Hard ware

Xem 1-11 trên 11 kết quả Hard ware
  • Cấu trúc một hệ thống PLC ti êu chuẩn: Theo tiêu chuẩn chung bất cứ hệ thống PLC n ào cũng gồm 3 phần: •Phần cứng / Hard Ware. •Firmware. •Phần mềm / Software. Nguyên lý làm việc của một PLC 3.2 Phần cứng PLC: 3.2.1 Thành phần: Cấu trúc cơ bàn (nguyên thuỷ) của một PLC bao gồm: Rack. Power Module. CPU. Các Module chức năng. Ngoài ra có các biến thể khác của cấu trúc PLC nh ư Brick PLC hay “All in one PLC” (Các Micro PLC thư ờng ở dạng này). 3.2.1.

    pdf11p nguyenthi35 22-08-2012 276 141   Download

  • Introduction to Routing and Packet Forwarding. Objectives: Identify a router as a computer with an OS and hard ware designed for the routing process. Demonstrate the ability to configure devices and apply addresses. Describe the structure of a routing table. Describe how a router determines a path and switches packets.

    pdf100p thanhtung_hk 05-11-2010 97 32   Download

  • The industrial evidence is that for many control problems, particularly those of the process industries, theProportional,IntegralandDerivative(PID)controller is themaincontroltoolbeingused.Forthese industrial problems, the PID control module is a building block which provides the regulation and disturbance rejection for single loop, cascade, multi-loop and multi-input multi-output control schemes.

    pdf558p namde01 11-04-2013 36 22   Download

  • Công suất tiêu thụ điện của màn hình Hỏi: Tôi muốn khuyên các nhân viên của tôi hãy tắt các màn hình máy tính khi về đêm. Lý do cho là vì tôi nghĩ sẽ rất nhiều năng lượng điện bị tiêu thụ một cách lãng phí khi chúng ta rời màn hình đến 16 giờ đồng hồ trong một ngày, tuy nhiên xin hỏi quý báo rằng lượng tiền lãng phí này liệu có thể tính được ra con số cụ thể không? Trả lời: Sự tiêu tốn công suất dường như đều trở thành vấn đề quan tâm của...

    pdf4p hangkute_1 27-07-2010 142 13   Download

  • The computer magazine, the hard ware and software of the computer. PCWorld is a global computer magazine published monthly by IDG.[2] It offers advice on various aspects of PCs and related items, the Internet, and other personal-technology products and services. In each publication, PCWorld reviews and tests...

    pdf100p stumble 25-05-2009 85 7   Download

  • Hidden malicious circuits provide an attacker with a stealthy attack vector. As they occupy a layer below the entire software stack, malicious circuits can bypass tra- ditional defensive techniques. Yet current work on trojan circuits considers only simple attacks against the hard- ware itself, and straightforward defenses. More complex designs that attack the software are unexplored, as are the countermeasures an attacker may take to bypass pro- posed defenses. We present the design and implementation of Illinois Malicious Processors (IMPs).

    pdf21p nhacsihuytuan 06-04-2013 21 4   Download

  • Our infrastructure (Akash1 ) consists of a virtual storage system prototype designed to run on commodity hard- ware. It supports data accesses to multiple virtual vol- umes for any storage client, such as, database servers and file systems. It uses the Network Block Device (NBD) driver packaged with Linux to read and write log- ical blocks from the virtual storage system, as shown in Figure 3. NBD is a standard storage access proto- col similar to iSCSI, supported by Linux. It provides a method to communicate with a storage server over the network.

    pdf12p yasuyidol 02-04-2013 19 3   Download

  • The computer magazine, the hard ware and software of the computer.

    pdf49p stumble 25-05-2009 70 2   Download

  • This technical report presents an efficient implementation of the com - monly used hash algorithm SHA - 1. The SHA - 1 algorithm is widely used in various public-key cryptography algorithms, and therefore efficient hard-ware implementation of SHA - 1 is of great importance.

    pdf14p dunglh2013 02-04-2014 25 1   Download

  • Abstract Elliptic curve cryptosystems offer security comparable to that of traditional asymmetric cryptosystems, such as those based on the RSA encryption and digital signature algorithms, with smaller keys and computationally more efficient algorithms.

    pdf327p dunglh2013 02-04-2014 16 1   Download

  • Chapter 1 introduce to Routing and Packet Forwarding. This chapter identify a router as a computer with an OS and hard ware designed for the routing process. Demonstrate the ability to configure devices and apply addresses. Describe the structure of a routing table. Describe how a router determines a path and switches packets.

    ppt41p youcanletgo_01 30-12-2015 7 1   Download

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