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Develop a regular expression for Integer and Identifier
(i) A regular expression for integer is [+ | -] (d)+
(ii) A regular expression for identifier is l(l | d)*
Q. Introduction to the Operating System? An Operating system is software that creates a relation between the User, Hardware and Software. It is an interface between the all.
DOM is the Document Object Model (DOM) which is an interface specification handled by the W3C DOM Workgroup that explains an application independent mechanism to access, parse, or
Define main memory and auxiliary memory? The memory unit that communicates directly with the cpu is known as main memory [RAM].Devices that give backup storage are known as aux
Explain MDR and MAR. The data and address lines of the external memory bus linked to the internal processor bus by the memory data register, MDR and the memory address register
Explain the Trackball and Thumbwheel devices Joysticks A joystick consists of a small, vertical lever (called the stick) mounted on a base that is used to steer the screen
c program
usability of union
An analog information signal, whose maximum frequency is 6000Hz, is to be transmitted using a PCM system. The quantization error must not exceed the ±1 % of the peak-topeak analog
What is Functional Modelling We know that Data flow modelling is an ordinary technique used for analysis of a problem in software engineering. It is very useful for analyzi
Explain the mechanidm of the rusting of iron on the basis of electrochemical corrosion?
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