Explanation

Explanation

Email addresses cannot contain spaces, as they are not valid characters in email formatting.

Other characters like underscore (_) and at sign (@) are allowed. T

The at sign (@) is essential because it separates the username from the domain in an email address.

Explanation

Explanation

. Extemporaneous and impromptu may both refer to speeches given without any preparation

Explanation

Nurek is a dam in Tajikistan

It is located on the Vakhsh River

It is one of the world's highest dams.

The dam is 984 feet (300 meters) high

It was completed in 1980

Nurek, Tajikistan: the city was established in 1960 to support the construction of the Nurek Dam,

Explanation

A stock exchange facilitates stock brokers to trade company stocks and other securities.

A stock may be bought or sold only if it is listed on an exchange.

Explanation

Provincial Assembly of Punjab will have a total of 371 seats:

297 general seats,

66 reserved for women,

8 reserved for non-Muslims.

Explanation

In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked on the tube.

Water freeze at 32 F and boils at 212 F

Explanation

• E-mail stands for: Electronic Mail
• Father of E-mail: Ray Tomlinson
• First E-mail sent: 1971
• @ is used to divide an email into: two parts
• SMTP helps to send: E-mails
• SMTP stands for: Simple Mail Transfer Protocol
• Received email is saved: inbox
• Sent email is saved in: sent box
• Maximum attachment size in Yahoo Email: 25 MB
• G-mail stands: Google Mail
• Email spam also called: junk email
• To close email account click: sign out
• To create new E-mail: Sign Up
• Email hacking means: Illegal access to open email accounts of others
• Junk email is also called: Spam 
•  At sign (@): always a part of email address
• Sending an E-mail is similar to: writing a letter
• A allows us to access our e-mail from anywhere: Webmail interface 
• Bookmark:  is associated with Internet E-mail

Explanation

The full form of UPS is Uninterruptible Power Supply.

UPS is a type of power supply system with an integrated battery and in the absence of primary mode or when power is shut down, the battery is used for the power source.