Câu 1: Trong giao tiếp UART, một khung (frame) dữ liệu chuẩn bao gồm những phần chính nào?

Chương 3

Quiz
•
Other
•
1st - 5th Grade
•
Easy
Chung Quan
Used 1+ times
FREE Resource
22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A. Bit start, bit address, bits data, bit parity
B. Bit start, bits data, bit parity, bit stop
C. Bit stop, bits data, bit parity, bit clock
D. Bits data, bit stop, bit idle
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Trong giao tiếp không đồng bộ RS232, tín hiệu nào được sử dụng để thông báo cho thiết bị biết rằng có dữ liệu đang được truyền đến?
A. DSR (Data set Ready)
B. CD (Carrier Detect)
C. Bit start
D. RTS (Request to Send)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 3: Giao tiếp nối tiếp đồng bộ yêu cầu thêm tín hiệu nào?
A. Clock (xung đồng bộ)
B. Bit parity
C. Bit start
D. Bit stop
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Lệnh nào được sử dụng để khởi động UART trên Arduino?
A. Serial(9600)
B. UARTBegin(9600)
C. Serial.begin(9600)
D. UART.start(9600)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Tốc độ baudrate 9600 có nghĩa là gì?
A. 9600 bit/giây
B. 1 bit trong 9600 giây
C. 1 byte trong 9600 giây
D. 9600 byte/giây
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 6: ESP8266 hỗ trợ bao nhiêu kênh UART phần cứng?
A. 3
B. 4
C. 2
D. 1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 7: Arduino có bao nhiêu kênh UART phần cứng trên dòng Mega 2560?
A. 2
B. 4
C. 1
D. 6
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