Embedded Systems Questions and Answers | Online Quiz for Practice

46. Which is the most commonly used UART?

1. 8253
2. 8254
3. 8259
4. 8250

47. Which of the architecture is more complex?

1. SPARC
2. MC68030
3. MC68030
4. 8086

48. Which of the following allows a lower priority task to run despite the higher priority task is active and waiting to preempt?

1. message queue
2. message passing
3. semaphore
4. priority inversion

49. Which of the following allows the reuse of the software and the hardware components?

1. platform based design
2. memory design
3. peripheral design
4. input design

50. Which of the following are interfaced as inputs to the parallel ports?

1. LEDs
2. switch
3. alphanumeric display
4. seven segmented display

51. Which of the following are interfaced as the outputs to the parallel ports?

1. keyboards
2. switches
3. LEDs
4. knobs

52. Which of the following are the pin efficient method of communicating between other devices?

1. serial port
2. parallel port
3. peripheral port
4. memory port

53. Which of the following are used to test the software?

1. data entity
2. data entry
3. data table
4. data book

54. Which of the following can affect the long distance communication?

1. clock
2. resistor
3. inductor
4. capacitor

55. Which of the following can be described as general-purpose?

1. multifunction I/O port
2. input port
3. DMA port
4. output port

56. Which of the following can be used as a chip select?

1. multifunction I/O port
2. parallel port
3. DMA port
4. memory port

57. Which of the following can be used for long distance communication?

1. I2C
2. Parallel port
3. SPI
4. RS232

58. Which of the following can be used to refer to entities within the RTOS?

1. threads
2. kernels
3. system
4. applications

59. Which of the following can destroy the accuracy in the algorithms?

1. delays
2. error signal
3. interrupt
4. mmu

60. Which of the following can own and control the resources ?

1. thread
2. task
3. system
4. peripheral