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- Question
The ADC 0804 is an analog-to-digital converter that provides 8-bit output resolution that can be directly interfaced to a microcontroller.
Options- A. True
- B. False
- Correct Answer
- True
- 1. A Celsius thermometer is an application for the 8051 microcontroller.
Options- A. True
- B. False Discuss
- 2. Analog output current must be converted into a usable voltage. To perform this current-to-voltage conversion a 700 op amp may be used.
Options- A. True
- B. False Discuss
- 3. Writing counter/loop programs is much more difficult with the introduction of the DJNA and the CJNE instructions.
Options- A. True
- B. False Discuss
- 4. In an 8051 program DA A adjusts the value in the accumulator resulting from an addition into two BCDs.
Options- A. True
- B. False Discuss
- 5. Up to 65K of code memory and 65K of data memory can be added to any of the 8051 family members.
Options- A. True
- B. False Discuss
- 6. A microcontroller is called a computer on a chip.
Options- A. True
- B. False Discuss
- 7. A positive binary number is represented by a 1 sign bit.
Options- A. True
- B. False Discuss
- 8. Digital systems operate only on discrete digits that represent numbers, letters, or symbols.
Options- A. True
- B. False Discuss
- 9. Manufacturers of computers utilize 3-bit codes to indicate operations or instructions.
Options- A. True
- B. False Discuss
- 10. A parity bit is used to detect an error in data transmission caused by noise.
Options- A. True
- B. False Discuss
The 8051 Microcontroller problems
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