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Computer Science Engineering (CSE) Exam  >  Computer Science Engineering (CSE) Tests  >  Test: RS232: Embedded Systems I/O - Computer Science Engineering (CSE) MCQ

Test: RS232: Embedded Systems I/O - Computer Science Engineering (CSE) MCQ


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10 Questions MCQ Test - Test: RS232: Embedded Systems I/O

Test: RS232: Embedded Systems I/O for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Test: RS232: Embedded Systems I/O questions and answers have been prepared according to the Computer Science Engineering (CSE) exam syllabus.The Test: RS232: Embedded Systems I/O MCQs are made for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: RS232: Embedded Systems I/O below.
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Test: RS232: Embedded Systems I/O - Question 1
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 Which of the following can be used for long distance communication?

Detailed Solution for Test: RS232: Embedded Systems I/O - Question 1

Explanation: A slightly different serial port called RS232 is used for long distance communication, otherwise the clock may get skewed. The low voltage signal also affect the long distance communication.

Test: RS232: Embedded Systems I/O - Question 2
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 Which of the following can affect the long distance communication?

Detailed Solution for Test: RS232: Embedded Systems I/O - Question 2

Explanation: For small distance communication, the clock signal which allows a synchronous transmission of data is more than enough, and the low voltage signal of TTL or CMOS is sufficient for the operation. But for long distance communication, the clock signal may get skewed and the low voltage can be affected by the cable capacitance. So for long distance communication RS232 can be used.

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Test: RS232: Embedded Systems I/O - Question 3
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 Which are the serial ports of the IBM PC?

Detailed Solution for Test: RS232: Embedded Systems I/O - Question 3

Explanation: The IBM PC has one or two serial ports called the COM1 and the COM2, which are used for the data transmission between the PC and many other peripheral units like printer, modem etc.

Test: RS232: Embedded Systems I/O - Question 4
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Which of the following can provide hardware handshaking?
Detailed Solution for Test: RS232: Embedded Systems I/O - Question 4

Explanation: In RS232, several lines are used for transmitting and receiving data and these also provide a control for the hardware handshaking.

Test: RS232: Embedded Systems I/O - Question 5
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hich of the following have an asynchronous data transmission?
Detailed Solution for Test: RS232: Embedded Systems I/O - Question 5

Explanation: The data is transmitted asynchronously in RS232 which enhance long distance communication, whereas SPI, I2C offers short distance communication, and therefore, they are using synchronous data transmission.

Test: RS232: Embedded Systems I/O - Question 6
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 How many areas does the serial interface have?
Detailed Solution for Test: RS232: Embedded Systems I/O - Question 6

Explanation: The serial interface is divided into two, physical interface and the electrical interface.

Test: RS232: Embedded Systems I/O - Question 7
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 The RS232 is also known as
Detailed Solution for Test: RS232: Embedded Systems I/O - Question 7

Explanation: The RS232 is also known as the physical interface and it is also known as EIA232.

Test: RS232: Embedded Systems I/O - Question 8
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 How much voltage does the MC1489 can take ?
Detailed Solution for Test: RS232: Embedded Systems I/O - Question 8

Explanation: The MC1489 is a interface chip which can take a 5V and generate internally the other voltages which are needed to meet the interface specification.

Test: RS232: Embedded Systems I/O - Question 9
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Which of the following is not a serial protocol?
Detailed Solution for Test: RS232: Embedded Systems I/O - Question 9

Explanation: The RS232 is a physical interface. It does not follow the serial protocol.

Test: RS232: Embedded Systems I/O - Question 10
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Which of the following is an ideal interface for LCD controllers?
Detailed Solution for Test: RS232: Embedded Systems I/O - Question 10

Explanation: M-Bus or Motorola Bus is an ideal interface for LCD controllers, A/D converters, EEPROMs and many other components which can benefit faster transmission.

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