A percentile is one of the measures of location used by statisticians showing the value below which a given percentage of observations in a group of observations fall. A family of ratio-cum-product estimators for estimating the finite population mean of the study variable when th...
Open access
Research Article10.9734/ajrcos/2020/v6i130152
The short circuit current of the equipment must be carefully calculated. If it is not effective to isolate the fault point, while the system is abnormal. That will leads to prolonged fault time and the instability of power system. The calculation process is very so complicated th...
Open access
Research Article10.9734/ajrcos/2020/v6i130150
For computer vision systems to effectively perform diagnoses, identification, tracking, monitoring and surveillance, image data must be devoid of noise. Various types of noises such as Salt-and-pepper or Impulse, Gaussian, Shot, Quantization, Anisotropic, and Periodic noises corr...
Open access
Research Article10.9734/ajrcos/2020/v6i130149
The enormity of software piracy varies in different countries and Nigeria is not an exception. Software piracy occurs in diverse forms such as soft lifting, hard disk loading, counterfeiting and unauthorized renting. Many reasons are behind software piracy. Software piracy has ma...
Open access
Research Article10.9734/ajrcos/2020/v6i130148
The problems of energy usage wastage, conservation and optimization has always been there. Most significantly in third world countries with a high level of improper energy resource management. The world has become a global village and tending toward the transformational use of te...
Open access
Research Article10.9734/ajrcos/2020/v5i430147
The increasing rate of hospital admission led to increased volume of both municipal and biohazard wastes. The fourth industrial revolution opens up new perspectives to improve the conventional processes of hospitals and other institutions of health care systems. The application o...
Open access
Research Article10.9734/ajrcos/2020/v5i430142
COVID-19 disease came to earth in December 2019 in Wuhan. It is increasing exponentially throughout the world and affected an enormous number of human beings. The World Health Organization (WHO) on March 11, 2020 declared COVID-19 was characterized as “Pandemic”. Clinical Doctors...
Open access
Research Article10.9734/ajrcos/2020/v5i430141
Restaurant industry has become one of the most profitable industries in the world where incessant long waiting time may not only lead to customers’ dissatisfactions but also facilitate loosing of customers to other competitors. In this paper, in order to determine customers’ arri...
Open access
Research Article10.9734/ajrcos/2020/v5i430140
Inventory procurement is one of the most important aspects of the supply chain. This aspect is supported by specific numerical techniques to determine the optimal lot sizes to ensure prompt supply without increasing operational costs for retailers and providers. However, the prac...
Open access
Research Article10.9734/ajrcos/2020/v5i330144
Aim: The concept of research/project archiving revolves around access to and storage of past works. With the increase in technology, several universities have incorporated the use of electronic archive systems to store research works to provide easy access to such works and impro...
Open access
Research Article10.9734/ajrcos/2020/v5i330139
Nowadays security became a major global issue. To manage the security issue and its risk, different kinds of biometric authentication are available. Face recognition is one of the most significant processes in this system. Since the face is the most important part of the body so...
Open access
Research Article10.9734/ajrcos/2020/v5i330146
Campus placement is a measure of students’ performance in a course. A forecasting method is proposed in this paper to predict possible campus placement of any institution. Data mining and knowledge discovery processes on academic career of students are applied. Supervised machine...
Open access
Research Article10.9734/ajrcos/2020/v5i430138
Inbound call centres are centralized offices which are operated by modern organizations to administer incoming product supports or information inquiries from consumers. In this paper, a model for an inbound call centre, which is characterized by agent utilization and call abandon...
Open access
Research Article10.9734/ajrcos/2020/v5i330137
Despite significant research efforts for School Timetabling Problem (STP) and other timetabling problems, an effective solution approach (model and algorithm) which provides boundless use and high quality solution has not been developed. Hence, this paper presents a novel solutio...
Open access
Research Article10.9734/ajrcos/2020/v5i330136
Banks and financial institutions all over the world have adopted and continue to adopt Automated Teller Machine (ATM) systems into their transactions to extend banking hours, and also provide convenience for their customers. ATM systems are networked computerized systems, and as...
Open access
Research Article10.9734/ajrcos/2020/v5i330135