 
			 
			MCQOPTIONS
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				This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.
| 1. | THE_REGISTER_THAT_PROVIDES_CONTROL_AND_STATUS_INFORMATION_ABOUT_SERIAL_PORT_IS?$ | 
| A. | IP | 
| B. | IE | 
| C. | TSCON | 
| D. | PCON and SCON | 
| Answer» E. | |
| 2. | The registers that are not accessible by the user are$ | 
| A. | Accumulator and B register | 
| B. | IP and IE | 
| C. | Instruction registers | 
| D. | TMP1 and TMP2 | 
| Answer» E. | |
| 3. | The_device_that_generates_the_basic_timing_clock_signal_for_the_operation_of_the_circuit_using_crystal_oscillator_is$ | 
| A. | timing unit | 
| B. | timing and control unit | 
| C. | oscillator | 
| D. | clock generator | 
| Answer» D. clock generator | |
| 4. | The register that provides control and status information about counters i? | 
| A. | IP | 
| B. | TMOD | 
| C. | TSCON | 
| D. | PCON | 
| Answer» C. TSCON | |
| 5. | The receive buffer of serial data buffer is a | 
| A. | serial-in parallel-out register | 
| B. | parallel-in serial-out register | 
| C. | serial-in serial-out register | 
| D. | parallel-in parallel-out register | 
| Answer» B. parallel-in serial-out register | |
| 6. | The transmit buffer of serial data buffer is a | 
| A. | serial-in parallel-out register | 
| B. | parallel-in serial-out register | 
| C. | serial-in serial-out register | 
| D. | parallel-in parallel-out register | 
| Answer» C. serial-in serial-out register | |
| 7. | The architecture of 8051 consists of | 
| A. | 4 latches | 
| B. | 2 timer registers | 
| C. | 4 on-chip I/O ports | 
| D. | all of the mentioned | 
| Answer» E. | |
| 8. | Which of the processor’s stack does not contain the top-down data structure?$ | 
| A. | 8086 | 
| B. | 80286 | 
| C. | 8051 | 
| D. | 80386 | 
| Answer» D. 80386 | |
| 9. | The registers that contain the status information is | 
| A. | control registers | 
| B. | instruction registers | 
| C. | program status word | 
| D. | all of the mentioned | 
| Answer» D. all of the mentioned | |
| 10. | The register that can be used as a scratch pad is | 
| A. | Accumulator | 
| B. | B register | 
| C. | Data register | 
| D. | Accumulator and B register | 
| Answer» C. Data register | |
| 11. | The register that may be used as an operand register is | 
| A. | Accumulator | 
| B. | B register | 
| C. | Data register | 
| D. | Accumulator and B register | 
| Answer» E. | |