serial vs parallel data transmission pdf

Ngày tải lên: 16/02/2014, 08:20

... others. Such simultaneous input/output of several-bit data is referred to as parallel data input/output and the peripheral functions for parallel data input/output are called "I/O ports", ... Chapter 8 Parallel Data Input/Output Although the programs described in Chapter 6 use the memory and CPU registers only, this chapter explains how to input and output parallel data. Among ... ports", which have registers and pins as shown in Figure 8.1. Figure 8.1: Parallel Data Input/Output Parallel data input/output using I/O ports are performed through registers as shown...

Ngày tải lên: 29/09/2013, 11:20

Ngày tải lên: 29/09/2013, 20:20

... Page 11 II. ASK Transmission (on-off Keying) The circuit is build as shown in figure below. The input sine wave is multiplied by a pulse generator, which can be used as a digital data bit. Figure ... parameters Noise generator EE-458 LAB REPORT EXPERIMENT #5 DIGITAL DATA TRANSMISSION - I 1/27/2010 Page 12 Figure 5 B –II (c) block properties ... 10 dB BER for bit delay (1) = 0.0 KHz BER for bit delay (0) = 5.0 KHz 2) Changing The Data Rate Data Rate of 8KHz attenuation 0 dB BER for bit delay (1) = 0 Hz BER for bit delay (0)...

Ngày tải lên: 19/10/2013, 17:15

... LAB REPORT EXPERIMENT 6 DIGITAL DATA TRANSMISSION - II SUBMITTED BY Solve the equation above and get (f 1 -f 0 )T ... between known fixed frequencies to convey digital data. Normally, FSK modulation is achieved using just two frequencies to represent binary data. For example, a frequency of 2000 Hz may represent ... Master Clock). In this mode, a cosine begins at the start of every data period and proceeds at the frequency fx until the end of the data period. Then the process repeats. Figure 6c The FSk...

Ngày tải lên: 23/10/2013, 15:15

... reserved. // set up the serial port myPort.setSerialPortParams(BAUD, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); break; case CommPortIdentifier.PORT _PARALLEL: thePort = ... timeout. tty = (SerialPort) port.openPort("Penman Driver", 1000); // set up the serial port tty.setSerialPortParams(9600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); tty.setFlowcontrolMode(SerialPort.FLOWCTRL_RTSCTS_OUT| SerialPort.FLOWCTRL_RTSCTS_OUT); // ... JLabel(" ;Serial Ports", JLabel.RIGHT)); serialPortsChoice = new JComboBox(); centerPanel.add(serialPortsChoice); serialPortsChoice.setEnabled(false); centerPanel.add(new JLabel("Parallel...

Ngày tải lên: 27/10/2013, 14:15

... value-added data services requires innovative offerings, a competitive price, and superior reliability and availability. Extending native Ethernet across the LAN, WAN, and MAN opens the door for new data...

Ngày tải lên: 10/12/2013, 03:15

... always been to make the best use of data center floor space. Yet today the balance is shifting. New servers are consuming more energy than ever before, causing data center and facilities managers ... cooling equipment. Page 4 Airflow Management in the Data Center There are many simple solutions to improve overall airflow ef- ficiency in the data center that can be implemented immedi- ately, ...  dim the lights when no one is in the data center; lights use electricity and generate added heat, which requires added cooling. • Reduceoverall data centerlightingrequirementsbyusing ...

Ngày tải lên: 10/12/2013, 19:15

... RANGE of modules provides a 24 pair high-density, high performance, cost competitive Category 6 data grade module, (the 25 th pair is not used) and a high-density cost competitive 25 pair Category ... conductor diameter): 35N Number of patching cycles, Modules: Up to 750 Patch plugs: Up to 200 Transmission & reliability: CAT 6 module: Meet & exceed Category 6 std. (ISO 11801 &...

Ngày tải lên: 11/12/2013, 13:15

... and click the Load Data button. The XML data is retrieved, converted, and loaded into the DataSet component. The binding between the DataSet and the DataGrid copies the data into the Grid for ... the DataGrid component’s dataProvider property and the DataSet component’s dataProvider property. Set the direction to In. 25. Add another binding between the DataGrid component’s selectedIndex ... Data Type parameter for the Date schema field and change it to Date. This tells the DataBinding component to try to work with this value as a date. For more information on data binding and data...

Ngày tải lên: 14/12/2013, 14:15

... Understanding Data Sources and Data Formats A data source is a place from which Flash can load external data (that is, data not directly programmed into the movie). For example, Flash can load data ... a data source. Data transfer is the act of retrieving data from a source or sending data from Flash to another application. In this section, you'll learn about the different types of data ... in URL string format; data contained in objects, arrays, or any other data type is not supported by a string of text. • XML. This popular formatting standard allows data to be stored in a...

Ngày tải lên: 14/12/2013, 22:15

Ngày tải lên: 20/12/2013, 17:15

... Schema Data Types The following diagram shows the type hierarchy defined in the World Wide Web Consortium (W3C) specification Extensible Markup Language (XML) Schema Part 2: Datatypes. These data ... These data types are used in XML schemas. This specification defines built-in primitive data types, derived data types, and facets. ...

Ngày tải lên: 21/12/2013, 05:17

... receiving data transfer service from the data bus. SYNCHRONOUS TRANSMISSION: Transmission in which data bits are sent at a fixed rate, with the transmitter and receiver synchronized. Synchronized transmission ... and terminate a data- transmission connection; e.g., a modem. DTE (Data Terminal Equipment): Devices acting as data source, data sink, or both. DYNAMIC BUS CONTROL: The operation of a data bus system ... bus controller or as a bus monitor. SERIAL TRANSMISSION: The most common transmission mode; in serial, information bits are sent sequentially on a single data channel. STUBBING: Stubbing is the...

Ngày tải lên: 22/12/2013, 10:15

... Quản lý Data Center Hệ thống Data Center I. Giới thiệu hệ thống Data Center - Nơi tích hợp tất cả các công nghệ hàng đầu về mạng, hệ thống và phần mềm ứng dụng được sử dụng trong hệ hống Data ... lý của hệ thống Data Center. III. Yêu cầu phần cứng và phần mềm của hệ thống Data Center 1. Network Chúng tôi giới thiệu sử dụng công nghệ mạng của Cisco System cho hệ thống Data Center - Được ... thống có đủ sức mạnh xử lý và hệ thống Data Center ra đời để đáp ứng các nhu cầu cần thiết. - Kinh tế cũng là vấn đề được đặt ra khi triển khai hệ thống Data Center với chi phí rất lớn nhưng lại...

Ngày tải lên: 22/12/2013, 12:16

... troubleshooting. By implementing a centralized patching infrastructure for data centers, the service provider is able to manage each data center at a lower cost while maintaining a high level of service ... the CO. CASE STUDY Data Centers Lowering the Cost of Ownership CHALLENGE A wireless service provider sought to minimize both capital and operating expenses by redesigning its data centers. Major ... data centers. Major network elements chosen for the data centers included Cisco 7500 routers, Cisco Catalyst 6509 Ethernet switches and other data servers—each with unique connection requirements....

Ngày tải lên: 16/01/2014, 21:20

Ngày tải lên: 17/01/2014, 09:20

Ngày tải lên: 17/01/2014, 09:20

Ngày tải lên: 17/01/2014, 11:20