Question Discussion & Solution

Here the pattern is,

Hence, B9 is the correct answer.

The correct answer is All of these

• An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
• The three most common operating systems for personal computers are Microsoft Windows, Mac OS X, and Linux.
• Modern operating systems use a graphical user interface(GUI).
• An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software that performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
• Some popular Operating Systems include Linux Operating System, Windows Operating System, VMS, OS/400, AIX, z/OS, etc.
• The following are some of the important functions of an operating system:
  • Memory Management
  • Processor Management
  • Device Management
  • File Management
  • Security
  • Control over system performance
  • Job accounting
  • Error detecting aids
  • Coordination between other software and users

Voltage is measured by Voltmeter.

Similarly,

J.K Rowling – She is a British writer.

Chetan Bhagat – He is an Indian writer.

Premchand – He was an Indian writer.

R.D Burman – He was an Indian music director.

The correct answer is website.

• Collections of many web pages are called websites.

Key Points

• It can also be said that a website or site is a location where a lot of web pages are kept.
• It is a place connected to the Internet where information about an organization is available.
• The World Wide Web (www) which is a part of the Internet consists of websites.
• A website is a book printed on the Internet, through which information can be given about something or some goods or services can be sold.