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This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Embedded Systems knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which of the following method is used by Apple Macintosh? |
A. | hardware handshaking |
B. | software handshaking |
C. | no handshaking |
D. | null modem cable |
Answer» C. no handshaking | |
2. |
WHICH_OF_THE_FOLLOWING_METHOD_IS_USED_BY_APPLE_MACINTOSH??$ |
A. | hardware handshaking |
B. | software handshaking |
C. | no handshaking |
D. | null modem cable |
Answer» C. no handshaking | |
3. |
Which of the following are used to link PCs? |
A. | modem cable |
B. | null modem cable |
C. | serial port |
D. | parallel port |
Answer» C. serial port | |
4. |
Which of the following connections are one to one? |
A. | Modem cables |
B. | SPI |
C. | UART |
D. | I2C |
Answer» B. SPI | |
5. |
Which pin indicates the DSR in DB-25? |
A. | 1 |
B. | 2 |
C. | 4 |
D. | 6 |
Answer» E. | |
6. |
What does pin 22 in DB-25 indicate? |
A. | transmit data |
B. | receive data |
C. | ring indicator |
D. | signal ground |
Answer» D. signal ground | |
7. |
Which of the following is a common connector? |
A. | UART |
B. | SPI |
C. | I2C |
D. | DB-25 |
Answer» E. | |
8. |
Which can restart the data transmission? |
A. | XON |
B. | XOFF |
C. | XRST |
D. | restart button |
Answer» B. XOFF | |
9. |
Which one of the following is the second method for flow controlling? |
A. | hardware |
B. | peripheral |
C. | software |
D. | memory |
Answer» D. memory | |
10. |
Which of the following is the first flow control method? |
A. | software handshaking |
B. | hardware handshaking |
C. | UART |
D. | SPI |
Answer» C. UART | |
11. |
Which can prevent the terminal of data transmission? |
A. | flow control |
B. | increasing flow |
C. | increasing count |
D. | terminal count |
Answer» B. increasing flow | |