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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.
Coaxial Cables: Another metallic transmission medium which offers a large bandwidth, is the coaxial cable. Such cables consist of an outer protective shell made of copper tube
Computer Help Inc. is a computer timesharing, and software development and sales company. It has been successful in attracting clients for both sides of its business. Staff count
1. In each of the following situations, indicate whether f = O(g), or f = O(g), or both (in which case f = T(g)). Briefly explain why. (a) f(n)=10n5 +8n2,g(n)=20n4 +7n3 +300 (b) f
Analog Transmission: In analog transmission, there is a continuous up and down pattern. For example, one wave constitutes one cycle, which is measured in the unit called Hertz
Digital Transmission: In digital transmission, wave patterns are translated into discrete bits and are separated by intervals. Bits (contraction for binary digits) are the sma
write a c program of minimum shelf
In this program, you are going to write a program for playing the game of Hangman. In this game, the computer will pick a word and display a sequence of blanks to be filled in; one
Question 1 Briefly explain the classification of the computers Question 2 What is arithmetic logic unit? How it is helpful in CPU? Question 3 How do you install a
Digital Video Disks: DVD stands for Digital Video Disks or Digital Versatile Disks. A DVD stores much more data than a CD-ROM. Its capacities are 4.7GB, 8.5GB, and 20GB etc. T
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