Internet of Things interview questions part 30
Internet of Things interview questions part 30
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Total Questions: 20
1. Name the architecture and the instruction set for microcontroller?
Correct Answer is : Harvard Architecture with CISC Instruction Set
2. Number of I/O ports in the 8051 microcontroller?
Correct Answer is : 4 ports
3. Is ROM is used for storing data storage?
Correct Answer is : FALSE
4. SCON in serial port is used for which operation?
Correct Answer is : Controlling
5. Program counter stores what?
Correct Answer is : Address of the next instruction
6. Auxiliary carry is set during which condition?
Correct Answer is : When carry is generated from D3 to D4
7. What is order of the assembly and running 8051 program? i) Myfile.asm ii) Myfile.lst iii) Myfile.obj iv) Myfile.hex
Correct Answer is : i,ii,iii,iv
8. The use of Address Latch Enable is to multiplex address and data memory.
Correct Answer is : TRUE
9. Which pin provides a reset option in 8051?
Correct Answer is : Pin 9
10. External Access is used to permit ____________
Correct Answer is : Memory interfacing
11. What is the address range of SFRs?
Correct Answer is : 80h to ffh
12. How many interrupts are there in micro controller?
Correct Answer is : 5
13. Timer 0 is a ________ bit register.
Correct Answer is : 16-bit
14. What are the pipelining stages include?
Correct Answer is : Fetch, Decode, Write
15. What is pipe lining?
Correct Answer is : Linear
16. What are the no of pins that are in the ARM7 processors?
Correct Answer is : 65 pin with DIP
17. Using what the processor wake-up from power-down?
Correct Answer is : External Interrupts
18. What is the flash memory for LPC2141?
Correct Answer is : 32kB
19. What are the categories in the vectored interrupt controller?
Correct Answer is : Fast interrupt request, Non vectored interrupt request and Non-vectored IQR
20. Each peripheral has an interrupt line?
Correct Answer is : TRUE
