Vedic-Based Squarers with High Performance

Squaring operation represents a vital operation in various applications involving image processing, rectangular to polar coordinate conversion, and many other applications. For its importance, a novel design for a 6-bit squarer basing on the Vedic multiplier (VM) is offered in this work. The squarer design utilizes dedicated 3-bit squarer modules, a (3*3) VM, and an improved Brent-Kung Carry-Select Adder (IBK-CSLA) with the amended design of XOR gate to perform fast partial-products addition. The 6-bit squarer circuit can readily be expanded for larger sizes such as 12-bit and 24-bit numbers which are useful for squaring the mantissa part of  32-bit floating-point numbers. The paper also offers three architectures for 24- bit squarer using pipelining concept used in various stages. All these squaring circuits are designed in VHDL and implemented by Xilinx ISE13.2 and FPGA. The synthesis results reveal that the offered 6-bit, 12- bit, and 24- bit squarer circuits introduce eminent outcomes in terms of delay and area when utilizing IBK-CSLA with amended XOR gate. Also, it is found that the three architectures of 24- bit squarer present dissimilar delay and area, and the architecture design based on 3-bit squarer modules with  (3*3) VM introduces the lowest area and delay

Physicians Perspective Towards Impaired Awareness of Hypoglycaemia in Patients With Diabetes: A Forgotten Area

Aim This study aims to assess knowledge, and practices of primary care physician in Saudi Arabia about IAH. Method: A cross-sectional study conducted using a newly designed self-administered questionnaire among 292 primary care physicians at three tertiary hospitals and primary care clinics in Riyadh, Saudi Arabia between December 2018 and June 2019. Results Of the participants, 59.9% of them had acceptable knowledge of IAH while only 40.1% had poor knowledge. Around half (46.2%) of physicians rated their familiarity with IAH as average or above average, and these had higher mean knowledge scores than participants who reported below average familiarity (mean 5.32 versus 4.39) (P = 0.000). Higher mean knowledge scores were found among physicians who have managed IAH patients than those who have not managed IAH patients (5.58 versus 5.01) (P = 0.019). The differences between physicians’ mean knowledge scores and their ages, levels of training, and years in practice were statistically significant. Conclusion: A considerable gap was established in the knowledge, awareness, and practice of IAH among physicians in Saudi Arabia. An effort is needed to implement extensive educational activities about impaired hypoglycemia awareness to be directed to primary care physicians and further research in this area is warranted

An adaptive multi-population artificial bee colony algorithm for dynamic optimisation problems

Recently, interest in solving real-world problems that change over the time, so called dynamic optimisation problems (DOPs), has grown due to their practical applications. A DOP requires an optimisation algorithm that can dynamically adapt to changes and several methodologies have been integrated with population-based algorithms to address these problems. Multi-population algorithms have been widely used, but it is hard to determine the number of populations to be used for a given problem. This paper proposes an adaptive multi-population artificial bee colony (ABC) algorithm for DOPs. ABC is a simple, yet efficient, nature inspired algorithm for addressing numerical optimisation, which has been successfully used for tackling other optimisation problems. The proposed ABC algorithm has the following features. Firstly it uses multi-populations to cope with dynamic changes, and a clearing scheme to maintain the diversity and enhance the exploration process. Secondly, the number of sub-populations changes over time, to adapt to changes in the search space. The moving peaks benchmark DOP is used to verify the performance of the proposed ABC. Experimental results show that the proposed ABC is superior to the ABC on all tested instances. Compared to state of the art methodologies, our proposed ABC algorithm produces very good results

Intellectual Disability and Epilepsy

This book also acknowledges that the impact on the person and on their carers always needs to be taken into account, with treatment programs established with a multi-faceted team approach in mind

Conductivity of cell membrane investigated by a novel dielectrophoretic technique

This article succeeded to introduce a new method, that mimics the radio broadcasting, used amplitude modulation to deliver the low range frequencies to the cell membrane. Consequently, avoiding the ACEO which prevents the measurement of DEP spectrum. In addition to the use of quinine and NBBP as ion channel blockers along with the modulated dielectrophoresis technique enabled the measurement of membrane conductivity providing a low cost method. © 2013 Trade Science Inc.-INDIA