Development of large computerized systems requires both combinational and sequential circuits. Registers and counters are two important examples of sequential circuits, which are widely used in practical applications like CPUs. The basic element of sequential logic is Flip-Flop, which stores an input value and returns two outputs (Q and Q ). This paper presents an innovative ternary D Flip-Flap...

A polyhedral subdivision of a d-dimensional point configuration A is k-regular if it is projected from the boundary complex of a polytope with dimension at most d+k. Call γk(A) the subgraph induced by k-regular triangulations in the flip-graph of A. Gel’fand, Kapranov, and Zelevinsky have shown that γ1(A) is connected. It is established here that γ2(A) is connected as well. 1. Flip-graph connec...

In this paper a full transient 3-D CFD model of a complete single piston compressor system along with dynamic inlet and outlet port flip valves is presented. The model includes the motion of the cam driven piston, and also predicts the motion of the dynamic flip valves. All activities related to model creation, simulation and postprocessing were performed within the simulation software Simerics...

This paper compares retrospective and prospective analyses of the effect of flip charts on test scores in rural Kenyan schools. Retrospective estimates suggest that flip charts raise test scores by up to 20% of a standard deviation. Yet prospective estimators based on a randomized trial provide no evidence that flip charts increase test scores. One interpretation is that the retrospective resul...

In this paper, a low power single edge triggered D flip-flop is presented by using True Single Phase Clocked technique (TSPC). The proposed design overcomes the problem of race condition at the output caused by clock pulses. This technique uses single phase clock pulse and it has less number of transistors. All the circuits are designed and simulated using Cadence® Virtuoso® Design Environment ...

Z d where sites flip, independently of each other, between blocking and nonblocking states, and the contact process is restricted to live in the space given by nonblocked sites. We give a partial description of the phase diagram of the process, showing in particular that, depending on the flip rates of the environment, survival of the contact process may or may not be possible for large values ...

Abstract – Presented below is an interesting type of associative memory called toggle memory based on the concept of T flip flops, as opposed to D flip flops. Toggle memory supports both reversible programming and charge recovery. Circuits designed using the principles delineated below permit matchlines to charge and discharge with near zero energy dissipation. The resulting lethargy is compens...

Approximation algorithms are developed for the diagonalflip transformation of convex polygon triangulations and equivalently rotation transformation of binary trees. For two arbitrary triangulations in which each vertex is an end of at most d diagonals, Algorithm A has the approximation ratio 2− 2 4(d−1)(d+6)+1 . For triangulations containing no internal triangles, Algorithm B has the approxima...

A three-valued D-flip-flop (D-FF) circuit and a two-stage shift register built from InGaAs-based multiple-junction surface tunnel transistors (MJSTT) and Si-based metal-oxide-semiconductor field effect transistors (MOSFET) have been demonstrated. Due to the combination of the MJSTTs latching function and the MOSFETs switching function, the number of devices required for the D-FF circuit was gre...

Digital circuit design is streamlined process used to improve the performance of a circuit for a particular application. Fast speed, minimum power dissipation and less area are the desirable characteristics of a digital circuit, in general. To meet a particular standard of speed, a compromise in power dissipation and speed is required. Timing elements such as Flip-flop are used as clock generat...