Question: Question 1 |Soalan 1] (C4, CO2, PO2) The primary difference between Serial and Parallel communication is that; in Serial Transmission data is sent bit by
Question 1 |Soalan 1] (C4, CO2, PO2) The primary difference between Serial and Parallel communication is that; in Serial Transmission data is sent bit by bit whereas, in Parallel Transmission a byte (8 bits) or a character is sent. Both are used to connect and communicate with peripheral devices. Parallel connection has multiple wires running parallel to each other, and can transmit data on all the wires simultaneously. Serial, on the other hand, uses a single wire to transfer the data bits one at a time. Serial communication reduces cost and complexity of the system. 8085 microprocessor has 2 lines specially designed for serial transmit and receive which are SOD (Serial Input Data) and SOD (Serial Output Data). Answer the following related questions. (Perbezaan utama antara komunikasi Siri dan Selari ialah; dalam penghantaran data Serial dihantar sedikit demi sedikit, dalam Transmisi Selanjar satu bait (8 bit) atau satu aksara dihantar. Kedua-duanya digunakan untuk menyambung dan berkomunikasi dengan peranti. Sambungan selari mempuryai pelbagai wayar yang selari dengan satu sama lain, dan boleh menghantar data pada semua wayar serentak Serial, sebaliknya, menggunakan wayar tunggal untuk memindahkan bit data satu demi satu. Komunikasi bersiri mengurangkan kos dan kerumitan sistem. 8085 mikropemproses mempunyai 2 baris direka khas untuk menghantar dan menerima secara bersiri iaitu SOD (Serial Input Data) dan SOD (Serial Output Data). Jawab soalan yang berikut.] (a) Baud rate and character bit-size (6-bits,7-bits or 8 bits) are 2 important parameters in asynchronous serial communication. Describe the other parameters in asynchronous serial communication besides these two parameters. [Kadar baud dan saiz bit aksara (6-bit, 7-bit atau 8 bit) adalah 2 parameter penting dalam komunikasi siri tak segerak Huraikan parameter lain dalam komunikasi isiri tak segerak selain kedua parameter ini.] (4 Marks/Markah) (b) An 8085 microprocessor system runs with a crystal oscillator of 4 MHz. It has a serial communication system using SOD/SID at a baud rate 9600 bit per second. Calculate the following: (Sistem mikropemproses 8085 berjalan dengan pengayun kristal 4 MHz. Ia mempuryai sistem komunikasi siri menggunakan SOD / SID pada kadar baud 9600 bit sesaat. Kirakan yang berikut:] (1) The delay time between 1 bit to the next bit for the serial transmission. [Masa kelengahan antara 1 bit ke bit seterusnya untuk penghantaran siri.] (ii) Approximate number of T-state required for generating the delay. [Anggaran bilangan T-state yang diperlukan untuk menjana kelengahan tersebut. ] (iii) Write a delay sub-routine in assembly language to generate this delay. (Tulis sub-rutin tunda dalam bahasa himpunan untuk menjana kelengahan ini.]
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