Question Discussion & Solution

The correct answer is New Incognito Window.

Key Points

• Incognito Window
  • ​Private browsing is a privacy feature in some web browsers.
  • When operating in such a mode, the browser creates a temporary session that is isolated from the browser's main session and user data.
  • Browse in private
    • Switch on computer > open the Chrome app.
    • To the right of the address bar, tap More> New Incognito tab.
    • A new window appears.
    • In the top left, check for the Incognito icon.

Additional Information

• New tab and New window
  • The big difference is that browser tabs are easier for users to manage than browser windows.
  • When a new window opens, it covers the user's earlier window.
  • But when a new tab opens, the user can still see their earlier tab at the top.
• New Window
  • ​Open File Explorer (Win+X)> Right-click or press and hold on one or more selected folder libraries, or drives in File Explorer> click/tap on Open in a new window.
• New Tab ​
  • New Tab is a button on the tab bar which easily creates a new file. 
• ​Bookmark
  • ​A bookmark is a saved shortcut that directs your browser to a specific webpage.
  • It stores the title, URL, and favicon of the corresponding page.

Concept:

Software maintenance:

Any changes done in the software during its execution such as error correction, optimization etc. is software maintenance. Its objective is to preserve the value of software over time.

Explanation:

Types of software maintenance are:

Perfective maintenance: when there are new requirements from user side, then at that time changes made in the software is known as perfective maintenance. It makes the software more enhanced, clean structured, better than previous.

Adaptive maintenance: Changes done in the software environment that includes any work initiated as consequence of moving the software to different hardware or software is known as adaptive maintenance.

Preventive maintenance: It prevent software from future problems.

The correct answer is Interconnection and networks.

Key Points

• Internet:
  • The term Internet is derived from the words interconnection and networks. Hence, Option 4 is correct.
  • The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices.
  • It is a network of networks that consists of private, public, academic, business, and government networks of local to global scope, linked by a broad array of electronic, wireless, and optical networking technologies.
  • The Internet carries a vast range of information resources and services, such as the inter-linked hypertext documents and applications of the World Wide Web (WWW), electronic mail, telephony, and file sharing. 
  • The first web page address was http://info.cern.ch/hypertext/WWW/TheProject.html.
  • ARPANET adopted TCP/IP on January 1, 1983.
  • NCSA Mosaic ran on Windows computers was the first browser to surf the internet. 

Additional Information

• A computer network is mainly of four types:
  • LAN(Local Area Network)
  • PAN(Personal Area Network)
  • MAN(Metropolitan Area Network)
  • WAN(Wide Area Network) 

S.I. Unit of Pressure is Pascal,

Similarly,

S.I. Unit of Current is Ampere.

Concept:

The Android operating system was developed by Google for use in all of its touchscreen devices, tablets, and cell phones. This operating system was first developed by Android, Inc., a software company located in Silicon Valley before it was acquired by Google in 2005

The first public release of Android 1.0 occurred with the release of the T-Mobile G1 (aka HTC Dream) in October 2008. Android 1.0 and 1.1 were not released under specific code names.

Android name with their respective versions