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With technological advancements, the availability of low-cost smartphones and internet connectivity, the online retail industry has gained traction. A pandemic-related lockdown has fuelled the fire. Consequently, it becomes important to identify the factors defining online retail service quality (ORSQ), which affect customer satisfaction and customer engagement behaviour. First, a qualitative study was conducted to identify ORSQ factors and reliability, ease of use, customer-friendly policies, problem handling and security were found to be the most vital ones for Indian consumers. Further, a quantitative study was attempted to determine the impact of ORSQ factors on consumer satisfaction and customer engagement behaviour. While testing these relationships, website familiarity was considered as a moderating variable between ORSQ factors and customer satisfaction. The findings of the study suggest that the identified ORSQ factors influence customer satisfaction and customer engagement behaviour in turn. The moderating effect of website familiarity was also established on customer satisfaction. For the analysis, Smart PLS 3.0 was used.

Modern applications require hardware accelerators to maintain energy efficiency while satisfying the increasing computation requirements. However, with evolving standards and rapidly changing algorithmic complexity as well as rising design costs at advanced technology nodes, the iterative development of inflexible accelerators for such applications becomes ineffective. The reconfigurable architectures can provide a higher throughput and the required flexibility, but with substantial energy and area efficiency overhead relative to the accelerators. We develop a domain-specific, energy- and area-efficient (within 2× - 10× of accelerators) multiprogram runtime reconfigurable accelerator called the universal digital signal processor (UDSP). The design maximizes generality and resource utilization for signal processing and linear algebra with minimal area and energy penalty. The statistics-driven multilayer network minimizes the network delay and consists of an optimized switchbox design that maximizes the connectivity per hardware cost. The multilayered interconnect network is linearly scalable with the number of processing elements and allows for intradielet and multidielet scaling. The network features’ deterministic routing and timing for fast program compile and its translation and rotation symmetries allow for hardware resource reallocation. Multidielet scaling is enabled by energy-efficient, high-bandwidth, and high-density interdielet communication channels that seamlessly extend the intradielet routing network across the dielet boundaries using 10- $\mu \text{m}$ fine-pitch silicon interconnect fabric (Si-IF) interposer. A 2 × 2 multidielet UDSP on Si-IF can achieve a peak energy efficiency of 785 GMACs/J at 0.42 V and 315 MHz. The interdielet communication channel, SNR-10, provides a shoreline bandwidth density of 297 Gb/s/mm at 1.1 Gb/s/pin at 0.8 V and nominal energy efficiency of 0.38 pJ/bit.

In this paper eight element circular fractal antenna array is designed. The elements of this antenna array are separated by a distance λ/2. FR4 glass epoxy with 4.4 relative permittivity and 1.6 mm thickness is used as substrate material for the design of proposed antenna array. The resonant frequency of the proposed antenna array is taken as 4 GHz. Three iterations of the proposed fractal antenna array are designed and fabricated. It is found that as the iteration number increases, the gain of this array at resonant frequency increases and the beam-width decreases. The effects of various parameters on the performance of antenna array is analyzed using 3D electromagnetic simulator (HFSS) based on FEM method. Proposed fractal antenna array resonates at ten frequencies in the frequency range from 1 to 10 GHz. The values of reflection coefficient and the gain at all the resonant frequencies have acceptable values. The resonant frequency of fractal antenna array is also shifted towards the lower frequency from 3.91 to 3.80 GHz which reduces the size of fractal antenna array by 6% than the conventional antenna array. Proposed fractal antenna array covers the different wireless standards such as Wi-Max (3.5–3.8 GHz), C-band applications (3.8–4.4 GHz and 4.8–5.4 GHz), WLAN (5.15–5.85 GHz), X-band for satellite communication (7.1–7.76 GHz). The simulated and experimental results are found in good agreement with each other.

This paper presents the design of fractal antenna array with eight elements for multiband applications, such as WiMax (3.3–3.7 GHz), WLAN (4.82–5.95 GHz), X-band for satellite communication (7.1–7.76 GHz) and point-to-point (5.92–8.5 GHz) for high-speed wireless communication. Each element of array is separated by λ/2 distance. FR4 glass epoxy substrate with dielectric constant 4.4 and thickness of 1.6 mm is used for the designing of the proposed antenna array. ANSYS/ANSOFT HFSS V13 software is used for designing and simulating the proposed antenna. Different parameters like gain, radiation pattern and reflection coefficient are obtained at all frequencies in the range of 3 to 10 GHz. It is observed that the proposed antenna array works on eight different frequencies, whereas conventional antenna array works at seven frequencies. The three iterations of the proposed antenna array are fabricated and tested using VNA (vector network analyzer). The experimental and simulated results are compared, and both are in good agreement with each other. Measured results of the proposed antenna array are also compared with the results of antenna array present in the literature, and it is found that the proposed antenna array operates on eight frequency bands, whereas the antenna array in the literature operates on at most three frequency bands.

ASCVD/CVD Risk Factors

Over the years, there has been a revolutionary and steep gain in the interest of veganism. Nowadays, social media has become an integral element in people's lives. Users are spending more time on these platforms than before. Given the tremendous power of social media influencers on consumers and their impact on eating habits, their influence on converting consumers to veganism is intended to be studied. This work evaluates the behavior of online users in connection with their social media followings, measured through hashtag followings, and eventually compared through a community analysis.

The automobile industry, on one hand, is facing stiff global competition in light of all major US, European and Asian car manufacturers entering at different price points in the Indian market while the other end is witness of customers becoming discerning and discriminately strong in demanding quality and value for money. Hence the entire rule of the game pivots around the scopic perspectives of quality management systems in the organizations. The present study has been undertaken to evaluate the performance of selected four passenger car companies with regard to their pursuit to Total Quality Management(TQM) at input level i.e. Vendor Control and Control of Purchased Material. The paper unfolds performance of these players on selected dimensions and concludes with the fact that wide scope is still available for reaching to the global vistas.