Explain any two types of operating system.
What is an antivirus?
Define computer screen saver.
Explain Header and Footer in MS-Word.
Answers
Answer:
Examples of network operating systems include Microsoft Windows Server 2003, Microsoft Windows Server 2008, UNIX, Linux, Mac OS X, Novell NetWare, and BSD. Centralized servers are highly stable. Security is server managed. Upgrades to new technologies and hardware can be easily integrated into the system.
Antivirus software, or anti-virus software, also known as anti-malware, is a computer program used to prevent, detect, and remove malware. Antivirus software was originally developed to detect and remove computer viruses, hence the name.
a computer program that replaces what is on the screen with a moving image if the computer is not used for certain amount of time
A header is the top margin of each page, and a footer is the bottom margin of each page. Headers and footers are useful for including material that you want to appear on every page of a document such as your name, the title of the document, or page numbers
Explanation:
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