and digital signals, Digital Signal Level Zero (DS0), broadband, baseband, multiplexing, and Digital Signal Hierarchy (DSH). Distinguish between circuit switching and packet switching, and identify various circuit-switching and packet-switching technologies. Describe the characteristics and performance of dial-up connections, including POTS and Integrated Services Digital Network (ISDN). Describe the characteristics and performance of direct connections, including leased T-carrier and E-carrier lines
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likely include some components based on Asynchronous Transfer Mode (ATM), as well as existing network technologies. This environment produces the possibility of using one of the strengths of ATM (namely, quality-of-service guarantees) to improve the performance of Internet traffic. In this report, we document some of our work in progress on the use of performance-guaranteed ATM virtual circuits to carry IP datagrams. We are currently addressing the implications of various IP-over-ATM strategies
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International Journal of Advances in Engineering & Technology, May 2011. ©IJAET ISSN: 2231-1963 STRATEGIES & METHODOLOGIES FOR LOW POWER VLSI DESIGNS: A REVIEW Kanika Kaur1 and Arti Noor2 1 2 KIIT College of Engineering, Gurgaon, India kanika.kiit@gmail.com artinoor@cdacnoida.in Centre for Development of Advanced Computing, Noida, India, Abstract Low power has emerged as a principal theme in today’s world of electronics industries. Power dissipation has become an important consideration
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com† , vsprakash@uh.edu‡ , jbao@central.uh.edu+ ,wshi3@central.uh.edu† Department of Computer Science† ,Department of Electrical and Computer Engineering+ University of Houston, 4800 Calhoun Road, Houston, TX 77004, U.S.A Abstract—In today’s technology driven world, it is essential to build secure systems with low faulty behavior. Authentication is one of the primary means to gain access to secure systems. Users need to be authenticated in order to gain access to the services and sensitive information
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Bachelor of Science in Information Technology (BScIT) – Semester 1/ Diploma in Information Technology (DIT) – Semester 1 BT0064 – Digital Logic ------------------------------------------------- Assignment Set – 1 Q1. Convert the following octal numbers to base 10 a. 273 Answer: 187 b. 1021 Answer: 529 Q2. What is a logic gate? Answer: When we deal with logical circuits (as in computers), we not only need to deal with logical functions; we also need some special symbols
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usually screwed to the case along its largest face, which could be the bottom or the side of the case depending on the form factor and orientation. * Form factors such as ATX provide a back panel with cut-out holes to expose I/O ports provided by integrated peripherals, as well as expansion slots which may optionally expose additional ports provided by expansion cards. * The power supply unit is often housed at the top rear of the case; it is usually attached with four screws
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the file to the 3D printer (3D Printing, n.d.). The printer then slices the object into layers which are then used to print out the object. 3D printers were initially known as rapid prototyping technology as they emerged into the manufacturing industry in the early 1980’s. Little was known about this technology but it was promising because as an additive manufacturing technique, it reduced lead time. The lead time is the time between the ordering and the getting of a product by the consumer (Definition
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A digital signal is a physical signal that is a representation of a sequence of discrete values (a quantified discrete-time signal), for example of an arbitrary bit stream, or of a digitized (sampled and analog-to-digital converted) analog signal. The term digital signal can refer to either of the following: any continuous-time waveform signal used in digital communication, representing a bit stream or other sequence of discrete values a pulse train signal that switches between a discrete number
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IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 47, NO. 7, JULY 2012 1585 A 53-nW 9.1-ENOB 1-kS/s SAR ADC in 0.13- m CMOS for Medical Implant Devices Dai Zhang, Student Member, IEEE, Ameya Bhide, Student Member, IEEE, and Atila Alvandpour, Senior Member, IEEE Abstract—This paper describes an ultra-low power SAR ADC for medical implant devices. To achieve the nano-watt range power consumption, an ultra-low power design strategy has been utilized, imposing maximum simplicity on the ADC architecture
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RFID SECURITY February 2008 © The Government of the Hong Kong Special Administrative Region The contents of this document remain the property of, and may not be reproduced in whole or in part without the express permission of the Government of the HKSAR. Disclaimer: Whilst the Government endeavours to ensure the accuracy of the information in this paper, no express or implied warranty is given by the Government as to the accuracy of the information. The Government of HKSAR accepts
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