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Hard disk is the important component in computer system as data storage device. It is being used to store large amount of information in all modern computers. Disk performance can be improved by incorporating disk scheduling optimization for satisfy pending request in the disk queue. Operating system, being the interface between the user and the hardware, has the responsibility to use hardware efficiently...
The passwords are the keys you are using to access personal information that youpsilave stored on your computer and in your online accounts. A strong password should appear to be a random string of characters. Online accounts, computer files, and personal information are more secure when you use strong passwords to help protect them. Unfortunately, it is hard to create easy to use, strong passwords...
GSM (global system for mobile communication) uses a centralized, standalone network database referred to as HLR (home location register). Each of the HLRs occurs in pairs (primary and mated). This paper presents a solution to the problem of mismatches within a pair of HLRpsilas that can happen due to non perfect operations, such as provisioning process carried out by GSM operators. An efficient solution...
This research develops a fuzzy based algorithm for microchip image lead Inspection. Leads are inspected for count, planarity, offset, pitch and span defects. Firstly, it utilizes fast preprocessing techniques and blobspsila features extraction methods to achieve high inspection rates. Using the features extracted, the algorithm first finds a proper thresholding value. It then applies fuzzy logic to...
The key to multiprogramming is scheduling. Multiprogramming enables an operating system to use its resources more efficiently. When the system has a range of processes to execute, it must also have a policy to decide which process to run at a given time. This policy should attempt to maximize throughput, minimize latency, prevent process starvation etc. There are many techniques that are nowadays...
The typical optical character recognition (OCR) systems, regardless the character's nature, are based mainly on three stages, preprocessing, features extraction and discrimination (recognizer). Each stage has its own problems and effects on the system efficiency such as time consuming and recognition errors. In order to avoid these difficulties this research paper presents new construction of OCR...
The characteristics of the Arabic character (handwritten or printed) make great challenge in the field of automatic optical character recognition OCR in terms of accuracy and recognition rate. This paper provides a comprehensive review of the latest techniques and methods have been proposed and their results. The characteristics of the handwriting Arabic characters are also discussed in more detail...
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