2-Mavzu. Kompyuterlarni tashkil qilishning raqamli mantiqiy asoslari

Combined devices in the middle information transmission method depending on ( parallel or series ), parallel and in series interfaces arrange instead is increased .

2. External devices interfaces .

Printerlar, modemlar va boshqa periferik qurilmalar kompyuterga standartlashtirilgan interfeyslar orqali ulanadi, ba’zan ularni portlar deb atashadi.

Printerlar, modemlar va boshqa periferik qurilmalar kompyuterga standartlashtirilgan interfeyslar orqali ulanadi, ba’zan ularni portlar deb atashadi.

Birlashtirilgan qurilmalar o’rtasida ma’lumotlarni uzatish uslubiga qarab (parallel yoki ketma-ket), parallel va ketma-ket interfeyslarni ajratish amalga oshiriladi.

2. Tashqi qurilmalar interfeyslari.

In the RS-232-C standard in series port .

In the RS-232-C standard in series port .

Usually har how computer system on the board located or removable card as formed reported at least one in series adapter with equipped with .

RS-232-C interface Developed by the EAI ( Electronics Manufacturers Association), it is often the standard for connecting computers with a variety of external serial devices, of which the printer is an outgoing counter.

OT yes har a RS-232-C to the port COM1: - COM4: logical names are given .

RS-232-C standartidagi ketma-ket port.

RS-232-C standartidagi ketma-ket port.

Odatda har qanday kompyuter tizim platasida joylashgan yoki olinadigan karta sifatida tashkil etilgan kamida bitta ketma-ket adapter bilan jihozlangan.

RS-232-C interfeysi EAI (Elektronika ishlab chiqaruvchi assotsiatsiyasi) tomonidan ishlab chiqilgan bo’lib, ko’pincha chop qiluvchi chiqib turgan hisoblanuvchi bo’lgan turli xil tashqi ketma-ket qurilmalar bilan EHMlarni ulash uchun standart hisoblanadi.

OT da har bir RS-232-C portiga COM1: - COM4: mantiqiy nomlari berilgan.

Basic of the board external sockets ( connectors ): PS / 2 (1 - mouse , 2 - keyboard ), 100BASE-T 8P8C (3), USB (4), RS-232 DE-9 (5), IEEE 1284 (LPT) DB- 25 (6), VGA videoport (7), game port (8)) and TRS- mini ( small ) audio recorders (9)
Asosiy plataning tashqi raz’yomlari (ulagichlari): PS/2 (1 — sichqoncha, 2 — klaviatura), 100BASE-T 8P8C (3), USB (4), RS-232 DE-9 (5), IEEE 1284 (LPT) DB-25 (6), VGA videoport (7), o’yin porti (8)) va TRS-mini (kichik) aydioraz’yomlari (9)
DE-9 connector , mostly RS-232 protocol on transmission for used .
DE-9 raz’yomi, ko’pincha RS-232 bayyonnomasi bo’yicha uzatish uchun foydalaniladi.