Embedded Systems MCQ Quiz - Multiple Choice Questions & Answers Page 5

41. Which interrupt provides system clock in the context switching?

1. software interrupt
2. hardware interrupt
3. peripheral
4. memory

42. Which is the coprocessor of 8086?

1. 8087
2. 8088
3. 8086
4. 8080

43. Which is the early form of non-volatile memory?

1. magnetic core memory
2. ferrimagnetic memory
3. anti-magnetic memory
4. anti-ferromagnetic

44. Which is the first company who defined RISC architecture?

1. Intel
2. IBM
3. Motorola
4. MIPS

45. Which is the most basic non-volatile memory?

1. Flash memory
2. PROM
3. EPROM
4. ROM

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