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Trap doors: This is a way of bypassing normal authentication procedure (windows/ operating system user name and password) to access a system. Once a system is compromised (impacted by) by malware, one or more backdoors may be installed for easier future access to the system.
Logic Bombs/ Time Bombs:
Logic Bombs are not programs in their own right but rather camouflaged segments of other programs. They are not considered viruses because they do not replicate. But their objective is to destroy data on the computer once certain conditions have been met. Logic bombs go undetected until launched, and the results can be destructive. For example, some malicious programs are sot off during days such as April Fools Day or Friday the 13th.
Question (a) What is a view? (b) Can we use a view to insert or update a record into a table? Do we have any limitation to perform the above command? (c) The syntax to cr
Chat: The word chat in English language means - casual conversation. On Internet it means the same, except that you need to use text and your keyboard skills are tested. Earli
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They are used to act upon logic operations on the operators. AND OR, NEG NOT TEST XOR AND INSTRUCTION Function: It acts upon the conjunction of the operators bit by bit. Syntax: A
role of an system analyst as an innovator
Objectives When you have completed all the work in this unit you should be able to: List the basic components of a personal computer system, 1. describe the use of comput
Function: The purpose of a function is to take in a number of values or arguments, do some calculations with those arguments and then return a single result. Each language has d
Create Email Account: For sending or receiving email, you need to have to an email account. The email account may be provided by the organization for which you are working or
User-level threads apply in user-level libraries, before via systems calls, so thread switching does not require to call operating system and to cause interrupt to the kernel. Actu
Question 1 What is a desktop? Explain the Windows XP desktop? 2 How does a flash drive work? 3 Write the procedure for creating Macro 4 Explain the process of applyin
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