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It is a self-replicating program that infects computer and spreads by inserting copies of itself into other executable code or documents.

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Important Questions on Computer and Internet Basics

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Which of the following refers to the unauthorized copying and distribution of software?
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Single-word reference to viruses, worms etc., is called:
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Which of the following protects the computer from the hackers?
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Which of the following is an electronic or paper log used to track computer activities?

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How many terabytes make one petabyte?
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Decreasing the amount of space required to store data and programs is accomplished by_____.
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Verification of login name and password is known as:
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Data duplication wastes the space, but also promotes a more serious problem called _____.
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A ______ is a software program that travels the web locating and indexing websites for search engines.
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A ______ is a computer programme which can self-replicate and propagate over the network with or without human intervention and has malicious intent.
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A _____ is an ordered list in which all insertions and deletions are made at one end.
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Image file can be sent along with the email documents using _____.
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A _____ is defined as a collection of related data in an organised way.
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_____are often delivered to a PC through an email attachment and are often designed to do harm.
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A message that tries to trick a person into providing information such as his social security number, bank account information or login username and password for a website is a type of malware called:
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_____ means that the data contained in a database is accurate and reliable.
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In a relational schema, each tuple is divided into fields called:
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A vulnerability scanner is _____.
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Which is essentially a business problem, not a data problem?
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Grouping and processing all of a firm's transactions at one time is called________.