → considering the associativity of operators

⇒21 ÷ 5 corresponds to ⌊21 ÷ 5 ⌋ = 4

Copper is a type of metal similarly, rupee is a currency of India.

Correct Option -2

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