Lafifa Jamal

University of Dhaka · Department of Robotics and Mechatronics Engineering

Reversible shift registers are required to construct reversible memory circuits. This paper presents novel designs of reversible shift registers such as serial-in serial-out (SISO), serial-in parallel-out (SIPO), parallel-in serial-out (PISO), parallel-in parallel-out (PIPO) and universal shift registers. In order to show the efficiency, lower boun...

In nanophotonics, nanohole arrays (NHAs) are periodic arrangements of nanoscale apertures in thin films, offering versatile optical functionalities essential for various applications. Fully exploring NHAs' optical properties and optimizing performance...

There is nearly equal number of male and female student enrolments in primary and secondary level of education in Bangladesh, but at the tertiary level and at the job sector, a sharp drop in the number of women is observed. This paper explores the current status of female STEM enrolments in the tertiary education system in Bangladesh, followed by e...

The software engineering community is realising that diversity plays a key role to the creation of a successful and competitive context for software development and research. Such diversity refers to the combination many aspects such as gender, culture, religion and geographical distribution. The purpose of this workshop is to discuss with software...

This paper introduces an elderly exercise evaluation system. To determine the quality of a performed exercise, the authors propose a novel system to generate and use Spatio-Temporal Polychromatic Trajectory (STPT) images. Usually, the elder people need to perform some exercises or take physiotherapy in order to stay healthy both physically and ment...

This paper introduces an IoT based medicine consumption which enables the elderly person to take the right medicine at the right time. Usually elder people need to take medicine several times daily. And there is a high chance to forget the medication time. Sometimes they also struggle to remember the name of the medicine. Our system tackles this pr...

The BCD (Binary Coded Decimal) being the more accurate and human-readable representation with ease of conversion, is prevailing in the computing and electronic communication.In this paper, a tree-structured parallel BCD addition algorithm is proposed with the reduced time complexity. BCD adder is more effective with a LUT (Look-Up Table)-based desi...

There is nearly equal number of male and female student enrollments in primary and secondary level of education in Bangladesh, but at the tertiary level and at the job sector, a sharp drop in the number of women is observed. This paper explores the current status of female students’ enrollment in science, technology, engineering, and mathematics (S...

The outbreak of the COVID-19 pandemic is unarguably the biggest catastrophe of the 21st century, probably the most significant global crisis after the second world war. The rapid spreading capability of the virus has compelled the world population to maintain strict preventive measures. The outrage of the virus has rampaged through the healthcare s...

Research in Activity Recognition is one of the thriving areas in the field of computer vision. This development comes into existence by introducing the skeleton-based architectures for action recognition and related research areas. By advancing the research into real-time scenarios, practitioners find it fascinating and challenging to work on human...

The result of an adsorption experiment indicated that the pure magadiite (MAG) and the modified MAG via cetyltrimethylammonium-bromide (CTAB-MAG) possessed pronounced affinity to the Rhodamine-B (Rh-B) dye molecules. CTAB-MAG was synthesized with an ion-exchange method between MAG and cetyltrimethylammonium-bromide (CTAB) in an aqueous solution. Th...

Recommender system is an approach where users get suggestions based on their previous preferences. Nowadays, people are overwhelmed by the huge amount of information that is being present in any system. Sometimes, it is difficult for a user to find an appropriate item by searching the desired content. Recommender system assists users by providing s...

Recently, quantum-dot cellular automata (QCA) based reversible logic circuit has an enormous benefit over CMOS based logic circuit. As a promising technology for Nanoelectronics computing, reversible-QCA has gained more and more attention from researchers around the world. In this paper, we implemented a reversible authenticator circuit based on QC...

The magadiite–magnetite (MAG–Fe3O4) nanocomposite has great potential applications in the field of biomaterials research. It has been used as a novel magnetic sorbent, prepared by co-precipitation method. It has the dual advantage of having the magnetism of Fe3O4 and the high adsorption capacity of pure magadiite (MAG). MAG–Fe3O4 was characterized...

The objective of this paper is to deal with the design of a pilot-scale submerged membrane bioreactor (MBR) and a short-term functionality test to be performed with textile wastewater. The design calculations were done based on the design parameters analysed from local textile wastewater and typical values of activated sludge kinetic coefficients....

p>Conventional logic dissipates more power by losing bits of information whereas reversibility recovers bit loss from the unique input-output mapping. This paper presents the design of a reversible fault tolerant booth multiplier which can multiply both signed and unsigned numbers. The proposed circuit tolerant designed using only fault tolerant re...

Reversible logic has captured significant attention in recent time for its reduced power consumption property which is one of the main concerns of digital logic design. Reprogram ability, higher speed, higher density, non-recurring engineering (NRE) costs, massive parallel operations and many other favoring factors have made prominent use of the Fi...

The Binary Coded Decimal (BCD) being the more accurate and human-readable representation with ease of conversion, is prevailing in the computing and electronic communication. In this paper, a tree-structured parallel BCD addition algorithm is proposed with the reduced time complexity O (N (log2 b)+(N− 1)), where N= number of digits and b= number of...

Reversible logic has captured significant attention in recent times for its reduced power consumption property which is one of the main concerns of digital logic design. Reprogram ability, higher speed, higher density, non-recurring engineering (NRE) costs, massive parallel operations and many other favoring factors have made prominent use of the F...

Reversibility of logic module has eminent application in low power CMOS design, quantum computing, nanotechnology, and optical computing. On the other hand, configurability of PLDs (Programmable Logic Devices) reduces NRE (Non-recurring engineering) costs and makes a faster design process that offers customers a wide range of logic capacity, featur...

Reversibility of logic module has eminent application in low power CMOS design, quantum computing, nanotechnology and optical computing. On the other hand, configurability of PLDs (Programmable Logic Devices) reduces NRE (Nonrecurring engineering) cost and makes faster design process that offers customer a wide range of logic capacity, features, sp...

Energy conservative devices are the need of the modern technology which leads to the development of reversible logic. The synthesis of reversible logic has become an intensely studied area as it overcomes the problem of power dissipation associated with irreversibility. Storage device such as Read-Only-Memory (ROM) can be realized in a reversible w...

This work addresses the reversible circuit design using novel modularization approach by presenting architecture of a logically reversible processor based on the Von Neumann architecture that can operate with very low power consumption, protection of power analysis attack and long span of life due to less heat dissipation. The organization and arch...

Power saving circuits are the need of the modern technology which can be achieved by using reversible logic. In this paper, we propose an efficient design of a reversible n × n signed multiplier circuit, where n is the number of bits of each operand of the multiplier. We propose a novel architecture of a generalized reversible compressor to reduce...

Reversible logic has captured significant attention in recent time as reducing power consumption is the main concern of digital logic design. It consumes less power by recovering bit loss from its unique input–output mapping. In this study, the authors propose a reversible low power n-bit binary comparator. An algorithm is presented for constructin...

Reversible logic has captured significant attention in recent time as reducing power consumption is one of the main concern of digital logic design. It consumes less power by recovering bit loss from its unique input–output mapping. In this paper, we propose a reversible control unit, which is first ever proposed in literature. Two new 4 × 4 revers...

One of the most challenging issues in circuit design is power consumption. Reversible logic is one of the ways for power optimization. In this paper, we propose an optimal design of a fault tolerant reversible n×n multiplier circuit, where n is the number of bits of the operands of multiplier. Two algorithms have been presented to construct the Par...

Reversible logic has captured significant attention in recent time as reducing power consumption is the main concern of digital logic design. It consumes less power by recovering bit loss from its unique input-output mapping. This paper presents the design of an optimal reversible fault tolerant carry look-ahead adder. We present an algorithm to de...

In this paper, we propose a reversible n-bit divider, where n is the number of bits of the operands of dividend. Two approaches for constructing a compact reversible divider have been presented here. The first approach uses conventional division array and the second approach uses high speed division array. Both of the approaches can handle floating...

This paper demonstrates reversible logic synthesis for (n, k) unidirectional logarithmic barrel shifters, where n is the number of data bits and k=log2n. The circuits are designed using only reversible fault tolerant Fredkin gates. Thus, the entire scheme inherently becomes fault tolerant. Several lower bounds on the numbers of garbage outputs and...

Reversible computing dissipates zero energy in terms of information loss at input and also it can detect error of circuit by keeping unique input-output mapping. In this paper, we have proposed a cost effective design of Reversible Programmable Logic Arrays (RPLAs) which is able to realize multi-output ESOP (Exclusive-OR Sum-Of-Product) functions b...

Conventional logic dissipates more power by losing bits of information whereas reversibility recovers bit loss from the unique input-output mapping. Reversible Computation has high promise oflow power consumption. In this paper, we have proposed a new 4x4 reversible gate (namely BJ gate) which is used to design reversible J-K flip-flop. We have als...

Conventional logic dissipates more power by losing bits of information whereas reversible circuitry recovers from bit loss through unique mapping between input and output vectors. In this regard, reversible or information lossless logic has become an immensely promising technology not only in low power CMOS design and nano-technology based system,...

In recent years, reversible logic has emerged as a promising computing paradigm having application in low power CMOS, quantum computing and error detecting. Reversible computing dissipates zero energy in terms of information loss and also it can detect error of circuit by keeping unique input-output mapping. In this paper, we have proposed a regula...

In this paper, DNA-based Toffoli gate has been modeled using the formation of DNA characteristics. After that, the logics of the basic (AND, OR, NOT) gates and EX-OR gates have been realized using our DNA-based Tofffoli gate. The proposed DNA-based Tofolli gate is faster due to parallelism and replication properties of DNA strands. The proposed gat...

In this paper, DNA-based Toffoli gate has been modeled using the formation of DNA characteristics. After that, the logics of the basic (AND, OR, NOT) gates and EX-OR gates have been realized using our DNA-based Tofffoli gate. The proposed DNA-based Tofolli gate is faster due to parallelism and replication properties of DNA strands. The proposed gat...

In this paper, we have implemented and designed a sorting network for reversible logic circuits synthesis in terms of n*n Toffoli gates. The algorithm presented in this paper constructs a Toffoli Network based on swapping bit strings. Reduction rules are then applied by simple template matching and removing useless gates from the network. Random se...

This paper presents a novel design of sequential division circuit using reversible logic, which is a promising research area nowadays. The proposed hardware has its application in the design of reversible arithmetic logic unit. In order to show the efficiency, lower bounds of the proposed design are shown in terms of number of gates required, garba...

Mobile agent offers a new programming paradigm in which a program can move from one node to another node in a network. Since data as well as code move at the same time, security issue becomes more important than traditional RPC system. To overcome the security hurdles, this paper presents a new model based on existing Aglets architecture. A new ser...

Problem Statement: Arithmetic Logic Unit (ALU) of a crypto-processor and microchips leak information through power consumption. Although the cryptographic protocols are secured against mathematical attacks, the attackers can break the encryption by measuring the energyconsumption. Approach: To thwart attacks, this study proposed the use of reversib...