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Explain about the viruses in detail
Note 1: Viruses don't just infect computers, they may also affect mobile phones, MP3 players etc. - any device that can download files from a source such as internet is potentially at risk.
Note 2: Backing up may allow files which have become corrupted/lost (because of hacking or viruses) to be reinstated; though, this wouldn't recover the system nor would it prevent viruses/hacking affecting a system in the first place.
Note 3: Other problems like spam, pop ups, cookies, etc. are more of a nuisance (albeit they can considerably slow down operation of a computer system) and can be made inactive or blocked (as they can become active without user's knowledge) using appropriate software.
projections
Q. Show the ranges of Port numbers? Port numbers are divided into three ranges: Well-known ports are those from 0 through 1,023. Registered ports are those from
What is meant by concurrent execution of database transactions in a multi user system
Q. VLSI Implementation of Control Unit? A main potential advantage of RISC is VLSI implementation of microprocessor. VLSI Technology has decreased the delays of transfer of inf
Scenarios encapsulate the Vuser Groups and scripts to be implemented on load generators at run-time. Manual scenarios can deal out the total number of Vusers between scripts bas
What is a Diagonalization language LD? The diagonalization language having of all strings w such that the TM whose code is w does not accept when w is given as in
Recognition of basic syntactic constructs through reductions, this task is performed by? By Syntax analysis, recognition of fundamental syntactic constructs through reductions
A shell is a program that presents an interface to several operating system functions and services. The shell is so called because it is an outer layer of interface among the user
What is reduction? A reduction is a way of changing one problem into another in such a way that a solution to the second problem can be used to explain the first problem.
Q. Describe about full adder? Let's take full adder. For this other variable carry from previous bit addition is added let'us call it 'p'. Truth table and K-Map for this is dis
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