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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.
COMPUTER INPUT: Figure shows input information for a typical airborne digital computer. The sensors in Figure develop analogue electrical signals representing: -
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A STAIRCASE LIGHT IS CONTROLLED BY TWO SWITCHES ONE AT THE TOP OF THE STAIRS AND ANOTHER AT THE BOTTOM OF STAIRS
QUESTION (a) Describe what you understand by (i) "openness" and (ii) "Scalability" of a distributed system (b)What is the role of middleware in a distributed system? (c)
Write a program that lets the user play the game Rock, Paper, Scissors against the computer. The program should work as follows: ? When the program begins, the results of the prev
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
General Considerations for Search If we can specify the first state, the operators and the goal check for a look for difficulty, then we know where to create, how to move and w
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A procedure is a compilation of instructions to which we can express the flow of our program, and once the execution of these instructions is over power is given back to the next l
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