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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)*
Perform the following calculations assuming that all numbers are stored in 16-bit registers as 2's complement binary numbers with no overflow provision. Convert each of the numbers
Question: Q1) Write a code that asks the user for a positive integer, computes the square root of that integer, and return the result to the user. The computational error needs
What are bags and sequences? A bag is a collection of elements with duplicates permitted. A sequence is an ordered collection of elements with duplicates permitted.
Why a computer expect to receive responses when it broadcast an ARP request? Response will be acquired only from the machine for that request is being sent not for the other ma
Explain Circular Dependencies. Circular Dependencies: To know the problem of circular dependencies consider a file server which uses a timeserver to acquire the current
The chief reason why digital computers use complemented subtraction is that it ? Ans. By using complemented subtraction method negative numbers can easily be subtracted.
Control Signals from Control Bus: A number of the control signals are provided to control unit by the control bus. These signals are issued from outside the CPU. Some of these si
Explain FDM and show how CCITT standards help in building the base band? Frequency Division Multiplexing: This is the process of combining some information channels through s
What is an interface and what is an abstract class? Please, expand by examples of using both. Explain why. In a interface class, all methods are abstract without execution w
BIOS or Basic Input/Output System is the first program accessed by the processor during start up to make sure that all the other basic programs, hard drives, ports, peripherals and
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